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CCAMP Working Group J. Lopez de Vergara
Internet-Draft Universidad Autonoma de Madrid
Intended status: Informational D. Perdices Burrero
Expires: March 26, 2021 Naudit
D. King
Old Dog Consulting
Y. Lee
Samsung
H. Zheng
Huawei Technologies
September 22, 2020
A YANG Data Model for Flexi-Grid Optical Networks
draft-ietf-ccamp-flexigrid-yang-07
Abstract
This document defines a YANG module for managing flexi-grid optical
networks. The model defined in this document specifies a flexi-grid
traffic engineering database that is used to describe the topology of
a flexi-grid network. It is based on and augments existing YANG
models that describe network and traffic engineering topologies.
A partner document defines a second YANG module for flexi-grid media
channels, i.e., the paths from source to destination through a number
of intermediate nodes.
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
This Internet-Draft will expire on March 26, 2021.
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Copyright Notice
Copyright (c) 2020 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Conventions . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3
4. Tree Diagram . . . . . . . . . . . . . . . . . . . . . . . . 4
4.1. Prefixes in Data Node Names . . . . . . . . . . . . . . . 4
5. Main Components of the Flexi-grid Topology . . . . . . . . . 5
6. Example of Use . . . . . . . . . . . . . . . . . . . . . . . 11
7. YANG Model (Tree Structure) for Flexi-grid topology . . . . . 13
8. The YANG Code for Flexi-grid topology . . . . . . . . . . . . 30
9. Security Considerations . . . . . . . . . . . . . . . . . . . 64
10. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 65
11. Contributors . . . . . . . . . . . . . . . . . . . . . . . . 65
12. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 66
13. References . . . . . . . . . . . . . . . . . . . . . . . . . 67
13.1. Normative References . . . . . . . . . . . . . . . . . . 67
13.2. Informative References . . . . . . . . . . . . . . . . . 68
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 69
1. Introduction
The flexible grid (flexi-grid) optical network technology defined by
the International Telecommunication Union Telecommunication
Standardization Sector (ITU-T) and documented in Recommendation
G.694.1 [G.694.1] and G.872 [G.872] provides an enhanced Dense
Wavelength Division Multiplexing (DWDM) grid by defining a set of
nominal central frequencies, channel spacings, and the concept of the
"frequency slot". In such an environment, a data-plane connection is
switched based on allocated, variable-sized frequency ranges within
the optical spectrum, creating what is known as a flexible grid
(flexi-grid). This technology increases both transport network
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scalability and flexibility, allowing the optimization of bandwidth
usage.
[RFC7698] provides a framework GMPLS-Based control of flexi-grid DWDM
networks while [RFC7699] defines generalized labels for the use in
flexi-grid in GMPLS networks.
This document presents a YANG [RFC7950] model for flexi-grid objects
in the dynamic optical network, including the nodes, transponders and
links between them, as well as how such links interconnect nodes and
transponders.
The YANG model for flexi-grid networks allows the representation of
the flexi-grid optical layer of a network, combined with the
underlying physical layer.
This document identifies the flexi-grid components, parameters and
their values, characterizes the features and the performances of the
flexi-grid elements. An application example is provided towards the
end of the document to better understand their utility.
A partner document defines a second YANG module that described flexi-
grid tunnels, i.e., the paths from source to destination through a
number of intermediate nodes
[I-D.ietf-ccamp-flexigrid-media-channel-yang].
2. Conventions
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
"OPTIONAL" in this document are to be interpreted as described in BCP
14 [RFC2119] [RFC8174] when, and only when, they appear in all
capitals, as shown here.
3. Terminology
Refer to [RFC7446] and [RFC7581] for the key terms used in this
document.
The following terms are defined in [RFC7950] and are not redefined
here:
o client
o server
o augment
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o data model
o data node
The following terms are defined in [RFC6241] and are not redefined
here:
o configuration data
o state data
The terminology for describing YANG data models is found in
[RFC7950].
4. Tree Diagram
A simplified graphical representation of the data model is used in
this document. The meaning of the symbols in these diagrams is
defined in [RFC8340].
4.1. Prefixes in Data Node Names
In this document, names of data nodes and other data model objects
are prefixed using the standard prefix associated with the
corresponding YANG imported modules, as shown in Figure 1. It uses
prefixes from [I-D.ietf-ccamp-layer0-types], [RFC8345], and
[RFC8795].
+-------------+-------------------------+-----------------+
| Prefix | YANG module | Reference |
+-------------+-------------------------+-----------------+
| l0-types | ietf-layer0-types | [RFCXXXX] |
| flexi-grid | ietf-flexi-grid-topology| [RFCYYYY] |
| nw | ietf-network | [RFC8345] |
| nt | ietf-network-topology | [RFC8345] |
| tet | ietf-te-topology | [RFC8795] |
+-------------+-------------------------+-----------------+
Figure 1: Prefixes and Corresponding YANG modules
RFC Editor Note: Please replace XXXX with the RFC numbers assigned to
draft-ietf-ccamp-layer0-types. Please replace YYYY with the RFC
number assigned to this document. Please remove this note.
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5. Main Components of the Flexi-grid Topology
This section describes the YANG module. It is specified in
Section 8.
The description of the three main components, flexi-grid-node, flexi-
grid-transponder and flexi-grid-link is provided below. flexi-grid-
sliceable-transponders are also defined.
The syntax specification below uses the augmented Backus-Naur Form
(BNF) as described in [RFC5234].
<flexi-grid-node> ::= <config> <state>
<flexi-grid-node>: This element designates a node in the
network.
<config> ::= <flexi-grid-node-attributes-config>
<config>: Contains the configuration of a node.
<flexi-grid-node-attributes-config> ::= <list-interface>
<connectivity_matrix>
<flexi-grid-node-attributes-config>: Contains all the
attributes related to the node configuration, such as its
interfaces or its management addresses.
<list-interface> ::= <name> <port-number>
<input-port> <output-port> <description>
<interface-type>
[<numbered-interface> / <unnumbered-interface>]
<list-interface>: The list containing all the information of
the interfaces.
<name>: Determines the interface name.
<port-number>: Port number of the interface.
<input-port>: Boolean value that defines whether the interface
is input or not.
<output-port>: Boolean value that defines whether the interface
is output or not.
<description>: Description of the usage of the interface.
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<interface-type>: Determines if the interface is numbered or
unnumbered.
<numbered-interface> ::= <n-i-ip-address>
<numbered-interface>: An interface with its own IP address.
<n-i-ip-address>: Only available if <interface-type> is
"numbered-interface". Determines the IP address of the
interface.
<unnumbered-interface> ::= <u-i-ip-address> <label>
<unnumbered-interface>: An interface that needs a label to be
unique.
<u-i-ip-address>: Only available if <interface-type> is
"numbered-interface". Determines the node IP address,
which with the label defines the interface.
<label>: Label that determines the interface, joint with the
node IP address.
<connectivity-matrix> ::= <connections>
<connectivity-matrix>: Determines whether a connection port
in/port out exists.
<connections> ::= <input-port-id> <output-port-id>
<flexi-grid-transponder> ::= <transponder-type> <config> <state>
<flexi-grid-transponder>: This item designates a transponder
of a node.
<config> ::= <flexi-grid-transponder-attributes-config>
<config>: Contains the configuration of a transponder.
<flexi-grid-transponder-attributes-config> ::=
<available-operational-mode> <operational-mode>
<flexi-grid-transponder-attributes>: Contains all the
attributes related to the transponder.
<available-operational-mode>: It provides a list of the
operational modes available at this transponder.
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<operational-mode>: Determines the type of operational
mode in use.
<state> ::= <flexi-grid-transponder-attributes-config>
<flexi-grid-transponder-attributes-state>
<state>: Contains the state of a transponder.
<flexi-grid-transponder-attributes-config>: See above.
<flexi-grid-transponder-attributes-state>: Contains the
state of a transponder.
<flexi-grid-link> ::= <config> <state>
<flexi-grid-link>: This element describes all the
information of a link.
<config> ::= <flexi-grid-link-attributes-config>
<config>: Contains the configuration of a link.
<flexi-grid-link-attributes-config> ::= <technology-type>
<available-label-flexi-grid> <N-max> <base-frequency>
<nominal-central-frequency-granularity>
<slot-width-granularity>
<flexi-grid-link-attributes>: Contains all the attributes
related to the link, such as its unique id, its N value,
its latency, etc.
<link-id>: Unique id of the link.
<available-label-flexi-grid>: Array of bits that determines,
with each bit, the availability of each interface for
flexi-grid technology.
<N-max>: The max value of N in this link, being N the number
of slots.
<base-frequency>: The default central frequency used in the
link.
<nominal-central-frequency-granularity>: It is the spacing
between allowed nominal central frequencies and it is set
to 6.25 GHz (note: sometimes referred to as 0.00625 THz).
<slot-width-granularity>: 12.5 GHz, as defined in G.694.1.
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<state> ::= <flexi-grid-link-attributes-config>
<flexi-grid-link-attributes-state>
<state>: Contains the state of a link.
<flexi-grid-link-attributes-config>: See above.
<flexi-grid-link-attributes-state>: Contains all the
information related to the state of a link.
<flexi-grid-transponder> ::= <transponder-type> <config> <state>
<flexi-grid-transponder>: This item designates a transponder
of a node.
<config> ::= <flexi-grid-transponder-attributes-config>
<config>: Contains the configuration of a transponder.
<flexi-grid-transponder-attributes-config> ::=
<available-operational-mode> <operational-mode>
<flexi-grid-transponder-attributes>: Contains all the
attributes related to the transponder.
<available-operational-mode>: It provides a list of the
operational modes available at this transponder.
<operational-mode>: Determines the type of operational
mode in use.
<state> ::= <flexi-grid-transponder-attributes-config>
<flexi-grid-transponder-attributes-state>
<state>: Contains the state of a transponder.
<flexi-grid-transponder-attributes-config>: See above.
<flexi-grid-transponder-attributes-state>: Contains the
state of a transponder.
<flexi-grid-link> ::= <config> <state>
<flexi-grid-link>: This element describes all the information
of a link.
<config> ::= <flexi-grid-link-attributes-config>
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<config>: Contains the configuration of a link.
<flexi-grid-link-attributes-config> ::= <technology-type>
<available-label-flexi-grid> <N-max> <base-frequency>
<nominal-central-frequency-granularity>
<slot-width-granularity>
<flexi-grid-link-attributes>: Contains all the attributes
related to the link, such as its unique id, its N value,
its latency, etc.
<link-id>: Unique id of the link.
<available-label-flexi-grid>: Array of bits that determines,
with each bit, the availability of each interface for
flexi-grid technology.
<N-max>: The max value of N in this link, being N the number
of slots.
<base-frequency>: The default central frequency used in the
link.
<nominal-central-frequency-granularity>: It is the spacing
between allowed nominal central frequencies and it is set
to 6.25 GHz (note: sometimes referred to as 0.00625 THz).
<slot-width-granularity>: 12.5 GHz, as defined in G.694.1.
<state> ::= <flexi-grid-link-attributes-config>
<flexi-grid-link-attributes-state>
<state>: Contains the state of a link.
<flexi-grid-link-attributes-config>: See above.
<flexi-grid-link-attributes-state>: Contains all the
information related to the state of a link.
<flexi-grid-transponder> ::= <transponder-type> <config> <state>
<flexi-grid-transponder>: This item designates a transponder
of a node.
<config> ::= <flexi-grid-transponder-attributes-config>
<config>: Contains the configuration of a transponder.
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<flexi-grid-transponder-attributes-config> ::=
<available-operational-mode> <operational-mode>
<flexi-grid-transponder-attributes>: Contains all the
attributes related to the transponder.
<available-operational-mode>: It provides a list of the
operational modes available at this transponder.
<operational-mode>: Determines the type of operational mode
in use.
<state> ::= <flexi-grid-transponder-attributes-config>
<flexi-grid-transponder-attributes-state>
<state>: Contains the state of a transponder.
<flexi-grid-transponder-attributes-config>: See above.
<flexi-grid-transponder-attributes-state>: Contains the
state of a transponder.
<flexi-grid-link> ::= <config> <state>
<flexi-grid-link>: This element describes all the information
of a link.
<config> ::= <flexi-grid-link-attributes-config>
<config>: Contains the configuration of a link.
<flexi-grid-link-attributes-config> ::= <technology-type>
<available-label-flexi-grid> <N-max> <base-frequency>
<nominal-central-frequency-granularity>
<slot-width-granularity>
<flexi-grid-link-attributes>: Contains all the attributes
related to the link, such as its unique id, its N value,
its latency, etc.
<link-id>: Unique id of the link.
<available-label-flexi-grid>: Array of bits that determines,
with each bit, the availability of each interface for
flexi-grid technology.
<N-max>: The max value of N in this link, being N the number
of slots.
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<base-frequency>: The default central frequency used in the
link.
<nominal-central-frequency-granularity>: It is the spacing
between allowed nominal central frequencies and it is set
to 6.25 GHz (note: sometimes referred to as 0.00625 THz).
<slot-width-granularity>: 12.5 GHz, as defined in G.694.1.
<state> ::= <flexi-grid-link-attributes-config>
<flexi-grid-link-attributes-state>
<state>: Contains the state of a link.
<flexi-grid-link-attributes-config>: See above.
<flexi-grid-link-attributes-state>: Contains all the
information related to the state of a link.
6. Example of Use
In order to explain how this model is used, we provide the following
example. An optical network usually has multiple transponders,
switches (nodes) and links between them. Figure 1 shows a simple
topology, where two physical paths interconnect two optical
transponders.
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Media channel
<==================================================>
Path x
<-------------------------------------------------->
+----------+ +----------+
Link 1 |Flexi-grid| Link 2 |Flexi-grid| Link 3
.--->| node |<-------->| node |<---.
| | B | | C | |
| +----------+ +----------+ |
v v
/-----------\ /-----------\
/ Flexi-grid \ / Flexi-grid \
| transponder | | transponder |
\ A / \ E /
\-----------/ \-----------/
^ ^
| +----------+ |
| Link 4 |Flexi-grid| Link 5 |
'------------>| node |<-----------'
| D |
+----------+
<-------------------------------------------------->
Path y
Figure 3: Topology Example
In order to configure a media channel to interconnect transponders A
and E, first of all we have to populate the flexi-grid topology YANG
model with all elements in the network:
o We define the transponders A and E, including their FEC type, if
enabled, and modulation type. We also provide node identifiers
and addresses for the transponders, as well as interfaces included
in the transponders. Sliceable transponders can also be defined
if needed.
o We do the same for the nodes B, C and D, providing their
identifiers, addresses and interfaces, as well as the internal
connectivity matrix between interfaces.
o Then, we also define the links 1 to 5 that interconnect nodes and
transponders, indicating which flexi-grid labels are available.
o Other information, such as the slot frequency and granularity are
also provided.
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o Next, we can configure the media channel from the information we
have stored in the flexi-grid TED, by querying which elements are
available, and planning the resources that have to be provided on
each situation. Note that every element in the flexi-grid TED has
a reference, and this is the way in which they are called in the
media channel. We refer to
[I-D.ietf-ccamp-flexigrid-media-channel-yang] to complete this
example.
7. YANG Model (Tree Structure) for Flexi-grid topology
module: ietf-flexi-grid-topology
augment /nw:networks/nw:network/nw:network-types/tet:te-topology:
+--rw flexi-grid-topology!
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes:
+--rw flexi-grid-node!
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:label-restrictions/tet:label-restriction:
+--rw grid-type? identityref
+--rw priority? uint8
+--rw flexi-grid
+--rw slot-width-granularity? identityref
+--rw min-slot-width-factor? uint16
+--rw max-slot-width-factor? uint16
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:connectivity-matrix/tet:from/tet:label-restrictions
/tet:label-restriction:
+--rw grid-type? identityref
+--rw priority? uint8
+--rw flexi-grid
+--rw slot-width-granularity? identityref
+--rw min-slot-width-factor? uint16
+--rw max-slot-width-factor? uint16
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:connectivity-matrix/tet:to/tet:label-restrictions
/tet:label-restriction:
+--rw grid-type? identityref
+--rw priority? uint8
+--rw flexi-grid
+--rw slot-width-granularity? identityref
+--rw min-slot-width-factor? uint16
+--rw max-slot-width-factor? uint16
augment /nw:networks/nw:network/nw:node/tet:te
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/tet:information-source-entry/tet:connectivity-matrices
/tet:label-restrictions/tet:label-restriction:
+--ro grid-type? identityref
+--ro priority? uint8
+--ro flexi-grid
+--ro slot-width-granularity? identityref
+--ro min-slot-width-factor? uint16
+--ro max-slot-width-factor? uint16
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
/tet:connectivity-matrix/tet:from/tet:label-restrictions
/tet:label-restriction:
+--ro grid-type? identityref
+--ro priority? uint8
+--ro flexi-grid
+--ro slot-width-granularity? identityref
+--ro min-slot-width-factor? uint16
+--ro max-slot-width-factor? uint16
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
/tet:connectivity-matrix/tet:to/tet:label-restrictions
/tet:label-restriction:
+--ro grid-type? identityref
+--ro priority? uint8
+--ro flexi-grid
+--ro slot-width-granularity? identityref
+--ro min-slot-width-factor? uint16
+--ro max-slot-width-factor? uint16
augment /nw:networks/nw:network/nw:node/tet:te
/tet:tunnel-termination-point
/tet:local-link-connectivities/tet:label-restrictions
/tet:label-restriction:
+--rw grid-type? identityref
+--rw priority? uint8
+--rw flexi-grid
+--rw slot-width-granularity? identityref
+--rw min-slot-width-factor? uint16
+--rw max-slot-width-factor? uint16
augment /nw:networks/nw:network/nw:node/tet:te
/tet:tunnel-termination-point
/tet:local-link-connectivities
/tet:local-link-connectivity/tet:label-restrictions
/tet:label-restriction:
+--rw grid-type? identityref
+--rw priority? uint8
+--rw flexi-grid
+--rw slot-width-granularity? identityref
+--rw min-slot-width-factor? uint16
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+--rw max-slot-width-factor? uint16
augment /nw:networks/nw:network/nt:link/tet:te
/tet:te-link-attributes/tet:label-restrictions
/tet:label-restriction:
+--rw grid-type? identityref
+--rw priority? uint8
+--rw flexi-grid
+--rw slot-width-granularity? identityref
+--rw min-slot-width-factor? uint16
+--rw max-slot-width-factor? uint16
augment /nw:networks/nw:network/nt:link/tet:te
/tet:information-source-entry/tet:label-restrictions
/tet:label-restriction:
+--ro grid-type? identityref
+--ro priority? uint8
+--ro flexi-grid
+--ro slot-width-granularity? identityref
+--ro min-slot-width-factor? uint16
+--ro max-slot-width-factor? uint16
augment /nw:networks/tet:te/tet:templates/tet:link-template
/tet:te-link-attributes/tet:label-restrictions
/tet:label-restriction:
+--rw grid-type? identityref
+--rw priority? uint8
+--rw flexi-grid
+--rw slot-width-granularity? identityref
+--rw min-slot-width-factor? uint16
+--rw max-slot-width-factor? uint16
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:label-restrictions/tet:label-restriction
/tet:label-start/tet:te-label/tet:technology:
+--:(flexi-grid)
+--rw flexi-n? l0-types:flexi-n
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:label-restrictions/tet:label-restriction
/tet:label-end/tet:te-label/tet:technology:
+--:(flexi-grid)
+--rw flexi-n? l0-types:flexi-n
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:label-restrictions/tet:label-restriction
/tet:label-step/tet:technology:
+--:(flexi-grid)
+--rw flexi-grid-channel-spacing? identityref
+--rw flexi-n-step? uint8
augment /nw:networks/nw:network/nw:node/tet:te
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/tet:te-node-attributes/tet:connectivity-matrices
/tet:underlay/tet:primary-path/tet:path-element/tet:type
/tet:label/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
+--rw (single-or-super-channel)?
+--:(single)
| +--rw flexi-n? l0-types:flexi-n
| +--rw flexi-m? l0-types:flexi-m
+--:(super)
+--rw subcarrier-flexi-n* [flexi-n]
+--rw flexi-n l0-types:flexi-n
+--rw flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:underlay/tet:backup-path/tet:path-element/tet:type
/tet:label/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
+--rw (single-or-super-channel)?
+--:(single)
| +--rw flexi-n? l0-types:flexi-n
| +--rw flexi-m? l0-types:flexi-m
+--:(super)
+--rw subcarrier-flexi-n* [flexi-n]
+--rw flexi-n l0-types:flexi-n
+--rw flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:optimizations/tet:algorithm/tet:metric
/tet:optimization-metric
/tet:explicit-route-exclude-objects
/tet:route-object-exclude-object/tet:type/tet:label
/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
+--rw (single-or-super-channel)?
+--:(single)
| +--rw flexi-n? l0-types:flexi-n
| +--rw flexi-m? l0-types:flexi-m
+--:(super)
+--rw subcarrier-flexi-n* [flexi-n]
+--rw flexi-n l0-types:flexi-n
+--rw flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:optimizations/tet:algorithm/tet:metric
/tet:optimization-metric
/tet:explicit-route-include-objects
/tet:route-object-include-object/tet:type/tet:label
/tet:label-hop/tet:te-label/tet:technology:
Lopez de Vergara, et al. Expires March 26, 2021 [Page 16]
Internet-Draft Flexi-Grid YANG September 2020
+--:(flexi-grid)
+--rw (single-or-super-channel)?
+--:(single)
| +--rw flexi-n? l0-types:flexi-n
| +--rw flexi-m? l0-types:flexi-m
+--:(super)
+--rw subcarrier-flexi-n* [flexi-n]
+--rw flexi-n l0-types:flexi-n
+--rw flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:path-properties/tet:path-route-objects
/tet:path-route-object/tet:type/tet:label/tet:label-hop
/tet:te-label/tet:technology:
+--:(flexi-grid)
+--ro (single-or-super-channel)?
+--:(single)
| +--ro flexi-n? l0-types:flexi-n
| +--ro flexi-m? l0-types:flexi-m
+--:(super)
+--ro subcarrier-flexi-n* [flexi-n]
+--ro flexi-n l0-types:flexi-n
+--ro flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:connectivity-matrix/tet:from/tet:label-restrictions
/tet:label-restriction/tet:label-start/tet:te-label
/tet:technology:
+--:(flexi-grid)
+--rw flexi-n? l0-types:flexi-n
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:connectivity-matrix/tet:from/tet:label-restrictions
/tet:label-restriction/tet:label-end/tet:te-label
/tet:technology:
+--:(flexi-grid)
+--rw flexi-n? l0-types:flexi-n
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:connectivity-matrix/tet:from/tet:label-restrictions
/tet:label-restriction/tet:label-step/tet:technology:
+--:(flexi-grid)
+--rw flexi-grid-channel-spacing? identityref
+--rw flexi-n-step? uint8
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:connectivity-matrix/tet:to/tet:label-restrictions
/tet:label-restriction/tet:label-start/tet:te-label
Lopez de Vergara, et al. Expires March 26, 2021 [Page 17]
Internet-Draft Flexi-Grid YANG September 2020
/tet:technology:
+--:(flexi-grid)
+--rw flexi-n? l0-types:flexi-n
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:connectivity-matrix/tet:to/tet:label-restrictions
/tet:label-restriction/tet:label-end/tet:te-label
/tet:technology:
+--:(flexi-grid)
+--rw flexi-n? l0-types:flexi-n
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:connectivity-matrix/tet:to/tet:label-restrictions
/tet:label-restriction/tet:label-step/tet:technology:
+--:(flexi-grid)
+--rw flexi-grid-channel-spacing? identityref
+--rw flexi-n-step? uint8
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:connectivity-matrix/tet:underlay/tet:primary-path
/tet:path-element/tet:type/tet:label/tet:label-hop
/tet:te-label/tet:technology:
+--:(flexi-grid)
+--rw (single-or-super-channel)?
+--:(single)
| +--rw flexi-n? l0-types:flexi-n
| +--rw flexi-m? l0-types:flexi-m
+--:(super)
+--rw subcarrier-flexi-n* [flexi-n]
+--rw flexi-n l0-types:flexi-n
+--rw flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:connectivity-matrix/tet:underlay/tet:backup-path
/tet:path-element/tet:type/tet:label/tet:label-hop
/tet:te-label/tet:technology:
+--:(flexi-grid)
+--rw (single-or-super-channel)?
+--:(single)
| +--rw flexi-n? l0-types:flexi-n
| +--rw flexi-m? l0-types:flexi-m
+--:(super)
+--rw subcarrier-flexi-n* [flexi-n]
+--rw flexi-n l0-types:flexi-n
+--rw flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:connectivity-matrix/tet:optimizations/tet:algorithm
Lopez de Vergara, et al. Expires March 26, 2021 [Page 18]
Internet-Draft Flexi-Grid YANG September 2020
/tet:metric/tet:optimization-metric
/tet:explicit-route-exclude-objects
/tet:route-object-exclude-object/tet:type/tet:label
/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
+--rw (single-or-super-channel)?
+--:(single)
| +--rw flexi-n? l0-types:flexi-n
| +--rw flexi-m? l0-types:flexi-m
+--:(super)
+--rw subcarrier-flexi-n* [flexi-n]
+--rw flexi-n l0-types:flexi-n
+--rw flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:connectivity-matrix/tet:optimizations/tet:algorithm
/tet:metric/tet:optimization-metric
/tet:explicit-route-include-objects
/tet:route-object-include-object/tet:type/tet:label
/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
+--rw (single-or-super-channel)?
+--:(single)
| +--rw flexi-n? l0-types:flexi-n
| +--rw flexi-m? l0-types:flexi-m
+--:(super)
+--rw subcarrier-flexi-n* [flexi-n]
+--rw flexi-n l0-types:flexi-n
+--rw flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:te-node-attributes/tet:connectivity-matrices
/tet:connectivity-matrix/tet:path-properties
/tet:path-route-objects/tet:path-route-object/tet:type
/tet:label/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
+--ro (single-or-super-channel)?
+--:(single)
| +--ro flexi-n? l0-types:flexi-n
| +--ro flexi-m? l0-types:flexi-m
+--:(super)
+--ro subcarrier-flexi-n* [flexi-n]
+--ro flexi-n l0-types:flexi-n
+--ro flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
/tet:label-restrictions/tet:label-restriction
/tet:label-start/tet:te-label/tet:technology:
+--:(flexi-grid)
Lopez de Vergara, et al. Expires March 26, 2021 [Page 19]
Internet-Draft Flexi-Grid YANG September 2020
+--ro flexi-n? l0-types:flexi-n
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
/tet:label-restrictions/tet:label-restriction
/tet:label-end/tet:te-label/tet:technology:
+--:(flexi-grid)
+--ro flexi-n? l0-types:flexi-n
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
/tet:label-restrictions/tet:label-restriction
/tet:label-step/tet:technology:
+--:(flexi-grid)
+--ro flexi-grid-channel-spacing? identityref
+--ro flexi-n-step? uint8
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
/tet:underlay/tet:primary-path/tet:path-element/tet:type
/tet:label/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
+--ro (single-or-super-channel)?
+--:(single)
| +--ro flexi-n? l0-types:flexi-n
| +--ro flexi-m? l0-types:flexi-m
+--:(super)
+--ro subcarrier-flexi-n* [flexi-n]
+--ro flexi-n l0-types:flexi-n
+--ro flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
/tet:underlay/tet:backup-path/tet:path-element/tet:type
/tet:label/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
+--ro (single-or-super-channel)?
+--:(single)
| +--ro flexi-n? l0-types:flexi-n
| +--ro flexi-m? l0-types:flexi-m
+--:(super)
+--ro subcarrier-flexi-n* [flexi-n]
+--ro flexi-n l0-types:flexi-n
+--ro flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
/tet:optimizations/tet:algorithm/tet:metric
/tet:optimization-metric
/tet:explicit-route-exclude-objects
/tet:route-object-exclude-object/tet:type/tet:label
/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
Lopez de Vergara, et al. Expires March 26, 2021 [Page 20]
Internet-Draft Flexi-Grid YANG September 2020
+--ro (single-or-super-channel)?
+--:(single)
| +--ro flexi-n? l0-types:flexi-n
| +--ro flexi-m? l0-types:flexi-m
+--:(super)
+--ro subcarrier-flexi-n* [flexi-n]
+--ro flexi-n l0-types:flexi-n
+--ro flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
/tet:optimizations/tet:algorithm/tet:metric
/tet:optimization-metric
/tet:explicit-route-include-objects
/tet:route-object-include-object/tet:type/tet:label
/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
+--ro (single-or-super-channel)?
+--:(single)
| +--ro flexi-n? l0-types:flexi-n
| +--ro flexi-m? l0-types:flexi-m
+--:(super)
+--ro subcarrier-flexi-n* [flexi-n]
+--ro flexi-n l0-types:flexi-n
+--ro flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
/tet:path-properties/tet:path-route-objects
/tet:path-route-object/tet:type/tet:label/tet:label-hop
/tet:te-label/tet:technology:
+--:(flexi-grid)
+--ro (single-or-super-channel)?
+--:(single)
| +--ro flexi-n? l0-types:flexi-n
| +--ro flexi-m? l0-types:flexi-m
+--:(super)
+--ro subcarrier-flexi-n* [flexi-n]
+--ro flexi-n l0-types:flexi-n
+--ro flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
/tet:connectivity-matrix/tet:from/tet:label-restrictions
/tet:label-restriction/tet:label-start/tet:te-label
/tet:technology:
+--:(flexi-grid)
+--ro flexi-n? l0-types:flexi-n
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
/tet:connectivity-matrix/tet:from/tet:label-restrictions
Lopez de Vergara, et al. Expires March 26, 2021 [Page 21]
Internet-Draft Flexi-Grid YANG September 2020
/tet:label-restriction/tet:label-end/tet:te-label
/tet:technology:
+--:(flexi-grid)
+--ro flexi-n? l0-types:flexi-n
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
/tet:connectivity-matrix/tet:from/tet:label-restrictions
/tet:label-restriction/tet:label-step/tet:technology:
+--:(flexi-grid)
+--ro flexi-grid-channel-spacing? identityref
+--ro flexi-n-step? uint8
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
/tet:connectivity-matrix/tet:to/tet:label-restrictions
/tet:label-restriction/tet:label-start/tet:te-label
/tet:technology:
+--:(flexi-grid)
+--ro flexi-n? l0-types:flexi-n
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
/tet:connectivity-matrix/tet:to/tet:label-restrictions
/tet:label-restriction/tet:label-end/tet:te-label
/tet:technology:
+--:(flexi-grid)
+--ro flexi-n? l0-types:flexi-n
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
/tet:connectivity-matrix/tet:to/tet:label-restrictions
/tet:label-restriction/tet:label-step/tet:technology:
+--:(flexi-grid)
+--ro flexi-grid-channel-spacing? identityref
+--ro flexi-n-step? uint8
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
/tet:connectivity-matrix/tet:underlay/tet:primary-path
/tet:path-element/tet:type/tet:label/tet:label-hop
/tet:te-label/tet:technology:
+--:(flexi-grid)
+--ro (single-or-super-channel)?
+--:(single)
| +--ro flexi-n? l0-types:flexi-n
| +--ro flexi-m? l0-types:flexi-m
+--:(super)
+--ro subcarrier-flexi-n* [flexi-n]
+--ro flexi-n l0-types:flexi-n
+--ro flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
Lopez de Vergara, et al. Expires March 26, 2021 [Page 22]
Internet-Draft Flexi-Grid YANG September 2020
/tet:connectivity-matrix/tet:underlay/tet:backup-path
/tet:path-element/tet:type/tet:label/tet:label-hop
/tet:te-label/tet:technology:
+--:(flexi-grid)
+--ro (single-or-super-channel)?
+--:(single)
| +--ro flexi-n? l0-types:flexi-n
| +--ro flexi-m? l0-types:flexi-m
+--:(super)
+--ro subcarrier-flexi-n* [flexi-n]
+--ro flexi-n l0-types:flexi-n
+--ro flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
/tet:connectivity-matrix/tet:optimizations/tet:algorithm
/tet:metric/tet:optimization-metric
/tet:explicit-route-exclude-objects
/tet:route-object-exclude-object/tet:type/tet:label
/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
+--ro (single-or-super-channel)?
+--:(single)
| +--ro flexi-n? l0-types:flexi-n
| +--ro flexi-m? l0-types:flexi-m
+--:(super)
+--ro subcarrier-flexi-n* [flexi-n]
+--ro flexi-n l0-types:flexi-n
+--ro flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
/tet:connectivity-matrix/tet:optimizations/tet:algorithm
/tet:metric/tet:optimization-metric
/tet:explicit-route-include-objects
/tet:route-object-include-object/tet:type/tet:label
/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
+--ro (single-or-super-channel)?
+--:(single)
| +--ro flexi-n? l0-types:flexi-n
| +--ro flexi-m? l0-types:flexi-m
+--:(super)
+--ro subcarrier-flexi-n* [flexi-n]
+--ro flexi-n l0-types:flexi-n
+--ro flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:information-source-entry/tet:connectivity-matrices
/tet:connectivity-matrix/tet:path-properties
/tet:path-route-objects/tet:path-route-object/tet:type
Lopez de Vergara, et al. Expires March 26, 2021 [Page 23]
Internet-Draft Flexi-Grid YANG September 2020
/tet:label/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
+--ro (single-or-super-channel)?
+--:(single)
| +--ro flexi-n? l0-types:flexi-n
| +--ro flexi-m? l0-types:flexi-m
+--:(super)
+--ro subcarrier-flexi-n* [flexi-n]
+--ro flexi-n l0-types:flexi-n
+--ro flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:tunnel-termination-point
/tet:local-link-connectivities/tet:label-restrictions
/tet:label-restriction/tet:label-start/tet:te-label
/tet:technology:
+--:(flexi-grid)
+--rw flexi-n? l0-types:flexi-n
augment /nw:networks/nw:network/nw:node/tet:te
/tet:tunnel-termination-point
/tet:local-link-connectivities/tet:label-restrictions
/tet:label-restriction/tet:label-end/tet:te-label
/tet:technology:
+--:(flexi-grid)
+--rw flexi-n? l0-types:flexi-n
augment /nw:networks/nw:network/nw:node/tet:te
/tet:tunnel-termination-point
/tet:local-link-connectivities/tet:label-restrictions
/tet:label-restriction/tet:label-step/tet:technology:
+--:(flexi-grid)
+--rw flexi-grid-channel-spacing? identityref
+--rw flexi-n-step? uint8
augment /nw:networks/nw:network/nw:node/tet:te
/tet:tunnel-termination-point
/tet:local-link-connectivities/tet:underlay
/tet:primary-path/tet:path-element/tet:type/tet:label
/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
+--rw (single-or-super-channel)?
+--:(single)
| +--rw flexi-n? l0-types:flexi-n
| +--rw flexi-m? l0-types:flexi-m
+--:(super)
+--rw subcarrier-flexi-n* [flexi-n]
+--rw flexi-n l0-types:flexi-n
+--rw flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:tunnel-termination-point
/tet:local-link-connectivities/tet:underlay
Lopez de Vergara, et al. Expires March 26, 2021 [Page 24]
Internet-Draft Flexi-Grid YANG September 2020
/tet:backup-path/tet:path-element/tet:type/tet:label
/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
+--rw (single-or-super-channel)?
+--:(single)
| +--rw flexi-n? l0-types:flexi-n
| +--rw flexi-m? l0-types:flexi-m
+--:(super)
+--rw subcarrier-flexi-n* [flexi-n]
+--rw flexi-n l0-types:flexi-n
+--rw flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:tunnel-termination-point
/tet:local-link-connectivities/tet:optimizations
/tet:algorithm/tet:metric/tet:optimization-metric
/tet:explicit-route-exclude-objects
/tet:route-object-exclude-object/tet:type/tet:label
/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
+--rw (single-or-super-channel)?
+--:(single)
| +--rw flexi-n? l0-types:flexi-n
| +--rw flexi-m? l0-types:flexi-m
+--:(super)
+--rw subcarrier-flexi-n* [flexi-n]
+--rw flexi-n l0-types:flexi-n
+--rw flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:tunnel-termination-point
/tet:local-link-connectivities/tet:optimizations
/tet:algorithm/tet:metric/tet:optimization-metric
/tet:explicit-route-include-objects
/tet:route-object-include-object/tet:type/tet:label
/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
+--rw (single-or-super-channel)?
+--:(single)
| +--rw flexi-n? l0-types:flexi-n
| +--rw flexi-m? l0-types:flexi-m
+--:(super)
+--rw subcarrier-flexi-n* [flexi-n]
+--rw flexi-n l0-types:flexi-n
+--rw flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:tunnel-termination-point
/tet:local-link-connectivities/tet:path-properties
/tet:path-route-objects/tet:path-route-object/tet:type
/tet:label/tet:label-hop/tet:te-label/tet:technology:
Lopez de Vergara, et al. Expires March 26, 2021 [Page 25]
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+--:(flexi-grid)
+--ro (single-or-super-channel)?
+--:(single)
| +--ro flexi-n? l0-types:flexi-n
| +--ro flexi-m? l0-types:flexi-m
+--:(super)
+--ro subcarrier-flexi-n* [flexi-n]
+--ro flexi-n l0-types:flexi-n
+--ro flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:tunnel-termination-point
/tet:local-link-connectivities
/tet:local-link-connectivity/tet:label-restrictions
/tet:label-restriction/tet:label-start/tet:te-label
/tet:technology:
+--:(flexi-grid)
+--rw flexi-n? l0-types:flexi-n
augment /nw:networks/nw:network/nw:node/tet:te
/tet:tunnel-termination-point
/tet:local-link-connectivities
/tet:local-link-connectivity/tet:label-restrictions
/tet:label-restriction/tet:label-end/tet:te-label
/tet:technology:
+--:(flexi-grid)
+--rw flexi-n? l0-types:flexi-n
augment /nw:networks/nw:network/nw:node/tet:te
/tet:tunnel-termination-point
/tet:local-link-connectivities
/tet:local-link-connectivity/tet:label-restrictions
/tet:label-restriction/tet:label-step/tet:technology:
+--:(flexi-grid)
+--rw flexi-grid-channel-spacing? identityref
+--rw flexi-n-step? uint8
augment /nw:networks/nw:network/nw:node/tet:te
/tet:tunnel-termination-point
/tet:local-link-connectivities
/tet:local-link-connectivity/tet:underlay
/tet:primary-path/tet:path-element/tet:type/tet:label
/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
+--rw (single-or-super-channel)?
+--:(single)
| +--rw flexi-n? l0-types:flexi-n
| +--rw flexi-m? l0-types:flexi-m
+--:(super)
+--rw subcarrier-flexi-n* [flexi-n]
+--rw flexi-n l0-types:flexi-n
+--rw flexi-m? l0-types:flexi-m
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augment /nw:networks/nw:network/nw:node/tet:te
/tet:tunnel-termination-point
/tet:local-link-connectivities
/tet:local-link-connectivity/tet:underlay/tet:backup-path
/tet:path-element/tet:type/tet:label/tet:label-hop
/tet:te-label/tet:technology:
+--:(flexi-grid)
+--rw (single-or-super-channel)?
+--:(single)
| +--rw flexi-n? l0-types:flexi-n
| +--rw flexi-m? l0-types:flexi-m
+--:(super)
+--rw subcarrier-flexi-n* [flexi-n]
+--rw flexi-n l0-types:flexi-n
+--rw flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:tunnel-termination-point
/tet:local-link-connectivities
/tet:local-link-connectivity/tet:optimizations
/tet:algorithm/tet:metric/tet:optimization-metric
/tet:explicit-route-exclude-objects
/tet:route-object-exclude-object/tet:type/tet:label
/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
+--rw (single-or-super-channel)?
+--:(single)
| +--rw flexi-n? l0-types:flexi-n
| +--rw flexi-m? l0-types:flexi-m
+--:(super)
+--rw subcarrier-flexi-n* [flexi-n]
+--rw flexi-n l0-types:flexi-n
+--rw flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:tunnel-termination-point
/tet:local-link-connectivities
/tet:local-link-connectivity/tet:optimizations
/tet:algorithm/tet:metric/tet:optimization-metric
/tet:explicit-route-include-objects
/tet:route-object-include-object/tet:type/tet:label
/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
+--rw (single-or-super-channel)?
+--:(single)
| +--rw flexi-n? l0-types:flexi-n
| +--rw flexi-m? l0-types:flexi-m
+--:(super)
+--rw subcarrier-flexi-n* [flexi-n]
+--rw flexi-n l0-types:flexi-n
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+--rw flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nw:node/tet:te
/tet:tunnel-termination-point
/tet:local-link-connectivities
/tet:local-link-connectivity/tet:path-properties
/tet:path-route-objects/tet:path-route-object/tet:type
/tet:label/tet:label-hop/tet:te-label/tet:technology:
+--:(flexi-grid)
+--ro (single-or-super-channel)?
+--:(single)
| +--ro flexi-n? l0-types:flexi-n
| +--ro flexi-m? l0-types:flexi-m
+--:(super)
+--ro subcarrier-flexi-n* [flexi-n]
+--ro flexi-n l0-types:flexi-n
+--ro flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nt:link/tet:te
/tet:te-link-attributes/tet:underlay/tet:primary-path
/tet:path-element/tet:type/tet:label/tet:label-hop
/tet:te-label/tet:technology:
+--:(flexi-grid)
+--rw (single-or-super-channel)?
+--:(single)
| +--rw flexi-n? l0-types:flexi-n
| +--rw flexi-m? l0-types:flexi-m
+--:(super)
+--rw subcarrier-flexi-n* [flexi-n]
+--rw flexi-n l0-types:flexi-n
+--rw flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nt:link/tet:te
/tet:te-link-attributes/tet:underlay/tet:backup-path
/tet:path-element/tet:type/tet:label/tet:label-hop
/tet:te-label/tet:technology:
+--:(flexi-grid)
+--rw (single-or-super-channel)?
+--:(single)
| +--rw flexi-n? l0-types:flexi-n
| +--rw flexi-m? l0-types:flexi-m
+--:(super)
+--rw subcarrier-flexi-n* [flexi-n]
+--rw flexi-n l0-types:flexi-n
+--rw flexi-m? l0-types:flexi-m
augment /nw:networks/nw:network/nt:link/tet:te
/tet:te-link-attributes/tet:label-restrictions
/tet:label-restriction/tet:label-start/tet:te-label
/tet:technology:
+--:(flexi-grid)
+--rw flexi-n? l0-types:flexi-n
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augment /nw:networks/nw:network/nt:link/tet:te
/tet:te-link-attributes/tet:label-restrictions
/tet:label-restriction/tet:label-end/tet:te-label
/tet:technology:
+--:(flexi-grid)
+--rw flexi-n? l0-types:flexi-n
augment /nw:networks/nw:network/nt:link/tet:te
/tet:te-link-attributes/tet:label-restrictions
/tet:label-restriction/tet:label-step/tet:technology:
+--:(flexi-grid)
+--rw flexi-grid-channel-spacing? identityref
+--rw flexi-n-step? uint8
augment /nw:networks/nw:network/nt:link/tet:te
/tet:information-source-entry/tet:label-restrictions
/tet:label-restriction/tet:label-start/tet:te-label
/tet:technology:
+--:(flexi-grid)
+--ro flexi-n? l0-types:flexi-n
augment /nw:networks/nw:network/nt:link/tet:te
/tet:information-source-entry/tet:label-restrictions
/tet:label-restriction/tet:label-end/tet:te-label
/tet:technology:
+--:(flexi-grid)
+--ro flexi-n? l0-types:flexi-n
augment /nw:networks/nw:network/nt:link/tet:te
/tet:information-source-entry/tet:label-restrictions
/tet:label-restriction/tet:label-step/tet:technology:
+--:(flexi-grid)
+--ro flexi-grid-channel-spacing? identityref
+--ro flexi-n-step? uint8
augment /nw:networks/tet:te/tet:templates/tet:link-template
/tet:te-link-attributes/tet:underlay/tet:primary-path
/tet:path-element/tet:type/tet:label/tet:label-hop
/tet:te-label/tet:technology:
+--:(flexi-grid)
+--rw (single-or-super-channel)?
+--:(single)
| +--rw flexi-n? l0-types:flexi-n
| +--rw flexi-m? l0-types:flexi-m
+--:(super)
+--rw subcarrier-flexi-n* [flexi-n]
+--rw flexi-n l0-types:flexi-n
+--rw flexi-m? l0-types:flexi-m
augment /nw:networks/tet:te/tet:templates/tet:link-template
/tet:te-link-attributes/tet:underlay/tet:backup-path
/tet:path-element/tet:type/tet:label/tet:label-hop
/tet:te-label/tet:technology:
+--:(flexi-grid)
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+--rw (single-or-super-channel)?
+--:(single)
| +--rw flexi-n? l0-types:flexi-n
| +--rw flexi-m? l0-types:flexi-m
+--:(super)
+--rw subcarrier-flexi-n* [flexi-n]
+--rw flexi-n l0-types:flexi-n
+--rw flexi-m? l0-types:flexi-m
augment /nw:networks/tet:te/tet:templates/tet:link-template
/tet:te-link-attributes/tet:label-restrictions
/tet:label-restriction/tet:label-start/tet:te-label
/tet:technology:
+--:(flexi-grid)
+--rw flexi-n? l0-types:flexi-n
augment /nw:networks/tet:te/tet:templates/tet:link-template
/tet:te-link-attributes/tet:label-restrictions
/tet:label-restriction/tet:label-end/tet:te-label
/tet:technology:
+--:(flexi-grid)
+--rw flexi-n? l0-types:flexi-n
augment /nw:networks/tet:te/tet:templates/tet:link-template
/tet:te-link-attributes/tet:label-restrictions
/tet:label-restriction/tet:label-step/tet:technology:
+--:(flexi-grid)
+--rw flexi-grid-channel-spacing? identityref
+--rw flexi-n-step? uint8
8. The YANG Code for Flexi-grid topology
<CODE BEGINS> file "ietf-flexi-grid-topology@2020-09-21.yang"
module ietf-flexi-grid-topology {
yang-version 1.1;
namespace "urn:ietf:params:xml:ns:yang:ietf-flexi-grid-topology";
prefix "flexi-grid";
import ietf-network {
prefix "nw";
reference
"RFC 8345: A YANG Data Model for Network Topologies";
}
import ietf-network-topology {
prefix "nt";
reference
"RFC 8345: A YANG Data Model for Network Topologies";
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}
import ietf-te-topology {
prefix "tet";
reference
"RFC 8795: YANG Data Model for Traffic Engineering
(TE) Topologies";
}
import ietf-layer0-types {
prefix "l0-types";
reference
"RFC XXXX: A YANG Data Model for Layer 0 Types";
}
/* Note: The RFC Editor will replace XXXX with the number assigned
to the RFC once draft-ietf-ccamp-layer0-types becomes an RFC.*/
organization
"IETF CCAMP Working Group";
contact
"WG Web: <http://tools.ietf.org/wg/ccamp/>
WG List: <mailto:ccamp@ietf.org>
Editor: Jorge E. Lopez de Vergara
<mailtojorge.lopez_vergara@uam.es>
Editor: Daniel Perdices
<mailto:daniel.perdices@naudit.es>
Editor: Haomian Zheng
<mailto:zhenghaomian@huawei.com>
Editor: Daniel King
<mailto:d.king@lancaster.ac.uk>
Editor: Young Lee
<mailto:younglee.tx@gmail.com>";
description
"This module defines a model for flexi-grid topology.
Copyright (c) 2020 IETF Trust and the persons identified
as authors of the code. All rights reserved.
Redistribution and use in source and binary forms, with
or without modification, is permitted pursuant to, and
subject to the license terms contained in, the Simplified
BSD License set forth in Section 4.c of the IETF Trust's
Legal Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info).
This version of this YANG module is part of RFC XXXX; see
the RFC itself for full legal notices.";
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revision 2020-09-21 {
description
"Initial Version";
reference
"RFC XXXX: A Yang Data Model for flexi-grid Optical Networks";
// RFC Ed.: replace XXXX with actual RFC number, update date
// information and remove this note
}
/*
* Data nodes
*/
augment "/nw:networks/nw:network/nw:network-types"
+ "/tet:te-topology" {
description
"Augment network types to define Flexi-grid topology type.";
container flexi-grid-topology {
presence
"Its presence identifies the Flexi-grid topology type.";
description
"Introduce new network type for Flexi-grid topology.";
}
}
augment "/nw:networks/nw:network/nw:node/tet:te"
+ "/tet:te-node-attributes" {
when "/nw:networks/nw:network/nw:network-types"
+ "/tet:te-topology/flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description "Augment TE node attributes.";
container flexi-grid-node {
presence "The TE node is a Flexi-grid node.";
description "Flexi-grid node attributes";
}
}
/*
* Augment TE label range information
*/
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:label-restrictions/tet:label-restriction" {
when "../../../../../../nw:network-types/tet:te-topology/"
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+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range information for the TE node
connectivity matrices.";
uses l0-types:flexi-grid-label-range-info;
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/tet:from/"
+ "tet:label-restrictions/tet:label-restriction" {
when "../../../../../../../../nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range information for the source LTP
of the connectivity matrix entry.";
uses l0-types:flexi-grid-label-range-info;
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/tet:to/"
+ "tet:label-restrictions/tet:label-restriction" {
when "../../../../../../../../nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range information for the destination LTP
of the connectivity matrix entry.";
uses l0-types:flexi-grid-label-range-info;
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/"
+ "tet:connectivity-matrices/tet:label-restrictions/"
+ "tet:label-restriction" {
when "../../../../../../nw:network-types/tet:te-topology/"
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+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range information for the TE node
connectivity matrices information source.";
uses l0-types:flexi-grid-label-range-info;
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/"
+ "tet:from/tet:label-restrictions/tet:label-restriction" {
when "../../../../../../../../nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range information for the source LTP
of the connectivity matrix entry information source.";
uses l0-types:flexi-grid-label-range-info;
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/"
+ "tet:to/tet:label-restrictions/tet:label-restriction" {
when "../../../../../../../../nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range information for the destination LTP
of the connectivity matrix entry information source.";
uses l0-types:flexi-grid-label-range-info;
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:tunnel-termination-point/"
+ "tet:local-link-connectivities/"
+ "tet:label-restrictions/tet:label-restriction" {
when "../../../../../../nw:network-types/tet:te-topology/"
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+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range information for the TTP
Local Link Connectivities.";
uses l0-types:flexi-grid-label-range-info;
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:tunnel-termination-point/"
+ "tet:local-link-connectivities/"
+ "tet:local-link-connectivity/"
+ "tet:label-restrictions/tet:label-restriction" {
when "../../../../../../../nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range information for the TTP
Local Link Connectivity entry.";
uses l0-types:flexi-grid-label-range-info;
}
augment "/nw:networks/nw:network/nt:link/tet:te/"
+ "tet:te-link-attributes/"
+ "tet:label-restrictions/tet:label-restriction" {
when "../../../../../nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range information for the TE link.";
uses l0-types:flexi-grid-label-range-info;
}
augment "/nw:networks/nw:network/nt:link/tet:te/"
+ "tet:information-source-entry/"
+ "tet:label-restrictions/tet:label-restriction" {
when "../../../../../nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
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"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range information for the TE link
information source.";
uses l0-types:flexi-grid-label-range-info;
}
augment "/nw:networks/tet:te/tet:templates/"
+ "tet:link-template/tet:te-link-attributes/"
+ "tet:label-restrictions/tet:label-restriction" {
description
"Augment TE label range information for the TE link
template.";
uses l0-types:flexi-grid-label-range-info;
}
/*
* Augment TE label
*/
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-start/"
+ "tet:te-label/tet:technology" {
when "../../../../../../../../nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range start for the TE node
connectivity matrices";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:label-restrictions/"
+ "tet:label-restriction/tet:label-end/"
+ "tet:te-label/tet:technology" {
when "../../../../../../../../nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
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description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range end for the TE node
connectivity matrices";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:label-restrictions/"
+ "tet:label-restriction/tet:label-step/"
+ "tet:technology" {
when "../../../../../../../nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range step for the TE node
connectivity matrices";
case flexi-grid {
uses l0-types:flexi-grid-label-step;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:underlay/tet:primary-path/tet:path-element/"
+ "tet:type/tet:label/tet:label-hop/"
+ "tet:te-label/tet:technology" {
when "../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the underlay primary path of the
TE node connectivity matrices";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
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}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:underlay/tet:backup-path/tet:path-element/"
+ "tet:type/tet:label/tet:label-hop/"
+ "tet:te-label/tet:technology" {
when "../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the underlay backup path of the
TE node connectivity matrices";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:optimizations/tet:algorithm/tet:metric/"
+ "tet:optimization-metric/"
+ "tet:explicit-route-exclude-objects/"
+ "tet:route-object-exclude-object/"
+ "tet:type/tet:label/tet:label-hop/"
+ "tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the explicit route objects excluded
by the path computation of the TE node connectivity
matrices";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
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+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:optimizations/tet:algorithm/tet:metric/"
+ "tet:optimization-metric/"
+ "tet:explicit-route-include-objects/"
+ "tet:route-object-include-object/"
+ "tet:type/tet:label/tet:label-hop/"
+ "tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the explicit route objects included
by the path computation of the TE node connectivity
matrices";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:path-properties/tet:path-route-objects/"
+ "tet:path-route-object/tet:type/tet:label/tet:label-hop/"
+ "tet:te-label/tet:technology" {
when "../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the computed path route objects
of the TE node connectivity matrices";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/tet:from/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-start/"
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+ "tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range start for the source LTP
of the connectivity matrix entry.";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/tet:from/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-end/"
+ "tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range end for the source LTP
of the connectivity matrix entry.";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/tet:from/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-step/"
+ "tet:technology" {
when "../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
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Flexi-grid topology type.";
}
description
"Augment TE label range step for the source LTP
of the connectivity matrix entry.";
case flexi-grid {
uses l0-types:flexi-grid-label-step;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/tet:to/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-start/"
+ "tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range start for the destination LTP
of the connectivity matrix entry.";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/tet:to/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-end/"
+ "tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range end for the destination LTP
of the connectivity matrix entry.";
case flexi-grid {
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uses l0-types:flexi-grid-label-start-end;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/tet:to/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-step/"
+ "tet:technology" {
when "../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range step for the destination LTP
of the connectivity matrix entry.";
case flexi-grid {
uses l0-types:flexi-grid-label-step;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/"
+ "tet:underlay/tet:primary-path/tet:path-element/"
+ "tet:type/tet:label/tet:label-hop/"
+ "tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the underlay primary path
of the connectivity matrix entry.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
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+ "tet:connectivity-matrix/"
+ "tet:underlay/tet:backup-path/tet:path-element/"
+ "tet:type/tet:label/tet:label-hop/"
+ "tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the underlay backup path
of the connectivity matrix entry.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/tet:optimizations/"
+ "tet:algorithm/tet:metric/tet:optimization-metric/"
+ "tet:explicit-route-exclude-objects/"
+ "tet:route-object-exclude-object/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the explicit route objects excluded
by the path computation of the connectivity matrix entry.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/tet:optimizations/"
+ "tet:algorithm/tet:metric/tet:optimization-metric/"
+ "tet:explicit-route-include-objects/"
+ "tet:route-object-include-object/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
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when "../../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the explicit route objects included
by the path computation of the connectivity matrix entry.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:te-node-attributes/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/"
+ "tet:path-properties/tet:path-route-objects/"
+ "tet:path-route-object/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the computed path route objects
of the connectivity matrix entry.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/"
+ "tet:connectivity-matrices/tet:label-restrictions/"
+ "tet:label-restriction/"
+ "tet:label-start/tet:te-label/tet:technology" {
when "../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
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description
"Augment TE label range start for the TE node connectivity
matrices information source.";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/"
+ "tet:connectivity-matrices/tet:label-restrictions/"
+ "tet:label-restriction/"
+ "tet:label-end/tet:te-label/tet:technology" {
when "../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range end for the TE node connectivity
matrices information source.";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/"
+ "tet:connectivity-matrices/tet:label-restrictions/"
+ "tet:label-restriction/"
+ "tet:label-step/tet:technology" {
when "../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range step for the TE node connectivity
matrices information source.";
case flexi-grid {
uses l0-types:flexi-grid-label-step;
}
}
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augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/tet:connectivity-matrices/"
+ "tet:underlay/tet:primary-path/tet:path-element/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the underlay primary path
of the TE node connectivity matrices of the information
source entry.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/tet:connectivity-matrices/"
+ "tet:underlay/tet:backup-path/tet:path-element/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the underlay backup path
of the TE node connectivity matrices of the information
source entry.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/tet:connectivity-matrices/"
+ "tet:optimizations/tet:algorithm/tet:metric/"
+ "tet:optimization-metric/"
+ "tet:explicit-route-exclude-objects/"
+ "tet:route-object-exclude-object/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../../"
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+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the explicit route objects excluded
by the path computation of the TE node connectivity matrices
information source.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/tet:connectivity-matrices/"
+ "tet:optimizations/tet:algorithm/tet:metric/"
+ "tet:optimization-metric/"
+ "tet:explicit-route-include-objects/"
+ "tet:route-object-include-object/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the explicit route objects included
by the path computation of the TE node connectivity matrices
information source.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/tet:connectivity-matrices/"
+ "tet:path-properties/tet:path-route-objects/"
+ "tet:path-route-object/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Lopez de Vergara, et al. Expires March 26, 2021 [Page 47]
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Flexi-grid topology type.";
}
description
"Augment TE label hop for the computed path route objects
of the TE node connectivity matrices information source.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/"
+ "tet:from/tet:label-restrictions/"
+ "tet:label-restriction/"
+ "tet:label-start/tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range start for the source LTP
of the connectivity matrix entry information source.";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/"
+ "tet:from/tet:label-restrictions/"
+ "tet:label-restriction/"
+ "tet:label-end/tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range end for the source LTP
of the connectivity matrix entry information source.";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
Lopez de Vergara, et al. Expires March 26, 2021 [Page 48]
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}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/"
+ "tet:from/tet:label-restrictions/"
+ "tet:label-restriction/"
+ "tet:label-step/tet:technology" {
when "../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range step for the source LTP
of the connectivity matrix entry information source.";
case flexi-grid {
uses l0-types:flexi-grid-label-step;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/"
+ "tet:to/tet:label-restrictions/tet:label-restriction/"
+ "tet:label-start/tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range start for the destination LTP
of the connectivity matrix entry information source.";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/"
+ "tet:to/tet:label-restrictions/tet:label-restriction/"
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+ "tet:label-end/tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range end for the destination LTP
of the connectivity matrix entry information source.";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/"
+ "tet:to/tet:label-restrictions/tet:label-restriction/"
+ "tet:label-step/tet:technology" {
when "../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range step for the destination LTP
of the connectivity matrix entry information source.";
case flexi-grid {
uses l0-types:flexi-grid-label-step;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/"
+ "tet:underlay/tet:primary-path/tet:path-element/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
Lopez de Vergara, et al. Expires March 26, 2021 [Page 50]
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description
"Augment TE label hop for the underlay primary path
of the connectivity matrix entry information source.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/"
+ "tet:underlay/tet:backup-path/tet:path-element/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the underlay backup path
of the connectivity matrix entry information source.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/"
+ "tet:optimizations/tet:algorithm/tet:metric/"
+ "tet:optimization-metric/"
+ "tet:explicit-route-exclude-objects/"
+ "tet:route-object-exclude-object/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the explicit route objects excluded
by the path computation of the connectivity matrix entry
information source.";
case flexi-grid {
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uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/"
+ "tet:optimizations/tet:algorithm/tet:metric/"
+ "tet:optimization-metric/"
+ "tet:explicit-route-include-objects/"
+ "tet:route-object-include-object/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the explicit route objects included
by the path computation of the connectivity matrix entry
information source.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:information-source-entry/tet:connectivity-matrices/"
+ "tet:connectivity-matrix/"
+ "tet:path-properties/tet:path-route-objects/"
+ "tet:path-route-object/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the computed path route objects
of the connectivity matrix entry information source.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
Lopez de Vergara, et al. Expires March 26, 2021 [Page 52]
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augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:tunnel-termination-point/"
+ "tet:local-link-connectivities/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-start/"
+ "tet:te-label/tet:technology" {
when "../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range start for the TTP
Local Link Connectivities.";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:tunnel-termination-point/"
+ "tet:local-link-connectivities/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-end/"
+ "tet:te-label/tet:technology"{
when "../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range end for the TTP
Local Link Connectivities.";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:tunnel-termination-point/"
+ "tet:local-link-connectivities/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-step/"
+ "tet:technology"{
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when "../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range step for the TTP
Local Link Connectivities.";
case flexi-grid {
uses l0-types:flexi-grid-label-step;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:tunnel-termination-point/"
+ "tet:local-link-connectivities/"
+ "tet:underlay/tet:primary-path/tet:path-element/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the underlay primary path
of the TTP Local Link Connectivities.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:tunnel-termination-point/"
+ "tet:local-link-connectivities/"
+ "tet:underlay/tet:backup-path/tet:path-element/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
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"Augment TE label hop for the underlay backup path
of the TTP Local Link Connectivities.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:tunnel-termination-point/"
+ "tet:local-link-connectivities/"
+ "tet:optimizations/tet:algorithm/tet:metric/"
+ "tet:optimization-metric/"
+ "tet:explicit-route-exclude-objects/"
+ "tet:route-object-exclude-object/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the explicit route objects excluded
by the path computation of the TTP Local Link
Connectivities.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:tunnel-termination-point/"
+ "tet:local-link-connectivities/"
+ "tet:optimizations/tet:algorithm/tet:metric/"
+ "tet:optimization-metric/"
+ "tet:explicit-route-include-objects/"
+ "tet:route-object-include-object/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the explicit route objects included
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by the path computation of the TTP Local Link
Connectivities.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:tunnel-termination-point/"
+ "tet:local-link-connectivities/"
+ "tet:path-properties/tet:path-route-objects/"
+ "tet:path-route-object/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the computed path route objects
of the TTP Local Link Connectivities.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:tunnel-termination-point/"
+ "tet:local-link-connectivities/"
+ "tet:local-link-connectivity/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-start/tet:te-label/tet:technology" {
when "../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range start for the TTP
Local Link Connectivity entry.";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
}
}
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augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:tunnel-termination-point/"
+ "tet:local-link-connectivities/"
+ "tet:local-link-connectivity/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-end/tet:te-label/tet:technology" {
when "../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range end for the TTP
Local Link Connectivity entry.";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:tunnel-termination-point/"
+ "tet:local-link-connectivities/"
+ "tet:local-link-connectivity/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-step/tet:technology" {
when "../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range step for the TTP
Local Link Connectivity entry.";
case flexi-grid {
uses l0-types:flexi-grid-label-step;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:tunnel-termination-point/"
+ "tet:local-link-connectivities/"
+ "tet:local-link-connectivity/"
+ "tet:underlay/tet:primary-path/tet:path-element/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
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when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the underlay primary path
of the TTP Local Link Connectivity entry.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:tunnel-termination-point/"
+ "tet:local-link-connectivities/"
+ "tet:local-link-connectivity/"
+ "tet:underlay/tet:backup-path/tet:path-element/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the underlay backup path
of the TTP Local Link Connectivity entry.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:tunnel-termination-point/"
+ "tet:local-link-connectivities/"
+ "tet:local-link-connectivity/"
+ "tet:optimizations/tet:algorithm/tet:metric/"
+ "tet:optimization-metric/"
+ "tet:explicit-route-exclude-objects/"
+ "tet:route-object-exclude-object/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
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description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the explicit route objects excluded
by the path computation of the TTP Local Link
Connectivity entry.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:tunnel-termination-point/"
+ "tet:local-link-connectivities/"
+ "tet:local-link-connectivity/"
+ "tet:optimizations/tet:algorithm/tet:metric/"
+ "tet:optimization-metric/"
+ "tet:explicit-route-include-objects/"
+ "tet:route-object-include-object/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the explicit route objects included
by the path computation of the TTP Local Link
Connectivity entry.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nw:node/tet:te/"
+ "tet:tunnel-termination-point/"
+ "tet:local-link-connectivities/"
+ "tet:local-link-connectivity/"
+ "tet:path-properties/tet:path-route-objects/"
+ "tet:path-route-object/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
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description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the computed path route objects
of the TTP Local Link Connectivity entry.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nt:link/tet:te/"
+ "tet:te-link-attributes/"
+ "tet:underlay/tet:primary-path/tet:path-element/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the underlay primary path
of the TE link.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/nw:network/nt:link/tet:te/"
+ "tet:te-link-attributes/"
+ "tet:underlay/tet:backup-path/tet:path-element/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
when "../../../../../../../../"
+ "nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label hop for the underlay backup path
of the TE link.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
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augment "/nw:networks/nw:network/nt:link/tet:te/"
+ "tet:te-link-attributes/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-start/tet:te-label/tet:technology" {
when "../../../../../../../nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range start for the TE link.";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
}
}
augment "/nw:networks/nw:network/nt:link/tet:te/"
+ "tet:te-link-attributes/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-end/tet:te-label/tet:technology" {
when "../../../../../../../nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range end for the TE link.";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
}
}
augment "/nw:networks/nw:network/nt:link/tet:te/"
+ "tet:te-link-attributes/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-step/tet:technology" {
when "../../../../../../nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range step for the TE link.";
case flexi-grid {
uses l0-types:flexi-grid-label-step;
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}
}
augment "/nw:networks/nw:network/nt:link/tet:te/"
+ "tet:information-source-entry/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-start/tet:te-label/tet:technology" {
when "../../../../../../../nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range start for the TE link
information source.";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
}
}
augment "/nw:networks/nw:network/nt:link/tet:te/"
+ "tet:information-source-entry/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-end/tet:te-label/tet:technology" {
when "../../../../../../../nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
}
description
"Augment TE label range end for the TE link
information source.";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
}
}
augment "/nw:networks/nw:network/nt:link/tet:te/"
+ "tet:information-source-entry/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-step/tet:technology" {
when "../../../../../../nw:network-types/tet:te-topology/"
+ "flexi-grid:flexi-grid-topology" {
description
"Augmentation parameters apply only for networks with
Flexi-grid topology type.";
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}
description
"Augment TE label range step for the TE link
information source.";
case flexi-grid {
uses l0-types:flexi-grid-label-step;
}
}
augment "/nw:networks/tet:te/tet:templates/"
+ "tet:link-template/tet:te-link-attributes/"
+ "tet:underlay/tet:primary-path/tet:path-element/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
description
"Augment TE label hop for the underlay primary path
of the TE link template.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/tet:te/tet:templates/"
+ "tet:link-template/tet:te-link-attributes/"
+ "tet:underlay/tet:backup-path/tet:path-element/tet:type/"
+ "tet:label/tet:label-hop/tet:te-label/tet:technology" {
description
"Augment TE label hop for the underlay backup path
of the TE link template.";
case flexi-grid {
uses l0-types:flexi-grid-label-hop;
}
}
augment "/nw:networks/tet:te/tet:templates/"
+ "tet:link-template/tet:te-link-attributes/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-start/tet:te-label/tet:technology" {
description
"Augment TE label range start for the TE link template.";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
}
}
augment "/nw:networks/tet:te/tet:templates/"
+ "tet:link-template/tet:te-link-attributes/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-end/tet:te-label/tet:technology" {
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description
"Augment TE label range end for the TE link template.";
case flexi-grid {
uses l0-types:flexi-grid-label-start-end;
}
}
augment "/nw:networks/tet:te/tet:templates/"
+ "tet:link-template/tet:te-link-attributes/"
+ "tet:label-restrictions/tet:label-restriction/"
+ "tet:label-step/tet:technology" {
description
"Augment TE label range step for the TE link template.";
case flexi-grid {
uses l0-types:flexi-grid-label-step;
}
}
}
<CODE ENDS>
9. Security Considerations
The YANG module specified in this document defines a schema for data
that is designed to be accessed via network management protocols such
as NETCONF [RFC6241] or RESTCONF [RFC8040]. The lowest NETCONF layer
is the secure transport layer, and the mandatory-to-implement secure
transport is Secure Shell (SSH) [RFC6242]. The lowest RESTCONF layer
is HTTPS, and the mandatory-to-implement secure transport is TLS
[RFC8446].
The NETCONF access control model [RFC8341] provides the means to
restrict access for particular NETCONF users to a preconfigured
subset of all available NETCONF protocol operations and content. The
NETCONF Protocol over Secure Shell (SSH) [RFC6242] describes a method
for invoking and running NETCONF within a Secure Shell (SSH) session
as an SSH subsystem. The Network Configuration Access Control Model
(NACM) [RFC8341] provides the means to restrict access for particular
NETCONF or RESTCONF users to a preconfigured subset of all available
NETCONF or RESTCONF protocol operations and content.
A number of configuration data nodes defined in this document are
writable/deletable (i.e., "config true"). These data nodes may be
considered sensitive or vulnerable in some network environments.
There are a number of data nodes defined in this YANG module that are
writable/creatable/deletable (i.e., config true, which is the
default). These data nodes may be considered sensitive or vulnerable
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in some network environments. Write operations (e.g., edit-config)
to these data nodes without proper protection can have a negative
effect on network operations. These are the subtrees and data nodes
and their sensitivity/vulnerability:
/nw:networks/nw:network/nw:network-types/tet:te-topology
/nw:networks/nw:network/nt:link/tet:te/tet:te-link-attributes
/nw:networks/nw:network/nw:node/nt:termination-point/tet:te
/nw:networks/nw:network/nw:node/tet:te/tet:te-node-attributes
/te-connectivity-matrices/te-connectivity-matrix/tet:path-
constraints/tet:te-bandwidth/tet:technology
/nw:networks/nw:network/nw:node/tet:te
/tet:tunnel-termination-point/tet:local-link-connectivities
/tet:label-restrictions/tet:label-restriction
10. IANA Considerations
IANA is requested to assigned a new URI from the "IETF XML Registry"
[RFC3688] as follows:
URI: urn:ietf:params:xml:ns:yang:ietf-flexi-grid-topology
Registrant Contact: The IESG
XML: N/A; the requested URI is an XML namespace.
IANA is requested to assign a new YANG module name in the "YANG
Module Names" registry [RFC6020] as follows:
Name: ietf-flexi-grid-topology
Namespace: urn:ietf:params:xml:ns:yang:ietf-flexi-grid-topology
Prefix: flexi-grid-topology
Reference: [This.I-D]
11. Contributors
The model presented in this documentr was contributed to by more
people than can be listed in the author list. Additional
contributors include:
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Oscar Gonzalez de Dios
Telefonica I+D/GCTO
Email: oscar.gonzalezdedios@telefonica.com
Gabriele Galimberti
Cisco
Email: ggalimbe@cisco.com
Zafar Ali
Cisco
Email: zali@cisco.com
Daniel Michaud Vallinoto
Universidad Autonoma de Madrid
Email: TBD
Steven Hill,
MTN Group Technology
Email: Steven.Hill@mtn.com
Victor Lopez
Telefonica I+D/GCTO
Email: victor.lopezalvarez@telefonica.com
Italo Busi
Huawei
Email: Italo.Busi@huawei.com
Aihua Guo
Futurewei
Email: aihuaguo.ietf@gmail.com
12. Acknowledgments
The work presented in this document has been partially funded by the
European Commission under the project H2020 METRO-HAUL (Metro High
bandwidth, 5G Application-aware optical network, with edge storage,
compUte and low Latency), Grant Agreement number: 761727, and by the
Spanish Ministry of Economy and Competitiveness under the project
TRAFICA, MINECO/FEDER TEC2015-69417-C2-1-R.
Thanks to Adrian Farrel for reviewing this document and assisting
with conversion to XML.
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13. References
13.1. Normative References
[I-D.ietf-ccamp-layer0-types]
Zheng, H., Lee, Y., Guo, A., Lopez, V., and D. King, "A
YANG Data Model for Layer 0 Types", draft-ietf-ccamp-
layer0-types-07 (work in progress), September 2020.
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119,
DOI 10.17487/RFC2119, March 1997,
<https://www.rfc-editor.org/info/rfc2119>.
[RFC3688] Mealling, M., "The IETF XML Registry", BCP 81, RFC 3688,
DOI 10.17487/RFC3688, January 2004,
<https://www.rfc-editor.org/info/rfc3688>.
[RFC5234] Crocker, D., Ed. and P. Overell, "Augmented BNF for Syntax
Specifications: ABNF", STD 68, RFC 5234,
DOI 10.17487/RFC5234, January 2008,
<https://www.rfc-editor.org/info/rfc5234>.
[RFC6020] Bjorklund, M., Ed., "YANG - A Data Modeling Language for
the Network Configuration Protocol (NETCONF)", RFC 6020,
DOI 10.17487/RFC6020, October 2010,
<https://www.rfc-editor.org/info/rfc6020>.
[RFC6241] Enns, R., Ed., Bjorklund, M., Ed., Schoenwaelder, J., Ed.,
and A. Bierman, Ed., "Network Configuration Protocol
(NETCONF)", RFC 6241, DOI 10.17487/RFC6241, June 2011,
<https://www.rfc-editor.org/info/rfc6241>.
[RFC6242] Wasserman, M., "Using the NETCONF Protocol over Secure
Shell (SSH)", RFC 6242, DOI 10.17487/RFC6242, June 2011,
<https://www.rfc-editor.org/info/rfc6242>.
[RFC7446] Lee, Y., Ed., Bernstein, G., Ed., Li, D., and W. Imajuku,
"Routing and Wavelength Assignment Information Model for
Wavelength Switched Optical Networks", RFC 7446,
DOI 10.17487/RFC7446, February 2015,
<https://www.rfc-editor.org/info/rfc7446>.
[RFC7581] Bernstein, G., Ed., Lee, Y., Ed., Li, D., Imajuku, W., and
J. Han, "Routing and Wavelength Assignment Information
Encoding for Wavelength Switched Optical Networks",
RFC 7581, DOI 10.17487/RFC7581, June 2015,
<https://www.rfc-editor.org/info/rfc7581>.
Lopez de Vergara, et al. Expires March 26, 2021 [Page 67]
Internet-Draft Flexi-Grid YANG September 2020
[RFC7950] Bjorklund, M., Ed., "The YANG 1.1 Data Modeling Language",
RFC 7950, DOI 10.17487/RFC7950, August 2016,
<https://www.rfc-editor.org/info/rfc7950>.
[RFC8040] Bierman, A., Bjorklund, M., and K. Watsen, "RESTCONF
Protocol", RFC 8040, DOI 10.17487/RFC8040, January 2017,
<https://www.rfc-editor.org/info/rfc8040>.
[RFC8174] Leiba, B., "Ambiguity of Uppercase vs Lowercase in RFC
2119 Key Words", BCP 14, RFC 8174, DOI 10.17487/RFC8174,
May 2017, <https://www.rfc-editor.org/info/rfc8174>.
[RFC8341] Bierman, A. and M. Bjorklund, "Network Configuration
Access Control Model", STD 91, RFC 8341,
DOI 10.17487/RFC8341, March 2018,
<https://www.rfc-editor.org/info/rfc8341>.
[RFC8345] Clemm, A., Medved, J., Varga, R., Bahadur, N.,
Ananthakrishnan, H., and X. Liu, "A YANG Data Model for
Network Topologies", RFC 8345, DOI 10.17487/RFC8345, March
2018, <https://www.rfc-editor.org/info/rfc8345>.
[RFC8446] Rescorla, E., "The Transport Layer Security (TLS) Protocol
Version 1.3", RFC 8446, DOI 10.17487/RFC8446, August 2018,
<https://www.rfc-editor.org/info/rfc8446>.
[RFC8795] Liu, X., Bryskin, I., Beeram, V., Saad, T., Shah, H., and
O. Gonzalez de Dios, "YANG Data Model for Traffic
Engineering (TE) Topologies", RFC 8795,
DOI 10.17487/RFC8795, August 2020,
<https://www.rfc-editor.org/info/rfc8795>.
13.2. Informative References
[G.694.1] International Telecommunication Union, "Spectral grids for
WDM applications: DWDM frequency grid", ITUT G.872,
February 2012.
[G.872] International Telecommunication Union, "Architecture of
optical transport networks", ITUT G.872, November 2010.
[I-D.ietf-ccamp-flexigrid-media-channel-yang]
Madrid, U., Perdices, D., Lopezalvarez, V., Dios, O.,
King, D., Lee, Y., and G. Galimberti, "YANG data model for
Flexi-Grid media-channels", draft-ietf-ccamp-flexigrid-
media-channel-yang-02 (work in progress), March 2019.
Lopez de Vergara, et al. Expires March 26, 2021 [Page 68]
Internet-Draft Flexi-Grid YANG September 2020
[RFC7698] Gonzalez de Dios, O., Ed., Casellas, R., Ed., Zhang, F.,
Fu, X., Ceccarelli, D., and I. Hussain, "Framework and
Requirements for GMPLS-Based Control of Flexi-Grid Dense
Wavelength Division Multiplexing (DWDM) Networks",
RFC 7698, DOI 10.17487/RFC7698, November 2015,
<https://www.rfc-editor.org/info/rfc7698>.
[RFC7699] Farrel, A., King, D., Li, Y., and F. Zhang, "Generalized
Labels for the Flexi-Grid in Lambda Switch Capable (LSC)
Label Switching Routers", RFC 7699, DOI 10.17487/RFC7699,
November 2015, <https://www.rfc-editor.org/info/rfc7699>.
[RFC8340] Bjorklund, M. and L. Berger, Ed., "YANG Tree Diagrams",
BCP 215, RFC 8340, DOI 10.17487/RFC8340, March 2018,
<https://www.rfc-editor.org/info/rfc8340>.
Authors' Addresses
Jorge E. Lopez de Vergara Mendez
Universidad Autonoma de Madrid
Email: jorge.lopez_vergara@uam.es
Daniel Perdices Burrero
Naudit
Email: daniel.perdices@naudit.es
Daniel King
Old Dog Consulting
Email: daniel@olddog.co.uk
Young Lee
Samsung
Email: younglee.tx@gmail.co
Haomian Zheng
Huawei Technologies
Email: zhenghaomian@huawei.com
Lopez de Vergara, et al. Expires March 26, 2021 [Page 69]
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