draft-ietf-ccamp-rwa-info-13.txt   draft-ietf-ccamp-rwa-info-14.txt 
Network Working Group Y. Lee Network Working Group Y. Lee
Internet Draft Huawei Internet Draft Huawei
Intended status: Informational G. Bernstein Intended status: Informational G. Bernstein
Expires: April 2012 Grotto Networking Expires: September 2012 Grotto Networking
D. Li D. Li
Huawei Huawei
W. Imajuku W. Imajuku
NTT NTT
October 31, 2011 March 6, 2012
Routing and Wavelength Assignment Information Model for Wavelength Routing and Wavelength Assignment Information Model for Wavelength
Switched Optical Networks Switched Optical Networks
draft-ietf-ccamp-rwa-info-13.txt draft-ietf-ccamp-rwa-info-14.txt
Status of this Memo Status of this Memo
This Internet-Draft is submitted to IETF in full conformance with This Internet-Draft is submitted to IETF in full conformance with
the provisions of BCP 78 and BCP 79. the provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF), its areas, and its working groups. Note that Task Force (IETF), its areas, and its working groups. Note that
other groups may also distribute working documents as Internet- other groups may also distribute working documents as Internet-
Drafts. Drafts.
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months and may be updated, replaced, or obsoleted by other documents months and may be updated, replaced, or obsoleted by other documents
at any time. It is inappropriate to use Internet-Drafts as at any time. It is inappropriate to use Internet-Drafts as
reference material or to cite them other than as "work in progress." reference material or to cite them other than as "work in progress."
The list of current Internet-Drafts can be accessed at The list of current Internet-Drafts can be accessed at
http://www.ietf.org/ietf/1id-abstracts.txt http://www.ietf.org/ietf/1id-abstracts.txt
The list of Internet-Draft Shadow Directories can be accessed at The list of Internet-Draft Shadow Directories can be accessed at
http://www.ietf.org/shadow.html http://www.ietf.org/shadow.html
This Internet-Draft will expire on March 31, 2012. This Internet-Draft will expire on September 6, 2012.
Copyright Notice Copyright Notice
Copyright (c) 2011 IETF Trust and the persons identified as the Copyright (c) 2012 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with carefully, as they describe your rights and restrictions with
respect to this document. Code Components extracted from this respect to this document. Code Components extracted from this
document must include Simplified BSD License text as described in document must include Simplified BSD License text as described in
Section 4.e of the Trust Legal Provisions and are provided without Section 4.e of the Trust Legal Provisions and are provided without
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1.1.3. Changes from 03......................................5 1.1.3. Changes from 03......................................5
1.1.4. Changes from 04......................................5 1.1.4. Changes from 04......................................5
1.1.5. Changes from 05......................................5 1.1.5. Changes from 05......................................5
1.1.6. Changes from 06......................................5 1.1.6. Changes from 06......................................5
1.1.7. Changes from 07......................................5 1.1.7. Changes from 07......................................5
1.1.8. Changes from 08......................................5 1.1.8. Changes from 08......................................5
1.1.9. Changes from 09......................................5 1.1.9. Changes from 09......................................5
1.1.10. Changes from 10.....................................6 1.1.10. Changes from 10.....................................6
1.1.11. Changes from 11.....................................6 1.1.11. Changes from 11.....................................6
1.1.12. Changes from 12.....................................6 1.1.12. Changes from 12.....................................6
1.1.13. Changes from 13.....................................6
2. Terminology....................................................6 2. Terminology....................................................6
3. Routing and Wavelength Assignment Information Model............7 3. Routing and Wavelength Assignment Information Model............7
3.1. Dynamic and Relatively Static Information.................7 3.1. Dynamic and Relatively Static Information.................7
4. Node Information (General).....................................8 4. Node Information (General).....................................8
4.1. Connectivity Matrix.......................................8 4.1. Connectivity Matrix.......................................8
4.2. Shared Risk Node Group....................................9 4.2. Shared Risk Node Group....................................9
5. Node Information (WSON specific)...............................9 5. Node Information (WSON specific)...............................9
5.1. Resource Accessibility/Availability......................10 5.1. Resource Accessibility/Availability......................11
5.2. Resource Signal Constraints and Processing Capabilities..14 5.2. Resource Signal Constraints and Processing Capabilities..14
5.3. Compatibility and Capability Details.....................15 5.3. Compatibility and Capability Details.....................15
5.3.1. Shared Input or Output Indication...................15 5.3.1. Shared Input or Output Indication...................15
5.3.2. Modulation Type List................................15 5.3.2. Modulation Type List................................15
5.3.3. FEC Type List.......................................15 5.3.3. FEC Type List.......................................15
5.3.4. Bit Rate Range List.................................15 5.3.4. Bit Rate Range List.................................15
5.3.5. Acceptable Client Signal List.......................16 5.3.5. Acceptable Client Signal List.......................16
5.3.6. Processing Capability List..........................16 5.3.6. Processing Capability List..........................16
6. Link Information (General)....................................16 6. Link Information (General)....................................16
6.1. Administrative Group.....................................17 6.1. Administrative Group.....................................17
6.2. Interface Switching Capability Descriptor................17 6.2. Interface Switching Capability Descriptor................17
6.3. Link Protection Type (for this link).....................17 6.3. Link Protection Type (for this link).....................17
6.4. Shared Risk Link Group Information.......................17 6.4. Shared Risk Link Group Information.......................17
6.5. Traffic Engineering Metric...............................17 6.5. Traffic Engineering Metric...............................17
6.6. Port Label (Wavelength) Restrictions.....................18 6.6. Port Label (Wavelength) Restrictions.....................18
6.6.1. Port-Wavelength Exclusivity Example.................19 6.6.1. Port-Wavelength Exclusivity Example.................19
7. Dynamic Components of the Information Model...................21 7. Dynamic Components of the Information Model...................21
7.1. Dynamic Link Information (General).......................21 7.1. Dynamic Link Information (General).......................21
7.2. Dynamic Node Information (WSON Specific).................21 7.2. Dynamic Node Information (WSON Specific).................21
8. Security Considerations.......................................21 8. Security Considerations.......................................22
9. IANA Considerations...........................................22 9. IANA Considerations...........................................22
10. Acknowledgments..............................................22 10. Acknowledgments..............................................22
11. References...................................................23 11. References...................................................23
11.1. Normative References....................................23 11.1. Normative References....................................23
11.2. Informative References..................................24 11.2. Informative References..................................24
12. Contributors.................................................25 12. Contributors.................................................25
Author's Addresses...............................................26 Author's Addresses...............................................26
Intellectual Property Statement..................................26 Intellectual Property Statement..................................26
Disclaimer of Validity...........................................27 Disclaimer of Validity...........................................27
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Section 5.2: Clarified RBNF optional elements for several Section 5.2: Clarified RBNF optional elements for several
definitions. definitions.
Section 5.3.6: Clarified RBNF optional elements for Section 5.3.6: Clarified RBNF optional elements for
<ProcessingCapabilities>. <ProcessingCapabilities>.
Editorial changes for clarity. Editorial changes for clarity.
Update the contributor list. Update the contributor list.
1.1.13. Changes from 13
Section 7.1: Clarified that this information model does not dictate
placement of information elements in protocols. In particular, added
a caveat that the available label information element may be placed
within the ISCD information element in the case of OSPF.
2. Terminology 2. Terminology
CWDM: Coarse Wavelength Division Multiplexing. CWDM: Coarse Wavelength Division Multiplexing.
DWDM: Dense Wavelength Division Multiplexing. DWDM: Dense Wavelength Division Multiplexing.
FOADM: Fixed Optical Add/Drop Multiplexer. FOADM: Fixed Optical Add/Drop Multiplexer.
ROADM: Reconfigurable Optical Add/Drop Multiplexer. A reduced port ROADM: Reconfigurable Optical Add/Drop Multiplexer. A reduced port
count wavelength selective switching element featuring input and count wavelength selective switching element featuring input and
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restrictions one can also determine which wavelengths are currently restrictions one can also determine which wavelengths are currently
in use. This parameter could potential be used with other in use. This parameter could potential be used with other
technologies that GMPLS currently covers or may cover in the future. technologies that GMPLS currently covers or may cover in the future.
SharedBackupLabels is a set of labels (wavelengths) currently used SharedBackupLabels is a set of labels (wavelengths) currently used
for shared backup protection on the link. An example usage of this for shared backup protection on the link. An example usage of this
information in a WSON setting is given in [Shared]. This parameter information in a WSON setting is given in [Shared]. This parameter
could potential be used with other technologies that GMPLS currently could potential be used with other technologies that GMPLS currently
covers or may cover in the future. covers or may cover in the future.
Note that the above does not dictate a particular encoding or
placement for available label information. In some routing protocols
it may be advantageous or required to place this information within
another information element such as the interface switching
capability descriptor (ISCD). Consult routing protocol specific
extensions for details of placement of information elements.
7.2. Dynamic Node Information (WSON Specific) 7.2. Dynamic Node Information (WSON Specific)
Currently the only node information that can be considered dynamic Currently the only node information that can be considered dynamic
is the resource pool state and can be isolated into a dynamic node is the resource pool state and can be isolated into a dynamic node
information element as follows: information element as follows:
<DynamicNodeInfo> ::= <NodeID> [<ResourcePoolState>] <DynamicNodeInfo> ::= <NodeID> [<ResourcePoolState>]
8. Security Considerations 8. Security Considerations
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