draft-ietf-i2rs-yang-dc-fabric-network-topology-05.txt		draft-ietf-i2rs-yang-dc-fabric-network-topology-06.txt
	skipping to change at page 1, line 13 ¶		skipping to change at page 1, line 13 ¶
	I2RS Working Group Y. Zhuang		I2RS Working Group Y. Zhuang
	Internet-Draft D. Shi		Internet-Draft D. Shi
	Intended status: Standards Track Huawei		Intended status: Standards Track Huawei
	Expires: August 15, 2018 R. Gu		Expires: August 15, 2018 R. Gu
	China Mobile		China Mobile
	H. Ananthakrishnan		H. Ananthakrishnan
	Packet Design		Packet Design
	February 11, 2018		February 11, 2018
	A YANG Data Model for Fabric Topology in Data Center Networks		A YANG Data Model for Fabric Topology in Data Center Networks
	draft-ietf-i2rs-yang-dc-fabric-network-topology-05		draft-ietf-i2rs-yang-dc-fabric-network-topology-06
	Abstract		Abstract
	This document defines a YANG data model for fabric topology in Data		This document defines a YANG data model for fabric topology in Data
	Center Network.		Center Network.
	Status of This Memo		Status of This Memo
	This Internet-Draft is submitted in full conformance with the		This Internet-Draft is submitted in full conformance with the
	provisions of BCP 78 and BCP 79.		provisions of BCP 78 and BCP 79.
	skipping to change at page 2, line 25 ¶		skipping to change at page 2, line 25 ¶
	3.2.1. Fabric Topology . . . . . . . . . . . . . . . . . . . 5		3.2.1. Fabric Topology . . . . . . . . . . . . . . . . . . . 5
	3.2.2. Fabric node extension . . . . . . . . . . . . . . . . 6		3.2.2. Fabric node extension . . . . . . . . . . . . . . . . 6
	3.2.3. Fabric termination-point extension . . . . . . . . . 7		3.2.3. Fabric termination-point extension . . . . . . . . . 7
	4. Fabric YANG Module . . . . . . . . . . . . . . . . . . . . . 7		4. Fabric YANG Module . . . . . . . . . . . . . . . . . . . . . 7
	5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 19		5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 19
	6. Security Considerations . . . . . . . . . . . . . . . . . . . 20		6. Security Considerations . . . . . . . . . . . . . . . . . . . 20
	7. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 21		7. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 21
	8. References . . . . . . . . . . . . . . . . . . . . . . . . . 21		8. References . . . . . . . . . . . . . . . . . . . . . . . . . 21
	8.1. Normative References . . . . . . . . . . . . . . . . . . 21		8.1. Normative References . . . . . . . . . . . . . . . . . . 21
	8.2. Informative References . . . . . . . . . . . . . . . . . 22		8.2. Informative References . . . . . . . . . . . . . . . . . 22
	Appendix A. Non NMDA -state modules . . . . . . . . . . . . . . 23		Appendix A. Non NMDA -state modules . . . . . . . . . . . . . . 22
	Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 29		Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 28
	1. Introduction		1. Introduction
	Normally, a data center (DC) network is composed of single or		Normally, a data center (DC) network is composed of single or
	multiple fabrics which are also known as PODs (Points Of Delivery).		multiple fabrics which are also known as PODs (Points Of Delivery).
	These fabrics may be heterogeneous due to implementation of different		These fabrics may be heterogeneous due to implementation of different
	technologies when a DC network is upgraded or new techniques and		technologies when a DC network is upgraded or new techniques and
	features are enrolled. For example, Fabric A may use VXLAN while		features are enrolled. For example, Fabric A may use VXLAN while
	Fabric B may use VLAN within a DC network. Likewise, an existing		Fabric B may use VLAN within a DC network. Likewise, an existing
	fabric may use VXLAN while a new fabric, for example a fabric		fabric may use VXLAN while a new fabric, for example a fabric
	skipping to change at page 21, line 37 ¶		skipping to change at page 21, line 37 ¶
	and H. Ananthakrishnan, "A YANG Data Model for Network		and H. Ananthakrishnan, "A YANG Data Model for Network
	Topologies", I-D draft-ietf-i2rs-yang-network-topo-06,		Topologies", I-D draft-ietf-i2rs-yang-network-topo-06,
	September 2016.		September 2016.
	[I-D.draft-ietf-netmod-revised-datastores-06]		[I-D.draft-ietf-netmod-revised-datastores-06]
	Bjorklund, M., Schoenwaelder, J., Shafer, P., Watsen, K.,		Bjorklund, M., Schoenwaelder, J., Shafer, P., Watsen, K.,
	and R. Wilton, "A Revised Conceptual Model for YANG		and R. Wilton, "A Revised Conceptual Model for YANG
	Datastores", I-D draft-ietf-netmod-revised-datastores-06,		Datastores", I-D draft-ietf-netmod-revised-datastores-06,
	October 2017.		October 2017.
	[I-D.draft-ietf-nvo3-geneve]
	Gross, J., Ganga, I., and T. Sridhar, "Geneve: Generic
	Network Virtualization Encapsulation", I-D draft-ietf-
	i2rs-yang-network-topo-02, September 2017.
	[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate		[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
	Requirement Levels", BCP 14, RFC 2119,		Requirement Levels", BCP 14, RFC 2119,
	DOI 10.17487/RFC2119, March 1997,		DOI 10.17487/RFC2119, March 1997,
	<http://www.rfc-editor.org/info/rfc2119>.		<http://www.rfc-editor.org/info/rfc2119>.
	[RFC5246] Dierks, T. and E. Rescorla, "Transport Layer Security		[RFC5246] Dierks, T. and E. Rescorla, "Transport Layer Security
	(TLS) Protocol Version 1.2", August 2008,		(TLS) Protocol Version 1.2", August 2008,
	<http://www.rfc-editor.org/info/rfc5246>.		<http://www.rfc-editor.org/info/rfc5246>.
	[RFC6020] Bjorklund, M., "YANG - A Data Modeling Language for the		[RFC6020] Bjorklund, M., "YANG - A Data Modeling Language for the
	skipping to change at page 23, line 5 ¶		skipping to change at page 22, line 41 ¶
	[I-D.draft-ietf-i2rs-usecase-reqs-summary]		[I-D.draft-ietf-i2rs-usecase-reqs-summary]
	Hares, S. and M. Chen, "Summary of I2RS Use Case		Hares, S. and M. Chen, "Summary of I2RS Use Case
	Requirements", I-D draft-ietf-netmod-yang-tree-diagrams,		Requirements", I-D draft-ietf-netmod-yang-tree-diagrams,
	May 2015.		May 2015.
	[I-D.draft-ietf-netmod-yang-tree-diagrams]		[I-D.draft-ietf-netmod-yang-tree-diagrams]
	Bjorklund, M. and L. Berger, "YANG Tree Diagrams", I-D		Bjorklund, M. and L. Berger, "YANG Tree Diagrams", I-D
	draft-ietf-netmod-yang-tree-diagrams, October 2017.		draft-ietf-netmod-yang-tree-diagrams, October 2017.
			[I-D.draft-ietf-nvo3-geneve]
			Gross, J., Ganga, I., and T. Sridhar, "Geneve: Generic
			Network Virtualization Encapsulation", I-D draft-ietf-
			nvo3-geneve-05, September 2017.
	Appendix A. Non NMDA -state modules		Appendix A. Non NMDA -state modules
	The YANG module ietf-fabric-toplogy defined in this document augments		The YANG module ietf-fabric-toplogy defined in this document augments
	two modules, ietf-network and ietf-network-topology, that are		two modules, ietf-network and ietf-network-topology, that are
	designed to be used in conjunction with implementations that support		designed to be used in conjunction with implementations that support
	the Network Management Datastore Architecture (NMDA) defined in [I-		the Network Management Datastore Architecture (NMDA) defined in [I-
	D.draft-ietf-netmod-revised-datastores]. In order to allow		D.draft-ietf-netmod-revised-datastores]. In order to allow
	implementations to use the model even in case when NMDA is not		implementations to use the model even in case when NMDA is not
	supported, a set of companion modules have been defined that		supported, a set of companion modules have been defined that
	represent a state model of networks and network topologies, ietf-		represent a state model of networks and network topologies, ietf-
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