YANG Data Model for Segment Routing
draft-ietf-spring-sr-yang-07

Document Type Active Internet-Draft (spring WG)
Last updated 2017-07-01
Replaces draft-litkowski-spring-sr-yang
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SPRING Working Group                                        S. Litkowski
Internet-Draft                                   Orange Business Service
Intended status: Standards Track                                   Y. Qu
Expires: January 2, 2018                                          Huawei
                                                               P. Sarkar
                                                             J. Tantsura
                                                              Individual
                                                           July 01, 2017

                  YANG Data Model for Segment Routing
                      draft-ietf-spring-sr-yang-07

Abstract

   This document defines a YANG data model ([RFC6020], [RFC7950]) for
   segment routing ([I-D.ietf-spring-segment-routing]) configuration and
   operation.  This YANG model is intended to be used on network
   elements to configure or operate segment routing.  This document
   defines also generic containers that SHOULD be reused by IGP protocol
   modules to support segment routing.

Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in [RFC2119].

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
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   Drafts is at http://datatracker.ietf.org/drafts/current/.

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   This Internet-Draft will expire on January 2, 2018.

Litkowski, et al.        Expires January 2, 2018                [Page 1]
Internet-Draft                 sr-yang-cfg                     July 2017

Copyright Notice

   Copyright (c) 2017 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
   (http://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
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   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
     1.1.  Tree diagram  . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Design of the Data Model  . . . . . . . . . . . . . . . . . .   3
   3.  Configuration . . . . . . . . . . . . . . . . . . . . . . . .   6
   4.  IGP Control plane configuration . . . . . . . . . . . . . . .   7
     4.1.  IGP interface configuration . . . . . . . . . . . . . . .   7
       4.1.1.  Adjacency SID properties  . . . . . . . . . . . . . .   7
         4.1.1.1.  Bundling  . . . . . . . . . . . . . . . . . . . .   7
         4.1.1.2.  Protection  . . . . . . . . . . . . . . . . . . .   8
   5.  States  . . . . . . . . . . . . . . . . . . . . . . . . . . .   8
   6.  Notifications . . . . . . . . . . . . . . . . . . . . . . . .   8
   7.  YANG Module . . . . . . . . . . . . . . . . . . . . . . . . .   9
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .  28
   9.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  28
   10. IANA Considerations . . . . . . . . . . . . . . . . . . . . .  29
   11. Normative References  . . . . . . . . . . . . . . . . . . . .  29
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  29

1.  Introduction

   This document defines a YANG data model for segment routing
   configuration and operation.  This document does not define the IGP
   extensions to support segment routing but defines generic groupings
   that SHOULD be reused by IGP extension modules.  The reason of this
   design choice is to not require implementations to support all IGP
   extensions.  For example, an implementation may support IS-IS
   extension but not OSPF.

Litkowski, et al.        Expires January 2, 2018                [Page 2]
Internet-Draft                 sr-yang-cfg                     July 2017
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