BGP Control Plane Extensions for Segment Routing based Service Chaining
draft-dawra-idr-bgp-sr-service-chaining-01

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Document Type Active Internet-Draft (individual)
Last updated 2017-11-12
Replaces draft-dawra-spring-bgp-sr-service-chaining
Replaced by draft-dawra-idr-bgp-ls-sr-service-segments
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Inter-Domain Routing
Internet-Draft
Intended status: Standards Track                           G. Dawra, Ed.
Expires: May 16, 2018                                        C. Filsfils
                                                           Cisco Systems
                                                              D. Bernier
                                                             Bell Canada
                                                               J. Uttaro
                                                                    AT&T
                                                             B. Decraene
                                                                  Orange
                                                              H. Elmalky
                                                                Ericsson
                                                                   X. Xu
                                                                  Huawei
                                                                 F. Clad
                                                           Cisco Systems
                                                       November 12, 2017

BGP Control Plane Extensions for Segment Routing based Service Chaining
               draft-dawra-idr-bgp-sr-service-chaining-01

Abstract

   The BGP Control Plane for the SR service-chaining solution is
   consistent with the BGP Control Plane for the topological Segment
   Routing Traffic Engineering (SR-TE) solution.

   o  BGP Link-State(BGP-LS) address-family/sub-address-family[RFC7752]
      is used to discover service and topological characteristics from
      the network.

   o  SR-TE policies[I-D.ietf-idr-segment-routing-te-policy] instantiate
      source-routed policies that may mix service and topological
      segments.

Status of This Memo

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Dawra, et al.             Expires May 16, 2018                  [Page 1]
Internet-Draft            BGP CP for SR for SC             November 2017

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  BGP-LS Extensions for Service Chaining  . . . . . . . . . . .   3
   3.  Illustration  . . . . . . . . . . . . . . . . . . . . . . . .   6
   4.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   7
     4.1.  Service Type Table  . . . . . . . . . . . . . . . . . . .   7
     4.2.  Segment routing function Identifier(SFI)  . . . . . . . .   7
   5.  Manageability Considerations  . . . . . . . . . . . . . . . .   8
   6.  Operational Considerations  . . . . . . . . . . . . . . . . .   8
     6.1.  Operations  . . . . . . . . . . . . . . . . . . . . . . .   8
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .   8
   8.  Conclusions . . . . . . . . . . . . . . . . . . . . . . . . .   8
   9.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .   8
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .   8
     10.1.  Normative References . . . . . . . . . . . . . . . . . .   9
     10.2.  Informative References . . . . . . . . . . . . . . . . .   9
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  12

1.  Introduction

   Segments are introduced in the SR architecture
   [I-D.ietf-spring-segment-routing].  Segment Routing based Service
   chaining is well described in Section 6 of
   [I-D.clad-spring-segment-routing-service-chaining] document with an
   example network and services.

Dawra, et al.             Expires May 16, 2018                  [Page 2]
Internet-Draft            BGP CP for SR for SC             November 2017
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