SRv6 Network Programming
draft-filsfils-spring-srv6-network-programming-05

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Last updated 2018-07-02
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SPRING                                                       C. Filsfils
Internet-Draft                                         P. Camarillo, Ed.
Intended status: Standards Track                     Cisco Systems, Inc.
Expires: January 3, 2019                                        J. Leddy
                                                                 Comcast
                                                                D. Voyer
                                                             Bell Canada
                                                           S. Matsushima
                                                                SoftBank
                                                                   Z. Li
                                                     Huawei Technologies
                                                            July 2, 2018

                        SRv6 Network Programming
           draft-filsfils-spring-srv6-network-programming-05

Abstract

   This document describes the SRv6 network programming concept and its
   most basic functions.

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 RFC 2119 [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
   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 January 3, 2019.

Filsfils, et al.         Expires January 3, 2019                [Page 1]
Internet-Draft          SRv6 Network Programming               July 2018

Copyright Notice

   Copyright (c) 2018 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  . . . . . . . . . . . . . . . . . . . . . . . .   4
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   4
   3.  SRv6 Segment  . . . . . . . . . . . . . . . . . . . . . . . .   5
   4.  Functions associated with a SID . . . . . . . . . . . . . . .   7
     4.1.  End: Endpoint . . . . . . . . . . . . . . . . . . . . . .   9
     4.2.  End.X: Endpoint with Layer-3 cross-connect  . . . . . . .   9
     4.3.  End.T: Endpoint with specific IPv6 table lookup . . . . .  10
     4.4.  End.DX2: Endpoint with decapsulation and Layer-2 cross-
           connect . . . . . . . . . . . . . . . . . . . . . . . . .  11
     4.5.  End.DX2V: Endpoint with decapsulation and VLAN L2 table
           lookup  . . . . . . . . . . . . . . . . . . . . . . . . .  11
     4.6.  End.DT2U: Endpoint with decapsulation and unicast MAC L2
           table lookup  . . . . . . . . . . . . . . . . . . . . . .  12
     4.7.  End.DT2M: Endpoint with decapsulation and L2 table
           flooding  . . . . . . . . . . . . . . . . . . . . . . . .  13
     4.8.  End.DX6: Endpoint with decapsulation and IPv6 cross-
           connect . . . . . . . . . . . . . . . . . . . . . . . . .  13
     4.9.  End.DX4: Endpoint with decapsulation and IPv4 cross-
           connect . . . . . . . . . . . . . . . . . . . . . . . . .  14
     4.10. End.DT6: Endpoint with decapsulation and specific IPv6
           table lookup  . . . . . . . . . . . . . . . . . . . . . .  15
     4.11. End.DT4: Endpoint with decapsulation and specific IPv4
           table lookup  . . . . . . . . . . . . . . . . . . . . . .  15
     4.12. End.DT46: Endpoint with decapsulation and specific IP
           table lookup  . . . . . . . . . . . . . . . . . . . . . .  16
     4.13. End.B6: Endpoint bound to an SRv6 policy  . . . . . . . .  17
     4.14. End.B6.Red: Endpoint bound to an SRv6 reduced policy  . .  17
     4.15. End.B6.Encaps: Endpoint bound to an SRv6 encapsulation
           policy  . . . . . . . . . . . . . . . . . . . . . . . . .  18
     4.16. End.B6.Encaps.Red: Endpoint bound to an SRv6 reduced
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