Insertion of IPv6 Segment Routing Headers in a Controlled Domain

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Last updated 2017-09-29
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Network Working Group                                           D. Voyer
Internet-Draft                                                D. Bernier
Intended status: Informational                               Bell Canada
Expires: April 2, 2018                                          J. Leddy
                                                             C. Filsfils
                                                         S. Previdi, Ed.
                                                     Cisco Systems, Inc.
                                                              S. Salsano
                                          Universita di Roma Tor Vergata
                                                            A. Cianfrani
                                                  Universita La Sapienza
                                                               D. Lebrun
                                                          O. Bonaventure
                                        Universite Catholique de Louvain
                                                         P. Jonnalagadda
                                                               M. Sharif
                                                       Barefoot Networks
                                                              H. Elmalky
                                                           A. Abdelsalam
                                            Gran Sasso Science Institute
                                                               R. Raszuk
                                                             A. Ayyangar
                                                            D. Steinberg
                                                    Steinberg Consulting
                                                           W. Henderickx
                                                      September 29, 2017

    Insertion of IPv6 Segment Routing Headers in a Controlled Domain


   The network operator and vendor community has clearly indicated that
   IPv6 header insertion is useful and required.  This is notably the
   case when the entire journey of the packet remains in its source
   domain.  In such a context, it does not matter where the extension
   header is inserted.  The source domain may decide to place the IPv6
   extension header insertion where it suits its best: at the source of
   the packet or at any midpoint within the source domain.


Voyer, et al.            Expires April 2, 2018                  [Page 1]
Internet-Draft             IPv6 SRH Insertion         September 29, 2017

Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   document are to be interpreted as described in RFC 2119 [RFC2119].

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   provisions of BCP 78 and BCP 79.

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Source Domain and Packet Journey  . . . . . . . . . . . . . .   3
     2.1.  Example: 6PE  . . . . . . . . . . . . . . . . . . . . . .   4
   3.  Transit through a Source Domain . . . . . . . . . . . . . . .   5
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