Automatic Route Target Filtering for legacy PEs
draft-ietf-idr-legacy-rtc-07

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Last updated 2016-10-03
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Network Working Group                                       P. Mohapatra
Internet-Draft                                          Sproute Networks
Intended status: Standards Track                          A. Sreekantiah
Expires: April 6, 2017                                     Cisco Systems
                                                                K. Patel
                                                              Arrcus Inc
                                                            B. Pithawala
                                                           Cisco Systems
                                                                   A. Lo
                                                         Arista Networks
                                                         October 3, 2016

            Automatic Route Target Filtering for legacy PEs
                      draft-ietf-idr-legacy-rtc-07

Abstract

   This document describes a simple procedure that allows "legacy" BGP
   speakers to exchange route target membership information in BGP
   without using mechanisms specified in [RFC4684].  The intention of
   the proposed technique is to help in partial deployment scenarios and
   is not meant to replace [RFC4684].

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

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Copyright Notice

   Copyright (c) 2016 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

Mohapatra, et al.         Expires April 6, 2017                 [Page 1]
Internet-Draft           Legacy PE RT Filtering             October 2016

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Requirements Language . . . . . . . . . . . . . . . . . .   3
   2.  Basic Idea  . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Detailed Operation  . . . . . . . . . . . . . . . . . . . . .   3
     3.1.  Legacy PE Behavior  . . . . . . . . . . . . . . . . . . .   3
     3.2.  RR Behavior . . . . . . . . . . . . . . . . . . . . . . .   6
       3.2.1.  Generating Route Target Membership NLRIs for the
               legacy PE clients . . . . . . . . . . . . . . . . . .   6
   4.  ROUTE_FILTER Community  . . . . . . . . . . . . . . . . . . .   7
   5.  Deployment Considerations . . . . . . . . . . . . . . . . . .   7
   6.  Contributors  . . . . . . . . . . . . . . . . . . . . . . . .   8
   7.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .   8
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   8
   9.  Security Considerations . . . . . . . . . . . . . . . . . . .   8
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .   8
     10.1.  Normative References . . . . . . . . . . . . . . . . . .   8
     10.2.  Informational References . . . . . . . . . . . . . . . .   9
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   9
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