SRv6 BGP based Overlay services
draft-dawra-bess-srv6-services-00

Document Type Active Internet-Draft (individual)
Last updated 2019-03-11
Replaces draft-dawra-idr-srv6-vpn
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BESS Working Group
Internet-Draft
Intended status: Standards Track                           G. Dawra, Ed.
Expires: September 12, 2019                                     LinkedIn
                                                             C. Filsfils
                                                                D. Dukes
                                                            P. Brissette
                                                             S. Sethuram
                                                             P. Camarilo
                                                           Cisco Systems
                                                                J. Leddy
                                                                 Comcast
                                                                D. Voyer
                                                              D. Bernier
                                                             Bell Canada
                                                            D. Steinberg
                                                    Steinberg Consulting
                                                               R. Raszuk
                                                            Bloomberg LP
                                                             B. Decraene
                                                                  Orange
                                                           S. Matsushima
                                                                SoftBank
                                                               S. Zhuang
                                                     Huawei Technologies
                                                          March 11, 2019

                    SRv6 BGP based Overlay services
                   draft-dawra-bess-srv6-services-00

Abstract

   This draft defines procedures and messages for SRv6-based BGP
   services including L3VPN, EVPN and Internet services.  It builds on
   RFC4364 "BGP/MPLS IP Virtual Private Networks (VPNs)" and RFC7432
   "BGP MPLS-Based Ethernet VPN" and provides a migration path from
   MPLS-based VPNs to SRv6 based VPNs.

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 RFC8174 [RFC8174].

Dawra, et al.          Expires September 12, 2019               [Page 1]
Internet-Draft       SRv6 BGP based Overlay Services          March 2019

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
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   This Internet-Draft will expire on September 12, 2019.

Copyright Notice

   Copyright (c) 2019 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
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  SRv6 Services TLVs  . . . . . . . . . . . . . . . . . . . . .   4
     2.1.  SRv6 Service Sub-TLVs . . . . . . . . . . . . . . . . . .   5
       2.1.1.  SRv6 SID Information Sub-TLV  . . . . . . . . . . . .   6
       2.1.2.  SRv6 Service Data Sub-Sub-TLVs  . . . . . . . . . . .   7
   3.  BGP based L3 service over SRv6  . . . . . . . . . . . . . . .   7
     3.1.  IPv4 VPN Over SRv6 Core . . . . . . . . . . . . . . . . .   8
     3.2.  IPv6 VPN Over SRv6 Core . . . . . . . . . . . . . . . . .   9
     3.3.  Global IPv4 over SRv6 Core  . . . . . . . . . . . . . . .   9
     3.4.  Global IPv6 over SRv6 Core  . . . . . . . . . . . . . . .   9
   4.  BGP based Ethernet VPN (EVPN) over SRv6 . . . . . . . . . . .  10
     4.1.  Ethernet Auto-discovery route over SRv6 Core  . . . . . .  11
       4.1.1.  Per-ES A-D route  . . . . . . . . . . . . . . . . . .  11
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