EVPN-VPWS Service Edge Gateway
draft-boutros-bess-evpn-vpws-service-edge-gateway-04

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Last updated 2017-06-30
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INTERNET-DRAFT                                              Sami Boutros
Intended Status: Standard Track                                   VMware

                                                       Patrice Brissette
                                                             Ali Sajassi
                                                           Cisco Systems

                                                            Daniel Voyer
                                                             Bell Canada

                                                              John Drake
                                                        Juniper Networks

Expires: December 31, 2017                                 June 29, 2017

                    EVPN-VPWS Service Edge Gateway 
          draft-boutros-bess-evpn-vpws-service-edge-gateway-04

Abstract

   This document describes how a service node can dynamically terminate
   EVPN virtual private wire transport service (VPWS) from access nodes
   and offer Layer 2, Layer 3 and Ethernet VPN overlay services to
   Customer edge devices connected to the access nodes. Service nodes
   using EVPN will advertise to access nodes the L2, L3 and Ethernet VPN
   overlay services it can offer for the terminated EVPN VPWS transport
   service. On an access node an operator can specify the L2 or L3 or
   Ethernet VPN overlay service needed by the customer edge device
   connected to the access node that will be transported over the EVPN-
   VPWS service between access node and service node.

Status of this Memo

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

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF), its areas, and its working groups.  Note that
   other groups may also distribute working documents as
   Internet-Drafts.

   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."
 

Boutros                Expires December 31, 2017                [Page 1]
INTERNET DRAFT       EVPN-VPWS Service Edge Gateway        June 29, 2017

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Table of Contents

   1  Introduction  . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.1  Terminology . . . . . . . . . . . . . . . . . . . . . . . .  3
   2. Requirements  . . . . . . . . . . . . . . . . . . . . . . . . .  4
     2.1 Auto-Discovery . . . . . . . . . . . . . . . . . . . . . . .  4
     2.2 Scalability  . . . . . . . . . . . . . . . . . . . . . . . .  4
     2.3 Head-end . . . . . . . . . . . . . . . . . . . . . . . . . .  4
     2.5 Multi-homing . . . . . . . . . . . . . . . . . . . . . . . .  5
     2.5 Fast Convergence . . . . . . . . . . . . . . . . . . . . . .  5
   3. Benefits  . . . . . . . . . . . . . . . . . . . . . . . . . . .  5
   4. Solution Overview . . . . . . . . . . . . . . . . . . . . . . .  5
     4.1 Multi-homing . . . . . . . . . . . . . . . . . . . . . . . .  7
     4.2 Applicability to IP-VPN  . . . . . . . . . . . . . . . . . .  8
   5 Failure Scenarios  . . . . . . . . . . . . . . . . . . . . . . .  8
   6 Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . .  8
   7 Security Considerations  . . . . . . . . . . . . . . . . . . . .  8
   8  IANA Considerations . . . . . . . . . . . . . . . . . . . . . .  8
   9  References  . . . . . . . . . . . . . . . . . . . . . . . . . .  8
     9.1  Normative References  . . . . . . . . . . . . . . . . . . .  8
     9.2  Informative References  . . . . . . . . . . . . . . . . . .  8
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . .  8

 

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