EVPN-VPWS Seamless Integration with Legacy VPWS
draft-brissette-bess-evpn-vpws-seamless-01

Document Type Active Internet-Draft (individual)
Last updated 2019-11-17
Replaces draft-brissette-bess-vpws-seamless
Stream (None)
Intended RFC status (None)
Formats plain text xml pdf htmlized bibtex
Stream Stream state (No stream defined)
Consensus Boilerplate Unknown
RFC Editor Note (None)
IESG IESG state I-D Exists
Telechat date
Responsible AD (None)
Send notices to (None)
BESS Working Group                                     P. Brissette, Ed.
Internet-Draft                                                A. Sajassi
Intended status: Standards Track                               L. Burdet
Expires: May 21, 2020                                      Cisco Systems
                                                               J. Uttaro
                                                                     ATT
                                                                D. Voyer
                                                             Bell Canada
                                                              I. Ghamari
                                                                   Telus
                                                               E. Leyton
                                                        Verizon Wireless
                                                       November 18, 2019

            EVPN-VPWS Seamless Integration with Legacy VPWS
               draft-brissette-bess-evpn-vpws-seamless-01

Abstract

   This document specifies mechanisms for backward compatibility of
   Ethernet VPN Virtual Private Wire Service (EVPN-VPWS) solutions with
   legacy Virtual Private Wire Service (VPWS).  It provides mechanisms
   for seamless integration in the same MPLS/IP network on a per-
   pseudowire or per flexible-crossconnect service basis.
   Implementation of this document enables service providers to
   introduce EVPN-VPWS PEs in their brown-field deployments of legacy
   VPWS networks.  This document specifies control-plane and forwarding
   behaviour needed for auto-discovery of a pseudowire in order to
   enable seamless integration between EVPN-VPWS and VPWS PEs.

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 May 21, 2020.

Brissette, et al.         Expires May 21, 2020                  [Page 1]
Internet-Draft              Abbreviated Title              November 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
   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  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Requirements Language . . . . . . . . . . . . . . . . . .   4
   2.  Terms and Abbreviations . . . . . . . . . . . . . . . . . . .   4
   3.  Solution Requirements . . . . . . . . . . . . . . . . . . . .   5
   4.  Seamless Integration  . . . . . . . . . . . . . . . . . . . .   6
   5.  Capability Discovery  . . . . . . . . . . . . . . . . . . . .   6
   6.  Forwarding and Control Plane Operations . . . . . . . . . . .   7
     6.1.  Multi-homed Operations  . . . . . . . . . . . . . . . . .   8
       6.1.1.  Operations with Port-Active MH PEs  . . . . . . . . .   8
       6.1.2.  Operation with Single-Active MH PEs . . . . . . . . .   9
       6.1.3.  Operation with All-Active MH PEs  . . . . . . . . . .   9
         6.1.3.1.  Falling back to port-active . . . . . . . . . . .  10
         6.1.3.2.  Asymmetric forwarding . . . . . . . . . . . . . .  10
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  11
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .  11
   9.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  11
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .  11
     10.1.  Normative References . . . . . . . . . . . . . . . . . .  11
     10.2.  Informative References . . . . . . . . . . . . . . . . .  12
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  13

1.  Introduction

   Virtual Private Wire Service (VPWS) is a widely-deployed Layer-2 VPN
   (L2VPN) technology.  Many service providers, who are looking at
   adopting Ethernet VPN Virtual Private Wire Service (EVPN-VPWS), want
Show full document text