BGP based Multi-homing in Virtual Private LAN Service
draft-ietf-l2vpn-vpls-multihoming-04

The information below is for an old version of the document
Document Type Active Internet-Draft (l2vpn WG)
Last updated 2012-10-21
Replaced by draft-ietf-bess-vpls-multihoming
Stream IETF
Intended RFC status (None)
Formats plain text pdf html bibtex
Stream WG state WG Document (wg milestone: Dec 2018 - Submit specification... )
Document shepherd None
IESG IESG state I-D Exists
Consensus Boilerplate Unknown
Telechat date
Responsible AD (None)
Send notices to (None)
Internet Engineering Task Force                              B. Kothari
Internet Draft                                          Cohere Networks
Updates: 4761 (if approved)
Intended status: Standards Track                            K. Kompella
Expires: April 2013                                    Contrail Systems

                                                          W. Henderickx
                                                               F. Balus
                                                        S. Palislamovic
                                                         Alcatel-Lucent

                                                              J. Uttaro
                                                                   AT&T

                                                                 W. Lin
                                                       Juniper Networks

                                                       October 21, 2012

           BGP based Multi-homing in Virtual Private LAN Service
                 draft-ietf-l2vpn-vpls-multihoming-04.txt

Abstract

   Virtual Private LAN Service (VPLS) is a Layer 2 Virtual Private
   Network (VPN) that gives its customers the appearance that their
   sites are connected via a Local Area Network (LAN).  It is often
   required for the Service Provider (SP) to give the customer
   redundant connectivity to some sites, often called "multi-homing".
   This memo shows how BGP-based multi-homing can be offered in the
   context of LDP and BGP VPLS solutions.

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), 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."

   The list of current Internet-Drafts can be accessed at
   http://www.ietf.org/ietf/1id-abstracts.txt

   The list of Internet-Draft Shadow Directories can be accessed at
   http://www.ietf.org/shadow.html

   This Internet-Draft will expire on April 21, 2013.

Kothari, et al.          Expires April 21, 2013                [Page 1]
Internet-Draft            VPLS Multi-homing                October 2012

Copyright Notice

   Copyright (c) 2012 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
   (http://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.

   This document may contain material from IETF Documents or IETF
   Contributions published or made publicly available before November
   10, 2008.  The person(s) controlling the copyright in some of this
   material may not have granted the IETF Trust the right to allow
   modifications of such material outside the IETF Standards Process.
   Without obtaining an adequate license from the person(s) controlling
   the copyright in such materials, this document may not be modified
   outside the IETF Standards Process, and derivative works of it may
   not be created outside the IETF Standards Process, except to format
   it for publication as an RFC or to translate it into languages other
   than English.

Kothari, et al.         Expires April 21, 2013                 [Page 2]
Internet-Draft            VPLS Multi-homing                October 2012

Table of Contents

   1. Introduction...................................................4
      1.1. General Terminology.......................................4
      1.2. Conventions used in this document.........................5
   2. Background.....................................................6
      2.1. Scenarios.................................................6
      2.2. VPLS Multi-homing Considerations..........................7
   3. Multi-homing Operations........................................8
      3.1. Provisioning Model........................................8
      3.2. Multi-homing NLRI.........................................8
      3.3. Designated Forwarder Election.............................9
         3.3.1. Attributes...........................................9
         3.3.2. Variables Used.......................................9
Show full document text