A Network Virtualization Overlay Solution using EVPN
draft-ietf-bess-evpn-overlay-00

The information below is for an old version of the document
Document Type Active Internet-Draft (bess WG)
Last updated 2015-01-15 (latest revision 2014-11-13)
Replaces draft-sd-l2vpn-evpn-overlay
Stream IETF
Intended RFC status Proposed Standard
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Document shepherd Thomas Morin
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Send notices to "Thomas Morin" <thomas.morin@orange.com>
L2VPN Workgroup                                      A. Sajassi (Editor)
INTERNET-DRAFT                                                     Cisco
Intended Status: Standards Track                                        
                                                       J. Drake (Editor)
Y. Rekhter                                                       Juniper
R. Shekhar                                                              
B. Schliesser                                                Nabil Bitar
Juniper                                                          Verizon
                                                                        
S. Salam                                                    Aldrin Isaac
K. Patel                                                       Bloomberg
D. Rao                                                                  
S. Thoria                                                   James Uttaro
Cisco                                                               AT&T
                                                                        
L. Yong                                                    W. Henderickx
Huawei                                                    Alcatel-Lucent
                                                                        
D. Cai                                                                  
S. Sinha                                                                
Cisco                                                                   
                                                                        
Wen Lin                                                                 
Nischal Sheth                                                           
Juniper                                                                 
                                                                        
Expires: May 10, 2015                                  November 10, 2014

         A Network Virtualization Overlay Solution using EVPN  
                    draft-ietf-bess-evpn-overlay-00 

Abstract

   This document describes how EVPN can be used as an NVO solution and
   explores the various tunnel encapsulation options over IP  and their
   impact on the EVPN control-plane and procedures. In particular, the
   following encapsulation options are analyzed: MPLS over GRE, VXLAN,
   and NVGRE.

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
 

Sajassi-Drake et al.      Expires May 10, 2015                  [Page 1]
INTERNET DRAFT                EVPN Overlay             November 10, 2014

   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
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   The list of current Internet-Drafts can be accessed at
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   The list of Internet-Draft Shadow Directories can be accessed at
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Copyright and License 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.

Table of Contents

   1  Introduction  . . . . . . . . . . . . . . . . . . . . . . . . .  4
   2  Specification of Requirements . . . . . . . . . . . . . . . . .  5
   3  Terminology . . . . . . . . . . . . . . . . . . . . . . . . . .  5
   4 EVPN Features  . . . . . . . . . . . . . . . . . . . . . . . . .  6
   5 Encapsulation Options for EVPN Overlays  . . . . . . . . . . . .  7
     5.1 VXLAN/NVGRE Encapsulation  . . . . . . . . . . . . . . . . .  7
       5.1.1 Virtual Identifiers Scope  . . . . . . . . . . . . . . .  8
         5.1.1.1 Data Center Interconnect with Gateway  . . . . . . .  8
         5.1.1.2 Data Center Interconnect without Gateway . . . . . .  9
       5.1.2 Virtual Identifiers to EVI Mapping . . . . . . . . . . .  9
         5.1.2.1 Auto Derivation of RT  . . . . . . . . . . . . . . . 10
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