LISP Network Element Deployment Considerations
draft-ietf-lisp-deployment-03

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Document Type Active Internet-Draft (lisp WG)
Last updated 2012-03-12
Replaces draft-jakab-lisp-deployment
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Network Working Group                                           L. Jakab
Internet-Draft                                      A. Cabellos-Aparicio
Intended status: Informational                                  F. Coras
Expires: September 13, 2012                           J. Domingo-Pascual
                                                 Technical University of
                                                               Catalonia
                                                                D. Lewis
                                                           Cisco Systems
                                                          March 12, 2012

             LISP Network Element Deployment Considerations
                   draft-ietf-lisp-deployment-03.txt

Abstract

   This document discusses the different scenarios for the deployment of
   the new network elements introduced by the Locator/Identifier
   Separation Protocol (LISP).

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 13, 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
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   to this document.  Code Components extracted from this document must

Jakab, et al.          Expires September 13, 2012               [Page 1]
Internet-Draft               LISP Deployment                  March 2012

   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 . . . . . . . . . . . . . . . . . . . . . . . . .  3
   2.  Tunnel Routers . . . . . . . . . . . . . . . . . . . . . . . .  4
     2.1.  Customer Edge  . . . . . . . . . . . . . . . . . . . . . .  4
     2.2.  Provider Edge  . . . . . . . . . . . . . . . . . . . . . .  5
     2.3.  Split ITR/ETR  . . . . . . . . . . . . . . . . . . . . . .  6
     2.4.  Inter-Service Provider Traffic Engineering . . . . . . . .  8
     2.5.  Tunnel Routers Behind NAT  . . . . . . . . . . . . . . . . 10
       2.5.1.  ITR  . . . . . . . . . . . . . . . . . . . . . . . . . 10
       2.5.2.  ETR  . . . . . . . . . . . . . . . . . . . . . . . . . 10
     2.6.  Summary and Feature Matrix . . . . . . . . . . . . . . . . 11
   3.  Map-Resolvers and Map-Servers  . . . . . . . . . . . . . . . . 11
     3.1.  Map-Servers  . . . . . . . . . . . . . . . . . . . . . . . 11
     3.2.  Map-Resolvers  . . . . . . . . . . . . . . . . . . . . . . 12
   4.  Proxy Tunnel Routers . . . . . . . . . . . . . . . . . . . . . 13
     4.1.  P-ITR  . . . . . . . . . . . . . . . . . . . . . . . . . . 13
     4.2.  P-ETR  . . . . . . . . . . . . . . . . . . . . . . . . . . 14
   5.  Migration to LISP  . . . . . . . . . . . . . . . . . . . . . . 16
     5.1.  LISP+BGP . . . . . . . . . . . . . . . . . . . . . . . . . 16
     5.2.  Mapping Service Provider (MSP) P-ITR Service . . . . . . . 16
     5.3.  Proxy-ITR Route Distribution (PITR-RD) . . . . . . . . . . 17
     5.4.  Migration Summary  . . . . . . . . . . . . . . . . . . . . 19
   6.  Step-by-Step BGP to LISP Migration Procedure . . . . . . . . . 20
     6.1.  Customer Pre-Install and Pre-Turn-up Checklist . . . . . . 20
     6.2.  Customer Activating LISP Service . . . . . . . . . . . . . 21
     6.3.  Cut-Over Provider Preparation and Changes  . . . . . . . . 22
   7.  Security Considerations  . . . . . . . . . . . . . . . . . . . 22
   8.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 23
   9.  Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 23
   10. References . . . . . . . . . . . . . . . . . . . . . . . . . . 23
     10.1. Normative References . . . . . . . . . . . . . . . . . . . 23
     10.2. Informative References . . . . . . . . . . . . . . . . . . 24
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 24
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