LISP Network Element Deployment Considerations
draft-ietf-lisp-deployment-06

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Last updated 2013-01-25
Replaces draft-jakab-lisp-deployment
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Network Working Group                                           L. Jakab
Internet-Draft                                             Cisco Systems
Intended status: Informational                      A. Cabellos-Aparicio
Expires: July 30, 2013                                          F. Coras
                                                      J. Domingo-Pascual
                                                 Technical University of
                                                               Catalonia
                                                                D. Lewis
                                                           Cisco Systems
                                                        January 26, 2013

             LISP Network Element Deployment Considerations
                   draft-ietf-lisp-deployment-06.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

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   This Internet-Draft will expire on July 30, 2013.

Copyright Notice

   Copyright (c) 2013 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

Jakab, et al.             Expires July 30, 2013                 [Page 1]
Internet-Draft               LISP Deployment                January 2013

   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 . . . . . . . . . . . . . . . . . . . . . . . . .  3
   2.  Tunnel Routers . . . . . . . . . . . . . . . . . . . . . . . .  4
     2.1.  Customer Edge  . . . . . . . . . . . . . . . . . . . . . .  4
     2.2.  Provider Edge  . . . . . . . . . . . . . . . . . . . . . .  5
     2.3.  Split ITR/ETR  . . . . . . . . . . . . . . . . . . . . . .  7
     2.4.  Inter-Service Provider Traffic Engineering . . . . . . . .  8
     2.5.  Tunnel Routers Behind NAT  . . . . . . . . . . . . . . . . 10
       2.5.1.  ITR  . . . . . . . . . . . . . . . . . . . . . . . . . 10
       2.5.2.  ETR  . . . . . . . . . . . . . . . . . . . . . . . . . 11
     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  . . . . . . . . . . . . . . . . . . . . . . 15
     5.1.  LISP+BGP . . . . . . . . . . . . . . . . . . . . . . . . . 15
     5.2.  Mapping Service Provider (MSP) P-ITR Service . . . . . . . 16
     5.3.  Proxy-ITR Route Distribution (PITR-RD) . . . . . . . . . . 16
     5.4.  Migration Summary  . . . . . . . . . . . . . . . . . . . . 19
   6.  Step-by-Step Example BGP to LISP Migration Procedure . . . . . 19
     6.1.  Customer Pre-Install and Pre-Turn-up Checklist . . . . . . 19
     6.2.  Customer Activating LISP Service . . . . . . . . . . . . . 21
     6.3.  Cut-Over Provider Preparation and Changes  . . . . . . . . 21
   7.  Security Considerations  . . . . . . . . . . . . . . . . . . . 22
   8.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 22
   9.  Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 22
   10. References . . . . . . . . . . . . . . . . . . . . . . . . . . 23
     10.1. Normative References . . . . . . . . . . . . . . . . . . . 23
     10.2. Informative References . . . . . . . . . . . . . . . . . . 23
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