ICMP Locator Update Message for the Identifier-Locator Network Protocol for IPv4 (ILNPv4)
RFC 6745

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Internet Research Task Force (IRTF)                          RJ Atkinson
Request for Comments: 6745                                    Consultant
Category: Experimental                                         SN Bhatti
ISSN: 2070-1721                                            U. St Andrews
                                                           November 2012

                  ICMP Locator Update Message for the
         Identifier-Locator Network Protocol for IPv4 (ILNPv4)

Abstract

   This note defines an experimental ICMP message type for IPv4 used
   with the Identifier-Locator Network Protocol (ILNP).  ILNP is an
   experimental, evolutionary enhancement to IP.  The ICMP message
   defined herein is used to dynamically update Identifier/Locator
   bindings for an existing ILNP session.  This is a product of the IRTF
   Routing Research Group.

Status of This Memo

   This document is not an Internet Standards Track specification; it is
   published for examination, experimental implementation, and
   evaluation.

   This document defines an Experimental Protocol for the Internet
   community.  This document is a product of the Internet Research Task
   Force (IRTF).  The IRTF publishes the results of Internet-related
   research and development activities.  These results might not be
   suitable for deployment.  This RFC represents the individual
   opinion(s) of one or more members of the Routing Research Group of
   the Internet Research Task Force (IRTF).  Documents approved for
   publication by the IRSG are not a candidate for any level of Internet
   Standard; see Section 2 of RFC 5741.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc6745.

Atkinson & Bhatti             Experimental                      [Page 1]
RFC 6745                       ILNPv4 ICMP                 November 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.

   This document may not be modified, and derivative works of it may not
   be created, except to format it for publication as an RFC or to
   translate it into languages other than English.

Table of Contents

   1. Introduction ....................................................2
      1.1. Document Roadmap ...........................................3
      1.2. ICMPv4 Locator Update ......................................4
      1.3. Terminology ................................................5
   2. ICMP Locator Update Message for ILNPv4 ..........................5
   3. Transport Protocol Effects ......................................8
   4. Implementation Considerations ...................................8
   5. Backwards Compatibility .........................................9
   6. Security Considerations .........................................9
   7. IANA Considerations ............................................10
   8. References .....................................................10
      8.1. Normative References ......................................10
      8.2. Informative References ....................................11
   9. Acknowledgements ...............................................11

1.  Introduction

   This document is part of the ILNP document set, which has had
   extensive review within the IRTF Routing RG.  ILNP is one of the
   recommendations made by the RG Chairs.  Separately, various refereed
   research papers on ILNP have also been published during this decade.
   So the ideas contained herein have had much broader review than the
   IRTF Routing RG.  The views in this document were considered
   controversial by the Routing RG, but the RG reached a consensus that
   the document still should be published.  The Routing RG has had
   remarkably little consensus on anything, so virtually all Routing RG
   outputs are considered controversial.

Atkinson & Bhatti             Experimental                      [Page 2]
RFC 6745                       ILNPv4 ICMP                 November 2012

   At present, the Internet research and development community is
   exploring various approaches to evolving the Internet Architecture to
   solve a variety of issues including, but not limited to, scalability
   of inter-domain routing [RFC4984].  A wide range of other issues
   (e.g., site multihoming, node multihoming, site/subnet mobility, node
   mobility) are also active concerns at present.  Several different
   classes of evolution are being considered by the Internet research
   and development community.  One class is often called "Map and