Address Resolution Protocol (ARP) for the Identifier-Locator Network Protocol for IPv4 (ILNPv4)
RFC 6747

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Internet Research Task Force (IRTF)                          RJ Atkinson
Request for Comments: 6747                                    Consultant
Category: Experimental                                         SN Bhatti
ISSN: 2070-1721                                            U. St Andrews
                                                           November 2012

                   Address Resolution Protocol (ARP)
     for the Identifier-Locator Network Protocol for IPv4 (ILNPv4)

Abstract

   This document defines an Address Resolution Protocol (ARP) extension
   to support the Identifier-Locator Network Protocol for IPv4 (ILNPv4).
   ILNP is an experimental, evolutionary enhancement to IP.  This
   document 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/rfc6747.

Atkinson & Bhatti             Experimental                      [Page 1]
RFC 6747                       ILNPv4 ARP                  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 ....................................................3
      1.1. ILNP Document Roadmap ......................................3
      1.2. Terminology ................................................5
   2. ARP Extensions for ILNPv4 .......................................5
      2.1. ILNPv4 ARP Request Packet Format ...........................5
      2.2. ILNPv4 ARP Reply Packet Format .............................7
      2.3. Operation and Implementation of ARP for ILNPv4 .............8
   3. Security Considerations .........................................9
   4. IANA Considerations .............................................9
   5. References .....................................................10
      5.1. Normative References ......................................10
      5.2. Informative References ....................................11
   6. Acknowledgements ...............................................11

Atkinson & Bhatti             Experimental                      [Page 2]
RFC 6747                       ILNPv4 ARP                  November 2012

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.

   At present, the Internet research and development community are
   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 Encapsulate", where traffic would
   be mapped and then tunnelled through the inter-domain core of the