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Host Identity Protocol (HIP) Multi-Hop Routing Extension
RFC 6028

Document type: RFC - Experimental (October 2010; No errata)
Document stream: IETF
Last updated: 2013-03-02
Other versions: plain text, pdf, html

IETF State: (None)
Consensus: Unknown
Document shepherd: No shepherd assigned

IESG State: RFC 6028 (Experimental)
Responsible AD: Ralph Droms
Send notices to: hip-chairs@tools.ietf.org, draft-ietf-hip-via@tools.ietf.org

Internet Engineering Task Force (IETF)                      G. Camarillo
Request for Comments: 6028                                    A. Keranen
Category: Experimental                                          Ericsson
ISSN: 2070-1721                                             October 2010

        Host Identity Protocol (HIP) Multi-Hop Routing Extension

Abstract

   This document specifies two extensions to the Host Identity Protocol
   (HIP) to implement multi-hop routing.  The first extension allows
   implementing source routing in HIP.  That is, a node sending a HIP
   packet can define a set of nodes that the HIP packet should traverse.
   The second extension allows a HIP packet to carry and record the list
   of nodes that forwarded it.

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 Engineering
   Task Force (IETF).  It represents the consensus of the IETF
   community.  It has received public review and has been approved for
   publication by the Internet Engineering Steering Group (IESG).  Not
   all documents approved by the IESG are 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/rfc6028.

Camarillo & Keranen           Experimental                      [Page 1]
RFC 6028             HIP Multi-Hop Routing Extension        October 2010

Copyright Notice

   Copyright (c) 2010 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 ....................................................2
   2. Terminology .....................................................3
      2.1. Requirements Language ......................................3
      2.2. Definitions ................................................3
   3. Protocol Definitions ............................................3
      3.1. Creating and Processing Via Lists ..........................4
      3.2. Creating Destination Lists .................................4
      3.3. Processing Destination Lists ...............................5
      3.4. Fragmentation Considerations ...............................5
   4. Packet Formats ..................................................5
      4.1. Source and Destination Route List Parameters ...............6
   5. IANA Considerations .............................................7
   6. Security Considerations .........................................8
      6.1. Forged Destination and Via Lists ...........................8
      6.2. Forwarding Loops ...........................................8
   7. Acknowledgments .................................................9
   8. References ......................................................9
      8.1. Normative References .......................................9
      8.2. Informative References .....................................9

1.  Introduction

   When the Host Identity Protocol (HIP) [RFC5201] is used in certain
   contexts, nodes need the ability to perform source routing.  That is,
   a node needs the ability to send a HIP signaling packet that will
   traverse a set of nodes before reaching its destination.  Such
   features are needed, e.g., in the HIP-Based Overlay Networking
   Environment (HIP BONE) [HIP-BONE] or if two nodes wish to keep a
   third, or more, HIP nodes on the signaling path.  This document
   defines an extension that provides HIP with this functionality.

Camarillo & Keranen           Experimental                      [Page 2]
RFC 6028             HIP Multi-Hop Routing Extension        October 2010

   Additionally, when HIP signaling packets are routed through multiple
   nodes, some of these nodes (e.g., the destination host) need the
   ability to know the nodes that a particular packet traversed.  This
   document defines another extension that provides HIP with this

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