Flow-Binding Support for Mobile IP
RFC 7629

Document Type RFC - Experimental (August 2015; No errata)
Last updated 2015-08-26
Replaces draft-gundavelli-mip4-multiple-tunnel-support
Stream IETF
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Stream WG state Submitted to IESG for Publication
Consensus Yes
Document shepherd Pete McCann
Shepherd write-up Show (last changed 2015-05-03)
IESG IESG state RFC 7629 (Experimental)
Telechat date
Responsible AD Brian Haberman
Send notices to mccap@petoni.org, draft-ietf-mip4-multiple-tunnel-support.shepherd@ietf.org, draft-ietf-mip4-multiple-tunnel-support.ad@ietf.org, draft-ietf-mip4-multiple-tunnel-support@ietf.org, mip4-chairs@ietf.org
IANA IANA review state Version Changed - Review Needed
IANA action state RFC-Ed-Ack
Internet Engineering Task Force (IETF)                S. Gundavelli, Ed.
Request for Comments: 7629                                      K. Leung
Category: Experimental                                             Cisco
ISSN: 2070-1721                                              G. Tsirtsis
                                                                Qualcomm
                                                             A. Petrescu
                                                               CEA, LIST
                                                             August 2015

                   Flow-Binding Support for Mobile IP

Abstract

   This specification defines extensions to the Mobile IP protocol for
   allowing a mobile node with multiple interfaces to register a care-of
   address for each of its network interfaces and to simultaneously
   establish multiple IP tunnels with its home agent.  This essentially
   allows the mobile node to utilize all the available network
   interfaces and build a higher aggregated logical pipe with its home
   agent for its home address traffic.  Furthermore, these extensions
   also allow the mobile node and the home agent to negotiate IP traffic
   flow policies for binding individual flows with the registered care-
   of addresses.

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/rfc7629.

Gundavelli, et al.            Experimental                      [Page 1]
RFC 7629           Flow-Binding Support for Mobile IP        August 2015

Copyright Notice

   Copyright (c) 2015 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  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Conventions and Terminology . . . . . . . . . . . . . . . . .   3
     2.1.  Conventions . . . . . . . . . . . . . . . . . . . . . . .   3
     2.2.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Overview  . . . . . . . . . . . . . . . . . . . . . . . . . .   4
     3.1.  Example Call Flow . . . . . . . . . . . . . . . . . . . .   6
   4.  Message Extensions  . . . . . . . . . . . . . . . . . . . . .   7
     4.1.  Multipath Extension . . . . . . . . . . . . . . . . . . .   7
     4.2.  Flow-Binding Extension  . . . . . . . . . . . . . . . . .   9
     4.3.  New Error Codes for Registration Reply  . . . . . . . . .  12
   5.  Protocol Operation  . . . . . . . . . . . . . . . . . . . . .  12
     5.1.  Mobile Node Considerations  . . . . . . . . . . . . . . .  12
     5.2.  Home Agent Considerations . . . . . . . . . . . . . . . .  14
   6.  Routing Considerations  . . . . . . . . . . . . . . . . . . .  14
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  15
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .  16
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  17
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .  17
     9.2.  Informative References  . . . . . . . . . . . . . . . . .  17
   Acknowledgements  . . . . . . . . . . . . . . . . . . . . . . . .  18
   Contributors  . . . . . . . . . . . . . . . . . . . . . . . . . .  18
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  19

Gundavelli, et al.            Experimental                      [Page 2]
RFC 7629           Flow-Binding Support for Mobile IP        August 2015

1.  Introduction

   With the ubiquitous availability of wireless networks based on
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