PMIPv6 multicast handover optimization by the Subscription Information Acquisition through the LMA (SIAL)
draft-ietf-multimob-fast-handover-01

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Document Type Active Internet-Draft (multimob WG)
Last updated 2012-07-16
Replaces draft-contreras-multimob-rams
Replaced by RFC 7161, RFC 7161
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MULTIMOB Working Group                                     LM. Contreras
Internet-Draft                                            Telefonica I+D
Intended status: Experimental                              CJ. Bernardos
Expires: January 17, 2013                                           UC3M
                                                                 I. Soto
                                                                     UPM
                                                           July 16, 2012

 PMIPv6 multicast handover optimization by the Subscription Information
                   Acquisition through the LMA (SIAL)
                  draft-ietf-multimob-fast-handover-01

Abstract

   This document specifies a multicast handover optimization mechanism
   for Proxy Mobile IPv6 to accelerate the delivery of multicast traffic
   to mobile nodes after handovers.  The mechanism is based on speeding
   up the acquisition of mobile nodes' active multicast subscriptions
   information by the mobile access gateways.  To do that, extensions to
   the current Proxy Mobile IPv6 protocol are proposed.  These
   extensions are not only applicable to the base solution for multicast
   support in Proxy Mobile IPv6, but also can be applied to other
   solutions envisioned as possible architectural evolutions of it.
   Furthermore, they are also independent of the role played by the
   mobile access gateway within the multicast network (either acting as
   multicast listener discovery proxy or multicast router).

Status of this Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on January 17, 2013.

Copyright Notice

   Copyright (c) 2012 IETF Trust and the persons identified as the

Contreras, et al.       Expires January 17, 2013                [Page 1]
Internet-Draft   PMIPv6 multicast handover optimization        July 2012

   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
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  4
   2.  Terminology  . . . . . . . . . . . . . . . . . . . . . . . . .  5
   3.  Overview . . . . . . . . . . . . . . . . . . . . . . . . . . .  6
   4.  PMIPv6 extensions  . . . . . . . . . . . . . . . . . . . . . .  7
     4.1.  New mobility option  . . . . . . . . . . . . . . . . . . .  7
       4.1.1.  Active Multicast Subscription mobility option  . . . .  7
         4.1.1.1.  Option application rules . . . . . . . . . . . . .  7
         4.1.1.2.  Option format  . . . . . . . . . . . . . . . . . .  7
     4.2.  New flags  . . . . . . . . . . . . . . . . . . . . . . . .  8
       4.2.1.  Multicast Signaling flag on PBU/PBA message headers  .  8
         4.2.1.1.  Flag application rules . . . . . . . . . . . . . .  8
           4.2.1.1.1.  Registration process . . . . . . . . . . . . .  8
           4.2.1.1.2.  De-registration process  . . . . . . . . . . .  9
         4.2.1.2.  New format of conventional PBU/PBA messages  . . . 10
           4.2.1.2.1.  Proxy Binding Update message . . . . . . . . . 10
           4.2.1.2.2.  Proxy Binding Acknowledgement Message  . . . . 10
       4.2.2.  Multicast Active flag in the LMA Binding Cache and
               (optionally) on the MN's policy store  . . . . . . . . 11
         4.2.2.1.  Flag application rules . . . . . . . . . . . . . . 11
     4.3.  New messages . . . . . . . . . . . . . . . . . . . . . . . 12
       4.3.1.  Messages for active multicast subscription
               interrogation  . . . . . . . . . . . . . . . . . . . . 12
         4.3.1.1.  Subscription Query message . . . . . . . . . . . . 12
           4.3.1.1.1.  Message application rules  . . . . . . . . . . 12
           4.3.1.1.2.  Message format . . . . . . . . . . . . . . . . 12
         4.3.1.2.  Subscription Response message  . . . . . . . . . . 13
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