PMIPv6 multicast handover optimization by the Subscription Information Acquisition through the LMA (SIAL)
draft-ietf-multimob-handover-optimization-02

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Document Type Active Internet-Draft (multimob WG)
Last updated 2013-02-25
Replaces draft-ietf-multimob-fast-handover
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MULTIMOB Working Group                                     LM. Contreras
Internet-Draft                                            Telefonica I+D
Intended status: Experimental                              CJ. Bernardos
Expires: August 29, 2013                                         I. Soto
                                                                    UC3M
                                                       February 25, 2013

 PMIPv6 multicast handover optimization by the Subscription Information
                   Acquisition through the LMA (SIAL)
              draft-ietf-multimob-handover-optimization-02

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' multicast context 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
   they can also be applied to other solutions being developed to avoid
   the tunnel convergence problem.  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 August 29, 2013.

Copyright Notice

   Copyright (c) 2013 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Contreras, et al.        Expires August 29, 2013                [Page 1]
Internet-Draft   PMIPv6 multicast handover optimization    February 2013

   This document is subject to BCP 78 and the IETF Trust's Legal
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   (http://trustee.ietf.org/license-info) in effect on the date of
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Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  4
     1.1.  Handover optimization requirements . . . . . . . . . . . .  5
   2.  Terminology  . . . . . . . . . . . . . . . . . . . . . . . . .  6
   3.  Overview . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
   4.  PMIPv6 extensions  . . . . . . . . . . . . . . . . . . . . . .  9
     4.1.  New mobility option  . . . . . . . . . . . . . . . . . . .  9
       4.1.1.  Active Multicast Subscription mobility option  . . . .  9
         4.1.1.1.  Option application rules . . . . . . . . . . . . .  9
         4.1.1.2.  Option format  . . . . . . . . . . . . . . . . . .  9
         4.1.1.3.  Backward compatibility with MLDv1  . . . . . . . . 10
     4.2.  New flags  . . . . . . . . . . . . . . . . . . . . . . . . 11
       4.2.1.  Multicast Signaling flag on PBU/PBA message headers  . 11
         4.2.1.1.  Flag application rules . . . . . . . . . . . . . . 11
           4.2.1.1.1.  Registration process . . . . . . . . . . . . . 11
           4.2.1.1.2.  De-registration process  . . . . . . . . . . . 12
         4.2.1.2.  New format of conventional PBU/PBA messages  . . . 13
           4.2.1.2.1.  Proxy Binding Update message . . . . . . . . . 13
           4.2.1.2.2.  Proxy Binding Acknowledgement Message  . . . . 13
       4.2.2.  Multicast Active flag in the LMA Binding Cache and
               (optionally) on the MN's policy store  . . . . . . . . 14
         4.2.2.1.  Flag application rules . . . . . . . . . . . . . . 14
     4.3.  New messages . . . . . . . . . . . . . . . . . . . . . . . 15
       4.3.1.  Messages for active multicast subscription query . . . 15
         4.3.1.1.  Subscription Query message . . . . . . . . . . . . 15
           4.3.1.1.1.  Message application rules  . . . . . . . . . . 15
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