IPv4 Traffic Offload Selector Option for Proxy Mobile IPv6
draft-ietf-netext-pmipv6-sipto-option-04

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Last updated 2012-02-09 (latest revision 2012-02-01)
Replaces draft-gundavelli-netext-pmipv6-sipto-option
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NETEXT WG                                             S. Gundavelli, Ed.
Internet-Draft                                                     Cisco
Intended status: Standards Track                                 X. Zhou
Expires: August 12, 2012                                 ZTE Corporation
                                                             J. Korhonen
                                                  Nokia Siemens Networks
                                                                G. Feige
                                                               R. Koodli
                                                                   Cisco
                                                        February 9, 2012

       IPv4 Traffic Offload Selector Option for Proxy Mobile IPv6
              draft-ietf-netext-pmipv6-sipto-option-04.txt

Abstract

   This specification defines a mechanism and a related mobility option
   for carrying IPv4 Offload traffic selectors between a mobile access
   gateway and a local mobility anchor in a Proxy Mobile IPv6 domain.
   Based on the received offload flow selectors from the local mobility
   anchor, a mobile access gateway can enable offload traffic rule on
   the selected IPv4 flows.

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
   Task Force (IETF).  Note that other groups may also distribute
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   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
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   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on August 12, 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

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   (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  . . . . . . . . . . . . . . . . .  4
     2.1.  Conventions  . . . . . . . . . . . . . . . . . . . . . . .  4
     2.2.  Terminology  . . . . . . . . . . . . . . . . . . . . . . .  4
   3.  Solution Overview  . . . . . . . . . . . . . . . . . . . . . .  4
     3.1.  LMA Considerations . . . . . . . . . . . . . . . . . . . .  6
     3.2.  MAG Considerations . . . . . . . . . . . . . . . . . . . .  7
   4.  IP Traffic Offload Selector Option . . . . . . . . . . . . . .  8
   5.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . .  9
   6.  Protocol Configuration Variables . . . . . . . . . . . . . . .  9
   7.  Security Considerations  . . . . . . . . . . . . . . . . . . . 10
   8.  Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 11
   9.  References . . . . . . . . . . . . . . . . . . . . . . . . . . 11
     9.1.  Normative References . . . . . . . . . . . . . . . . . . . 11
     9.2.  Informative References . . . . . . . . . . . . . . . . . . 11
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 11

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1.  Introduction

   Mobile Operators are expanding their network coverage by integrating
   various access technology domains into a common IP mobile core.  For
   providing IP mobility support to a mobile node irrespective of the
   access network to which it is attached.  For example, the 3GPP S2a
   Proxy Mobile IPv6 [TS23402] interface, specified by the 3GPP system
   architecture, is providing the needed protocol glue.  When this
   protocol interface based on Proxy Mobile IPv6 [RFC5213] is used, the
   mobile node is topologically anchored at the local mobility anchor
   [RFC5213] in the home network.  The mobile node's IP traffic is
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