IPv4 Traffic Offload Selector Option for Proxy Mobile IPv6
draft-ietf-netext-pmipv6-sipto-option-08

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Document Type Active Internet-Draft (netext WG)
Last updated 2013-01-09
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: July 13, 2013                                   ZTE Corporation
                                                             J. Korhonen
                                                  Nokia Siemens Networks
                                                                G. Feige
                                                               R. Koodli
                                                                   Cisco
                                                         January 9, 2013

       IPv4 Traffic Offload Selector Option for Proxy Mobile IPv6
              draft-ietf-netext-pmipv6-sipto-option-08.txt

Abstract

   This specification defines a traffic offload 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 negotiated IPv4 traffic offload flow
   selectors with 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
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on July 13, 2013.

Copyright Notice

   Copyright (c) 2013 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  . . . . . . . . . . . . . . . . . . . . . .  5
     3.1.  LMA Considerations . . . . . . . . . . . . . . . . . . . .  7
     3.2.  MAG Considerations . . . . . . . . . . . . . . . . . . . .  8
   4.  IPv4 Traffic Offload Selector Option . . . . . . . . . . . . .  9
   5.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 11
   6.  Protocol Configuration Variables . . . . . . . . . . . . . . . 11
   7.  Security Considerations  . . . . . . . . . . . . . . . . . . . 12
   8.  Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 13
   9.  References . . . . . . . . . . . . . . . . . . . . . . . . . . 13
     9.1.  Normative References . . . . . . . . . . . . . . . . . . . 13
     9.2.  Informative References . . . . . . . . . . . . . . . . . . 13
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 14

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1.  Introduction

   Mobile Operators are expanding their network coverage by integrating
   various access technology domains (Ex: Wireless LAN, CDMA, LTE) into
   a common IP mobility core.  The 3GPP S2a Proxy Mobile IPv6 [TS23402]
   reference point, specified by the 3GPP system architecture defines
   the protocol inter-working for building such integrated multi-access
   network.  In this scenario, the mobile node's IP traffic is always
   tunneled back from the mobile access gateway [RFC5213] in the access
   network to the local mobility anchor in the home network.  Currently,
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