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IPv6 in 3rd Generation Partnership Project (3GPP) Evolved Packet System (EPS)
RFC 6459

Internet Engineering Task Force (IETF)                  J. Korhonen, Ed.
Request for Comments: 6459                        Nokia Siemens Networks
Category: Informational                                      J. Soininen
ISSN: 2070-1721                                           Renesas Mobile
                                                                B. Patil
                                                           T. Savolainen
                                                                G. Bajko
                                                                   Nokia
                                                            K. Iisakkila
                                                          Renesas Mobile
                                                            January 2012

           IPv6 in 3rd Generation Partnership Project (3GPP)
                      Evolved Packet System (EPS)

Abstract

   The use of cellular broadband for accessing the Internet and other
   data services via smartphones, tablets, and notebook/netbook
   computers has increased rapidly as a result of high-speed packet data
   networks such as HSPA, HSPA+, and now Long-Term Evolution (LTE) being
   deployed.  Operators that have deployed networks based on 3rd
   Generation Partnership Project (3GPP) network architectures are
   facing IPv4 address shortages at the Internet registries and are
   feeling pressure to migrate to IPv6.  This document describes the
   support for IPv6 in 3GPP network architectures.

Status of This Memo

   This document is not an Internet Standards Track specification; it is
   published for informational purposes.

   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/rfc6459.

Korhonen, et al.              Informational                     [Page 1]
RFC 6459                    IPv6 in 3GPP EPS                January 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
   (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.

Korhonen, et al.              Informational                     [Page 2]
RFC 6459                    IPv6 in 3GPP EPS                January 2012

Table of Contents

   1. Introduction ....................................................4
   2. 3GPP Terminology and Concepts ...................................5
      2.1. Terminology ................................................5
      2.2. The Concept of APN ........................................10
   3. IP over 3GPP GPRS ..............................................11
      3.1. Introduction to 3GPP GPRS .................................11
      3.2. PDP Context ...............................................12
   4. IP over 3GPP EPS ...............................................13
      4.1. Introduction to 3GPP EPS ..................................13
      4.2. PDN Connection ............................................14
      4.3. EPS Bearer Model ..........................................15
   5. Address Management .............................................16
      5.1. IPv4 Address Configuration ................................16
      5.2. IPv6 Address Configuration ................................16
      5.3. Prefix Delegation .........................................17
      5.4. IPv6 Neighbor Discovery Considerations ....................18
   6. 3GPP Dual-Stack Approach to IPv6 ...............................18
      6.1. 3GPP Networks Prior to Release-8 ..........................18
      6.2. 3GPP Release-8 and -9 Networks ............................20
      6.3. PDN Connection Establishment Process ......................21
      6.4. Mobility of 3GPP IPv4v6 Bearers ...........................23
   7. Dual-Stack Approach to IPv6 Transition in 3GPP Networks ........24

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