IPv6 in 3GPP Networks

HAW-HamburgLiu Chang

Introduction

Generations of cellular networksAnalog radio technologye.g. NMT and AMPs

Digital radio technologye.g. GSM and TDMA

The third generation (3G)

3GPP - Third Generation Partnership Project

1. 3GPP Background

Technical Specification Groups (TSGs):Radio Access Network (TSG- RAN)Core Network (TSG- CN)Service and System Aspects (TSG-SA)GPRS/ EDGE Radio Access Network (TSG-GERAN)Terminals (TSG- T; i.e., handsets or end host in IP language)

2. 3GPP UMTS Network Architecture

Figure 1-1 3GPP UMTS standardization mapping

User Equipment(UE)UTMS Terrestrial Radio Access Network(UTRAN)Core Network(CN)

Figure1-2 3GPP network components

Uu interfacecommunicate between UE and UTRAN

CNCircuit switched part Packet switched part

Iu interfacecarriers signal between UTRAN and CN

UEMobile Termination (MT) Terminal equipment (TE)

2.1 Packet-Switched Core Network

Consists of three main nodes :Serving GPRS Support Node (SGSN)Gateway GPRS Support Node (GGSN)Home Location Register (HLR)

Figure 2-1 The UMTS packet-switched (PS) domain network and user plane protocols

2.2 Circuit-Switched Core Network

UTRAN connects to the Legacy Circuit Switched (CS) network through the Iu-CS interface

limitation

3. UTRAN Architecture

Figure 3. 3GPP network components

4. UMTS Core Network

Main components of CNSGSN, GGSN involved in forwarding the UE’s traffic HLR involved in authentication, authorization, and access control.

Figure 4. PDP context activation

PDP context request message contains:

PDP type (e.g., IPv6 or IPv4),Access Point Name (APN)QoS/ filtering-related parameters

5. IPv6 in UMTSAddress configuration

Main requirements UE should be able to generate multiple addresses UE should not be assigned a single address

Transition and CoexistenceTunneling over the Gi interface End-to-end incompatibility IPv4-only GGSNs

Tunneling over the Gi interface

Figure 5. Configured tunnels in the GGSN

Mobile IPV6 Improving the Internet

Mobile IPV6 Improving the Internet

6.Reference

Hesham Soliman: Mobile IPv6 Addison Wesley,2004

J. Wiljakka: Analysis on IPv6 Transition in 3GPP Networks, May 2004

IPv6 in 3GPP NetworksIntroduction1. 3GPP Background2. 3GPP UMTS Network ArchitectureFigure1-2 3GPP network components2.1 Packet-Switched Core NetworkFigure 2-1 The UMTS packet-switched (PS) domain network and user plane protocols2.2 Circuit-Switched Core Network3. UTRAN Architecture4. UMTS Core NetworkFigure 4. PDP context activation5. IPv6 in UMTSTunneling over the Gi interface6.Reference