Version 2, 2002/12/9

19 December 2002

General Manager, Radio Access Network Department

au Engineering DivisionKDDI Corporation

Mobile Packet Network and its Evolution

Global IPv6 Summit in Japan 2002

"Outlooks on IPv6 Deployment"

1

Dr. Fumio Watanabe

Global IPv6 Summit in Japan 2002, 19 Dec. 2002, F. Watanabe

Global IPv6 Summit in Japan 2002, 19 Dec. 2002, F. Watanabe 2

1. Commercial Mobile Packet Network“PacketOne” network with CDMA radio access network

2. Evolution towards ALL-IP Network- 3GPPs Architecture -

3. Mobile related Research Activities on IPv6 by KDDI

4. KDDI Vision of IPv6

Contents

Global IPv6 Summit in Japan 2002, 19 Dec. 2002, F. Watanabe 3

1. Commercial Mobile Packet Network

“PacketOne” network with CDMA radio access network

Global IPv6 Summit in Japan 2002, 19 Dec. 2002, F. Watanabe 4

Services of “PacketOne” networkn EZweb Mobile internet access (WAP, e-mail, GPS...)n CPA / ISP Intranet / Internet access (PC/PDA)

(cdma Packet Access)WAP server

EZwebNetwork

PacketOneNetwork

DION, au.NET etc.

CPAInternet/ Intranet

mail serverLocation

server

MVNOnetwork

MVNO terminal

KDDI mobile data network

handset

PC + handsetCDMA Radio

Access Network

Global IPv6 Summit in Japan 2002, 19 Dec. 2002, F. Watanabe 5

Features of “PacketOne” network

n Packet Radio Access– 95B 64Kbps, 14.4Kbps (down/up stream)

– 1X 144Kbps, 64Kbps (down/up stream)

– EV-DO 2.4Mbps, 153Kbps (down/up stream)(to be provided 2003)

n Seamless Mobility Support– Continuous data communication while in movement– Continuous data communication through 95B, 1x, and EV-DO RANs

n IP communication– using IP protocol from Mobile Node to Server

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Seamless coverage area and Seamless mobility

1x & DOCombined Base Station

CDMA2000 1xBase Station

cdmaOne (95B)Base Station

EV-DO mobile 1x mobile

1x VoiceEV-DO Packet (2.4M)

1x VoiceEV-DO Packet (2.4M)

1x Voice1x Packet (144k)

1x Voice1x Packet (144k)

95B Voice95B Packet (64k)

95B Voice95B Packet (64k)

Packet communication not limited EV-DO area

Compatibility with legacy terminals

(1) smooth deployment of EV-DO

(2) compatible with legacy terminals

Hand OverHand Over

Backward Compatibility

Global IPv6 Summit in Japan 2002, 19 Dec. 2002, F. Watanabe 7

WAP servers

EZwebNetwork

PacketOneNetwork

WAPRadius

GWRouter

GWRouter

DION, au.NET

ProxyRadius

DIONRadius

GWRouter

CPA64

HOMERadius

FR/ATM

Internet/ Intranet

IP network

Servers, Customers

HA

HA

HA

PDSN /FA

Mail servers

“PacketOne” Network configuration

handset

PC + handsetPDSN

/FA

PDSN /FA

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• In PacketOne network, continuous data communications are supported while in movement.

• In case of mobile node H/O, MN and PDSN establish a new ppp link. HA and PDSN make a new mobile IP tunnel.

• To provide the continuity of IP communication, the same IP address must be assigned to MN before H/O. KDDI’s network sports two IP address assign methods.

IP mobility support

Home RADIUS

IP network

Proxy RADIUS

MN

Server

Area 1

HA

Area 2

H/O GW

New PPP link New mobile IP tunnel

PDSN2

PDSN1

Global IPv6 Summit in Japan 2002, 19 Dec. 2002, F. Watanabe 9

Mobile Node IP address assignment

1. Carrier assign typen IP address is assigned by KDDI dynamically from pooled addresses when

mobile node connect to ‘PacketOne’ network.n In case of MN H/O, session management function assign the same IP

address before H/O.

2. User assign typen IP address is assigned by user’s home radius server.n Each MN assigned the same its own IP address every time connecting to

PacketOne network.n ‘EZweb’ service uses this type.

Two types of IP address assignment methods are available.

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2. Evolution towards ALL-IP Network

- 3GPPs Architecture -

3GPP: 3rd Generation Partnership Project3GPP2: 3rd Generation Partnership Project 2

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ISDNPSTNISDNPSTN

InternetIntranetInternetIntranet

Voice

Conventional Mobile Networks

Circuit Switched Network

GW Packet Node

Core Network

GWSwitch

Packet Core Network

Radio Access Network

Packet

circuit switched network for voice service+

additional packet network for data service

Migration to “ALL IP”• Multimedia service• Cost reduction

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3GPP ALL IP architecture model

IP BackboneRadio Access

NetworkGGSN Internet

IntranetInternetIntranetSGSN

ISDNPSTNISDNPSTNMGW

HSS MRF

MGCF

T-SGW

CSCF

GMSC Server

MSC Server

MGW

Application Servers

PS-domain

CS-domain

IMSIP Multimedia

Subsystem

User data & ControlControl

HSS: Home Subscriber SubsystemCSCF: Call State Control Function

(e.g. SIP server)MRF: Multimedia Resource FunctionMGW: Media GatewayMGCF: Media Gateway Control FunctionT-SGW: Transport Signalling GatewaySGSN: Serving GPRS Support NodeGGSN: Gateway GPRS Support Node

IPv6mandatory

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3GPP2 ALL IP architecture model

IP Backbone

Radio Access Network

Border Router

InternetIntranetInternetIntranet

ISDNPSTNISDNPSTN

MGW

HLR

CQM

MGCF T-SGW

MSC Server

AGW

Applications

IP Multimedia Domain

User data & ControlControl

SCMAAA

SQM

HA

MRF

Databases

Legacy MSDomain

AGW: Access GatewaySCM: Session Control ManagerT-SGW: Trunk Signalling GatewayCQM: Core Quality of Service ManagerSQM: Subscription Quality of Service ManagerDB: Databases

v4/v6support

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3. Mobile related Research Activities

on IPv6 by KDDI

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HA: Home AgentAAA: Authentication,

Authorization and AccountingAGW: Access GatewayPCF: Packet Control FunctionRAN: Radio Access NetworkMN: Mobile Node

Mobile IPv6BackboneRAN

RAN

- Verification of Mobile IPv6 based cellular network - PC-based implementation of HA, AAA, AGW and PCF- Intra-AGW and Inter-AGW handoff support- AAA support

IPv6 Network

HA(v6)

AGW

AGW

PCF

Intra-AGWHandoff

AAA

PCF

PCF

PCF

Inter-AGWHandoff

MN

Mobile IPv6 Test bed

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- Efficient mobility management by Mobile IP cellular backbone- Co-operation of Mobile IPv4 and Mobile IPv6 protocols- Support of IPv6 home network access (ISP, enterprise etc.)- Support of IPv6, IPv4 and IPv4/v6 dual stack mobile nodes

IPv6Home Network

Cellular Backbone

IPv4Home Network

IPv4/v6Dual Stack MN

IPv4 MN

HAv6

HAv4

HAv4(+v6)

Server (v4)

IPv6 MN

Mobile IPv4/v6 Co-operation

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(1) Dial to au.netIPv4 network

ISATAP Router

KDDIIPv6 network

IPv6 Internet

Office/Home IPv6 Network

(2) Configure ISATAP

(3) IPv6 communication

IPv6 remoteaccess from outside

going outside

IPv6 Remote Access Field Trial from- Intra-Site Automatic Tunnel Addressing Protocol- open to au.net users (KDDI’s mobile Internet service)- no registration required- IPv6 free of charge (access charge for au.net required)

http://isatap.kddilabs.jp

Commercial mobile network

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FAMA

AP AP AP AP

MA

MA

MN

FA

BS BS BS

AAAAAA

AAA

Wide AreaMobile IP Network

(Cellular etc.)High Speed Hot Area

(WLAN etc.)

Address / Session PreservationAddress / Session / QoS Context Preservation

Mobility betweenHeterogeneous Mobile Networks

FA

Global IP Network

Layer 2Bridge

BS BS

FA

GWHA

HierarchicalMobile IPCoordination of

Authentication and Mobility

Management

L2 Assisted Fast Handoff GFA

• Mobility between Heterogeneous Mobile Networks (Macro Mobility)• Hierarchical Mobile IP / L2 Assisted Fast Handoff (Micro Mobility)• Coordination of Authentication and Mobility Management• Preservation of Address / Session / QoS Context

802.1X + Mobile IP

High Speed Network

MA: Mobility AgentGFA: Gateway Foreign Agent

Efficient Macro/Micro Motility

MNMN

GFA

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4. KDDI Vision of IPv6

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IPv6 Network to support user demands

v6

Consumer Demands Home Access from Outside

Enterprise Demands Probe car Info (ITS)Push information to sales representatives outside

Motivation: Home network appliances will be available by 2003.(use of IPv6 necessary to solve address shortage problems)

Solution:IPv6/IPv4 dual-stack broadband (ADSL/FTTH/CATV) serviceIPv6 access from browser phones via IPv4/v6 translatorNative IPv6 access from mobile/PHS terminals

probepush

Motivation: needs to access mobile terminals directly

Solution:IP push by static IPv6 addressIPv6 push to mobile terminals (via IPv6 gateway)Native IPv6 access to mobile/PHS terminals

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• IPv6 over IPv4 Tunneling Service (Planned FY2002)• IPv6 Native Access Service (Started Nov. 2002)

IPv6 over IPv4Tunneling Service

DION Customers

IPv6 Native Access Service

IPv6 Customers

IPv6 Tunnel

IPv6 Internet

IPv4 Network

IPv6Network

IPv6Network

IPv6 Native Access

KDDI IPv6 Commercial Service

IPv6 Network

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Mobile NetworkMobile Network

IPv4-IPv6 Translation

legacy contents

P2P

Key Technologies:(1) IPv6 enabled mobile network (realization technology may vary…)(2) IPv4-IPv6 interworking (for smooth migration of v4 contents)(3) Mobile IPv6 technology (for “true” ubiquitous networking…)

IPv4 NetworkIPv4 Network

Network appliances

ProbingPush applications

Wireless LAN

Mobile IPv6for ubiquitous

Access fromoutside

KDDI’s Ubiquitous Networking Vision

IPv6Home Network

IPv6 Networkthe ubiquitous platform

IPv6 Networkthe ubiquitous platform

Global IPv6 Summit in Japan 2002, 19 Dec. 2002, F. Watanabe 23

www.kddi.comwww.au.kddi.com

www.dion.ne.jp

Thank You