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IPv6 in Mobile Systems and the Business Advantages

L-F Pau, General Manager, Ericsson Core Network systems and L.M.Ericsson

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Terminal

UTRAN Core

GGSNApplication

Server

User I Pv6

Transport I Pv4/6

IPv6 in 3G

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Common architecture 2003

-Ericsson 3G Networks based on the same Server/Gateway architecture

for wireline & for wireless

-IPv6 supported in 3GPP R5 , with implementations now and available in

infrastructure and terminals from 2003

-Ericsson Multimedia strategy in line with 3GPP and IPv6

Backbone

MGW MGW

Wireless Wireline

Media Gateway

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And ....by end 2003 access will be :

• 1 B fixed IP nodes (ISP access etc)• 1 B mobile nodes• 1 B circuit switched and high bandwidth nodes

and combinations thereof for various convergence services • plus x Million Bluetooth machine-machine communications• plus x Million xDSL etc nodes with n>10 logical users per node • plus x Billion Mobile Internet sessions calling on services • plus many Million Internet hosts (2001: 120 M, IPv4 limit approx 200

M)

thus putting in focus the need to solve IP address crunch in some regions of the world, and add new capabilities in this connection

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Radio NW

Today !!! : preparing for IPv6 in GPRS network

PSTN/ISDN

GMSC

MSC

BSC

HLR

SGSN: Serving GPRS Support NodeGGSN: Gateway GPRS Support NodeBTS

Core NW

Transport: IP, Frame RelayProtocols: GSM heritage ,butIPv4/IPv6 protocols for data

IP

GGSN

Packet core NW

SGSN

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UTRAN

3G network (2003 , but 2001 in Japan)

PSTN/ISDN

GMSC

MSC

RNC

HLR

IPv6 according to 3GPP R5UTRAN: UMTS Terrestrial Radio Access NetworkRNC: Radio Network Controller

BTS

Core NW

UTRAN transport: ATMNew tricks: Soft Handover

IP

GGSN

Packet core NW

SGSN

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Basic technical IPv6 evolution (with mandated interoperability with IPv4 services)

• 128 bit addresses in terminals for global reachability and scalability

• Acceptance,user friendliness and support : IPv6 self configuration nodesIPv6 self configuring nodes

• Simplified header for routing efficiency and performance• Deeper hierarchy and policies for network architecture flexibility• Security with mandatory seemless IPSEC support of all IPv6

devices• Bandwidth and mobility : header compression , soft hand

over,and MobileIP for computing devices• Interoperability fixed/mobile• Enhanced multi-cast support with increased addresses and

efficient flow control

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Multiple levels of mobility in Mobile networks , and relation with IP protocols • Access level

– classical cellular,and Mobile-IP

• Network level– Soft handover,and Mobile-IP (selectively)

• Roaming level

- Handled in network

• Application level– H.323 mobility, POP3,WAP 2

Gateways,etc

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User Terminal connected to ApplicationInitial Set-up

GGSN

NAT-PT

IPv4 Domain

LEGEND

IPv6 over IPv4 tunneling

ConfTunnel

End-to-EndDomain

IPv6 Domain

IPv4

IPv4

IPv6

IPv6

IPv4 over IPv6 tunneling

Dual StackConf

Tunnel

GGSN

ConfTunnel

IPv4IPv6

Dual Stack

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User Terminal connected to Application

GGSN

SIIT/ NAT-PT

IPv4 Domain

AIIH

LEGEND

IPv6 over IPv4 tunneling

6TO4

End-to-EndDomain

IPv6 Domain

IPv4

IPv4

IPv6

IPv6

IPv4 over IPv6 tunneling

Dual Stack

GGSN 6TO4

IPv4IPv6

AIIH

AIIH

Dual Stack

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SOME TECHNICAL CHALLENGES...

• Address management with mobility support and authentification

• Integration into OSS and network management platforms (with instrumentation for IPv6 traffic and services)

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Migration approaches in Transport Network

Core NetworkIPv4

GGSNSGSN

SGSN

RBS

LEGENDIPv4IPv6

IPv6 over IPv4 tunneling

IPv4/6 UTRAN

IPv4UTRAN

IPv4 over IPv6 tunneling

RNC

IPv6 Core

Network

SGSN

GGSN

IPv4Interne

tDomai

n

FWFW

GGSN

6TO4

IPv6 Core

Network

RBS

RBS

RNC

IPv6 UTRAN

RNC

RNC

6TO4

6TO4

6TO4

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KEY ISSUES TODAY AROUND the USE of IPv6 In COMMERCIAL COMMUNICATIONS NETWORKS

• Identifying incremental service revenue sources for operators derived from using IPv6,sometimes alongsid IPv4, and match them against costs

• Identifying new service revenue sources for operators derived from using IPv6

• Migration plans for infrastructure and integration services,including OSS and Network management

DECISION PROCESS MUST BE IN ORDER ABOVE

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IPv6 opens up for changes in Business models favorable to operators and users

- Business /traffic/infrastructure/service business models for IPv6/IPv4 mobile traffic and services (Ericsson Hungary)

- Business concepts and technical DNS solutions allowing for efficient management by operators of IPv6 addresses in relation to subscriber profiles

- Billing solutions with bundled IP/ non-IP IPDR and CDR tracking (Ericsson EHPT)

- Collaborations with operators and new users

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USE In HIGH SPEED INTERNET ACCESS SERVICES

• Technical dominant IPv6 features:

-increased IPv6 address space

-IPSECv6 with both data encryption and user authentification

• Incremental revenue :

-price multiple addresses and flows managed at same cost (e.g Japanese 180 Mbit/s ISP’s)

• New revenue :

-price enhanced security features

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USE in STORAGE AREA NETWORKING

• Technical dominant IPv6 features:

-IPv6 address hierarchy • Incremental revenue :

-more reliable management of large data stores • New revenue :

- content provisioning into 3G enabled mobile services without NAT handling

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USE in ENTERPRISE VPN’s and ASP’s• Technical dominant IPv6 features:

-existence of IPv6 “flow label” field

-MobileIPv6 integration

-IPSECv6 integration

-IPv6 address space breaking 4096 VLAN address limitation

-combination with 802.1p/q/r/s QoS and extended addressing features• Incremental revenue :

-”transparent LAN” services with reduced configuration costs

-reduced need to map VLAN ID’s at network-to-network transition points• New revenue :

- enterprise specific tarifing characteristics encapsulated into “flow label” field

-services from supplying enterprises with AAA servers for their VPN’s

-premium service revenue from mobile workers which take their virtual office with them with full security

-M-Business services which can only be deployed with IPv6 features from risk points of view

-CRM and logistics services where case/object labels and tags are linked to IPv6 addresses in applications

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USE in MOBILE TERMINALS and CONSUMER DEVICES • Technical dominant IPv6 features:

-Neighbor discovery • Incremental revenue :

-reduced costs in customer support from much stronger auto-configuration at installation time (compare e.g. WAP 1.0 terminal configuration via SMS with Mobile Internet service configuration with IPv6)

• New revenue :

-video streaming onto mobile terminals with flow control

-personalized services obtained by user profiles (on server or on host) by XML tags in IPv6 packets

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USE in HOME ENTERTAINMENT

• Technical dominant IPv6 features:

-SIPv6

-Neighbor discovery

-enhanced multi-cast support • Incremental revenue :

-? (VoIP revenue case doubtfull for lack of differentiation of quality+costs)

• New revenue :

-all multimedia SIP supported services

-business models around fee based support ,provisioning or billing made by operators for content providers , using aggregation of services

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Ericsson and IPv6Ericsson and IPv6

• Ericsson took the initiative to form• Supports IPv6 statement of 3GPP • Initiatives

– World’s first IPv6 router has been shipping since 1995.

• Field trials, e.g. – Eurescom P.702, Video-on-Demand, Bandwidth-on-Demand– EU ACTS BTI Project: IPv6, RSVP, Diff.Serv, PIM, ATM SVC; NHRP– EUCLID IPANEMA Project: IPv6, Mobile IP, RSVP, Diff.Serv., PIM, IPSec, Compression– EU IST LONG Project: IPv4/IPv6 Transition issues– EU IST 6INIT Project: IPv6 native network in e.g. UK, D, S, F, Gr, SF, JP, CA– EU IST 6WINIT Project: IPv6 native wireless network in e.g. UK, D, F, Gr, SF, JP, CA

• References– The product has been shipped to several customers, e.g.:

• Telcos,• Defence organisations, • Research networks.

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B.t.w some Ericsson implementations/initiatives using IPv6 • AXI 820 mobile real time IPv4/IPv6 wireless router announced

@ GSM Cannes (Ericsson Radio) and fully operational• IPv4 and IPv6 enables Media Gateways (MGW) on a low cost

high performance and highly available platform (Cello)• One comprehensive server routing IPv4/IPv6 stack with large

protocol suite incl OSPF v6• MobileIPv6 protocol by Ericsson Research• IPv6 in Ericsson Juniper router products (joint venture)• Key role in 6INIT , 6WINIT, NGI project in Europe and others• IPv6/IPv4 in Ericsson Mobile Platforms AB platforms for

terminals and PDA creation • “Life “ IPv6 VOIP trials such as Smart Tone (HK)• Interoperable IPv4/IPv6 applications for military needs (NATO,

IPANEMA , Swedish NetDefence)

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And some other initiatives at Ericsson where IP is in focus ...

• Joint venture with Volvo on Internet car (already demonstrated)

• IP in Bluetooth components and systems (Ericsson Microelectronics, Ericsson Technology licensing company for Bluetooth technology)

• IP in building management (JV with Skånska and others)

• and more to come...

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EVOLUTION

For mobile and convergence networks , no doubt about :-the need for v6

-v6 advantages

-v6/v4 coexistence and migration need

but :

-lack of importance in IETF and some regions of the world as to a realistic migration driven by cost of ownership and competitive advantages at service level

-the absolute need for quality implementations

-reduce fears as to migration , retraining , legacy , etc...

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IPv6, conclusion

• Technology maturing

• Inevitable in mobile networks, co-existence in others

• Good Business models with IPv6- Business /traffic/infrastructure/service business models for IPv6

mobile traffic and services

- Billing solutions

- Collaborations with operators and new users