IPv6 Update

Windows® Networking & CommunicationsMicrosoft Corporation

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Agenda

• Enabling new engaging experiences• Today’s networking challenges• IPv6 and transitional technologies• Microsoft’s IPv6 status and roadmap

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Deliver New Engaging Experiences

Real-Time Communications (RTC)• Instant messaging, voice, video• Real-time game play / collaboration

Collaboration• Project workspaces solving a need• Sharing your files with other people

Shared experiences• Concert, company meeting, class• Distribution of product updates

Pervasive Collaborative Computing!

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Today’s Networking Challenges

• Development and deployment of these new experiences is difficult

• End-to-end connectivity is broken• Network address translators (NATs) are widely deployed in

networks• Homes, WiFi hotspots, enterprises, branch offices

• Networks have a mix of private and public IP addresses• Firewalls prevent end-to-end connectivity• Users and applications becoming more mobile

• Developers implement custom solutions• Application development is restricted and expensive• Use client/server model rather than peer connectivity• Complicated workarounds and manual configuration

• IT and network administrators engineer expensive point solutions• Deploy specialized relays and gateways to enable communication

between applications and/or computers

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IPv6 Addresses These Challenges

• Enables end-to-end connectivity• More public addresses worldwide• Improved allocation for ISPs to provision many public

addresses• Eliminates need for NATs and private addresses• Restores connectivity as appropriate

• Security for end-to-end trustworthy networking• Temporary addresses provide privacy across multiple

sessions• Authenticated, authorized, tamper proof, private

Communication• IPSec enables host-based authentication and security at

the IP layer to augment edge-based security or obscurity

• Mobile• No need for additional infrastructure or server-side routing

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Misconceptions About IPv6

• IPv6 security concepts are vastly different from current practices

• Reasons for IPv6 have been eliminated by the development of NATs

• Requires a wholesale network upgrade from the current network infrastructure

Businesses Taking a “Wait-and-See” Attitude – Until Now…

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IPv6: Where is the Market Today?

• “In 2005, all Sony products will be IPv6-enabled.”• – Mario Tokoro, Corp Exec VP, Sony Corp, March 2003

• Customers• Noticeable increased interest in IPv6 in over the past 3 months• Department of Defense

• Announced IPv6 migration starting in Oct 2003, completing in 2008

• Independent hardware vendors• Hardware vendors have the most-complete solutions• Routers with v6 – Hitachi, NEC, Fujitsu, Juniper, Cisco, Foundry• Infrastructure

• Firewalls – CheckPoint, NetScreen• Co-existence tunneling technologies available

• 6to4, ISATAP, Teredo• Devices – Nokia Communicator, Ericsson Bluetooth phone

• Independent software vendors• OS support available – Microsoft, Apple, Novell, SCO, Sun, Linux, BSD, etc.• Applications – Emerging

• Network service providers• Commercial services in Europe, Asia - NTT• Trails in Asia – Japan Telecom, KDDI, JENS, Chita, AboveNet Japan, KPN; Australia

– Telstra; U.S. – Verio• R&D underway for mobile carriers worldwide

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Moving From v4 to v6

Deployment Method Description

Deployment Requirement

Relative Cost

Today’s Availability

Option A

Independently deploy IPv6-based consumer and knowledge worker applications

IPv6-enabled applications, hosted Teredo service

~0IPv6-enabled applications are limited

Option B

Deploy transition technologies into existing v4 infrastructure

ISATAP, 6to4 $$HW & SW support

available

Option C

Dual-stackInfrastructure upgrade

$$$HW support

available

Option D

Native IPv6IPv6 connectivity

$$$$

Connectivity is available in

Asia & Europe,

limited in U.S.

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IPV6 Transition Technology Overview

• 6to4 tunneling• Provides IPv6 connectivity over the public IPv4 Internet• IPv6 traffic tunneled within IPv4• 6to4 addresses can be provided by routers, home gateway

devices, Windows ICS or by the host itself• ISATAP

• Provides IPv6 connectivity over IPv4 intranets• IPv6 tunneled within IPv4• Provides corporations with a central location to provision IPv6

addresses to IPv4 hosts• Can serve as a router between native IPv6 hosts and ISATAP

tunneled IPv6 users• Teredo

• Provides IPv6 connectivity when clients are behind a IPv4 NAT• IPv6 tunneled over UDP/IPv4• Runs only in unmanaged networks today• Uses servers to facilitate the creation of global IPv6 addresses

for Teredo clients

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v4/v6 Co-Existence Strategy

v4 Internet

NAT

v66to4

v6

v4+ISATAP Enterprise

6to4 v6 Enterprise

ISATAP Router6to4 Router

ISATAP Router6to4 Router 6to4 Router

6to4 Router

6to4 RelayISATAP

Teredo Relay

6to4 RelayISATAP

Teredo Relay

v6

v6

NAT

Native v6 Enterprise6to4 Relay

6to4 Relay

v66to4 IDG

6to4 IDG

Teredo

v4 Enterprise V4-v6 Dual

Stack Enterprise

v6 Internet

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Deploying IPv6 With Windows

• Multiple techniques are required to cover all deployment scenarios

• Microsoft is shipping automatic transition technologies today• Windows 2003 Server with ISATAP

• Provides centralized deployment of IPv6 connectivity throughout corporate network

• Windows XP SP1• Native, ISATAP and 6to4 connectivity• 6to4 and Teredo for unmanaged networks

• Simple installation and configuration to enable basic deployment

• Microsoft is working with network equipment providers to support these technologies in their hardware

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Microsoft IPv6 Status• Operating system support

• Windows® XP SP1 and Windows Server 2003• Windows CE .NET, Pocket PC (2003), Windows Embedded SP1• Windows XP Advanced Networking Pack – IPv6 NAT traversal

(Teredo), IPv6 host firewall

• Developer support• Peer-to-peer SDK• Winsock, HTTP, RPC, DPlay• Visual Studio® & .Net Framework, DCOM• IPv6 application porting tools and guidelines

• Applications support• IIS 6.0, IE 6.0, Windows Media Server & Client, File Sharing

(Windows 2003), DNS Server (client on Windows 2003)• MSN Messenger file sharing • 3 Degrees www.threedegrees.com

• Built on P2P SDK and requires IPv6 connectivity

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Microsoft IPv6 Deployment

Native v6 indicated by circles• Also in Cambridge, U.K.

ISATAP available in all buildings and all locations

• Native and ISATAP can communicate via ISATAP routers

• Microsoft publicly hosts Teredo servers on the Internet

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Microsoft IPv6 Roadmap

Now Next Future

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•Developers:•Peer to peer applications for consumers

•Developers:•Peer to peer collaborative applications for knowledge workers

•Developers:•Peer to peer and all core infrastructure

•Enterprise connectivity•Anywhere access•Remote management•Mobility

•Client based transition:•6to4, Teredo NAT Traversal

•Public Teredo service

•Centralized transition:•ISATAP/Teredo server

•Client based transition, now +:

•Firewall Traversal•Full IPSec

•IPv6 Home gateways•6to4/Teredo relay

•Centralized transition :•ISATAP/Teredo server

•Native adoption:•Dual stack•6to4

•IPv6 Home gateways•6to4/Teredo/NativeD

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IPv6 Partnerships• Microsoft staff

• Communicate the IPv6 message• Identify qualified customers• Help IPv6 team to connect and

engage dialogue with customers• Provide feedback to the IPv6

team• Become a Microsoft IPv6 expert

• Developers• Investigate peer-to-peer and

IPv6 as components for new development

• Develop IP-agnostic applications using new APIs

• Augment existing solutions with new capabilities

• Enterprises• Deploy IPSec• Deploy transition technologies• Use IPv6-enabled equipment and

applications for new deployments• Reduce/Remove NATs• Do not blindly block IPv6 traffic

• Service providers, carriers• Deploy transition technologies• Reduce/Remove NATs• Use IPv6-enabled equipment for

new deployments• Conduct native v6 trials and

provide native v6 connectivity• Require IPv6 capability for new

RFPs

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Key Message: Don’t Wait

• Native IPv6 environment is NOT a prerequisite for achieving v6 benefits

• Application developers can use IPv6 NOW

• IPv4 will exist for a long time• Tunneling technologies enable IPv4

and IPv6 to co-exist

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IPv6 Developer Support

• “IPv6 Guide for Windows Sockets Applications”http://msdn.microsoft.com/library/default.asp?url=/library/en-us/

winsock/winsock/ipv6_guide_for_windows_sockets_applications_2.asp

• Topics covered• Changing data structures• Function calls• Use of hard-coded IPv4 addresses• User interface issues• Underlying protocols

• Utility for IPv6-compliance• Checkv4

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Tools and Resources• Tools:

• All standard command-line utilities support IPv6 (Ping, TraceRT etc.)

• NetSh – all IPv6, ISATAP configuration options• SMS Network Monitor

• Resources:• “Understanding IPv6” book by Joseph Davies

• MSPress; ISBN 0-7356-1245-5• Microsoft.com IPv6 site

• http://www.microsoft.com/ipv6 • IPv6/IPv4 coexistence and migration whitepaper

• http://www.microsoft.com/windowsserver2003/technologies/ipv6/ipv6coexist.mspx

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More Information on IPv6

• Send feedback on Microsoft IPv6 implementations:• ipv6-fb@microsoft.com

• Key IETF standards information:• Microsoft supports (by RFC)

• http://www.microsoft.com/windowsserver2003/technologies/ipv6/ipv6rfc.mspx

• IPv6 specification (ipngwg)• RFC 2460, 2463. 2373 - IPv6 protocol

ftp://ftp.isi.edu/in-notes/rfc2460.txt & 2463.txt & 2373.txt,

• IPv6 transition tools (ngtrans/v6ops)• RFC 3056 - Connection of IPv6 Domains via IPv4 Clouds (6to4)

ftp://ftp.isi.edu/in-notes/rfc3056.txt • Internet Draft - Tunneling IPv6 over UDP through NATs (Teredo)

http://www.ietf.org/internet-drafts/draft-huitema-v6ops-teredo-00.txt

• Internet Draft - Intra-Site Automatic Tunnel Addressing Protocol (ISATAP) ftp://ftp.isi.edu/internet-drafts/draft-ietf-ngtrans-isatap-05.txt