Ipv6 transition technologies

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IPv6 Transition Technologies

Microsoft Corporation

Published: October 2003

Updated: February 2008

Abstract

The migration of Internet Protocol version 4 (IPv4) to Internet Protocol version 6 (IPv6) will not happen overnight. There will be a period of transition when both protocols are in use over the same infrastructure. To address this transition period, the designers ofIPv6 have created technologies and address types so that IPv6 nodes can communicate with each other in a mixed environment, even if they are separated by an IPv4-only infrastructure. This white paper describes the IPv6 transition technologies that are supported by the IPv6 protocol for Microsoft® Windows Server® 2008 and Windows Vista™. This white paper is intended for network engineers and supportprofessionals who are already familiar with basic networking concepts, TCP/IP, and IPv6.

The information contained in this document represents the current view of Microsoft Corporation on the issues discussed as of the date of publication. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part ofMicrosoft, and Microsoft cannot guarantee the accuracy of any information presented after the date of publication.

This White Paper is for informational purposes only. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS DOCUMENT.

Complying with all applicable copyright laws is the responsibilityof the user. Without limiting the rights under copyright, no part of this document may be reproduced, stored in or introduced into a retrieval system, or transmitted in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise), or for any purpose, without the express written permission of Microsoft Corporation.

Microsoft may havepatents, patent applications, trademarks, copyrights, or other intellectual property rights covering subject matter in this document. Except as expressly provided in any written license agreement from Microsoft, the furnishing of this document does not give you any license to these patents, trademarks, copyrights, or other intellectual property.

Unless otherwisenoted, the example companies, organizations, products, domain names, e-mail addresses, logos, people, places, and events depicted herein are fictitious, and no association with any real company, organization, product, domain name, email address, logo, person, place, or event is intended or should be inferred.

© 2008 Microsoft Corporation. All rights reserved.Microsoft, Windows, Windows Server, and Windows Vista are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.

The names of actual companies and products mentioned herein may be the trademarks of their respective owners.

Contents

Introduction 1

Node Types 1

TransitionMechanisms 3

Using Both IPv4 and IPv6 3

Dual IP Layer Architecture 3

Dual Stack Architecture 4

DNS Infrastructure 6

Address Records 6

Pointer Records 6

Address Selection Rules 6

IPv6 over IPv4 Tunneling 6

Tunneling Configurations 8

Router-to-Router 8

Host-to-Router and Router-to-Host 8

Host-to-Host 9

Types of Tunnels 10Configured Tunnels 10

Automatic Tunnels 10

ISATAP 12

ISATAP Components 13

Obtaining an ISATAP Prefix 14

Resolving the ISATAP Name 14

Using the netsh interface isatap set router Command 16

ISATAP Addressing Example 16

ISATAP Routing 17

Configuring an ISATAP Router 18

ISATAP Communication Examples 18

ISATAP Host to ISATAP Host 18

ISATAP Host...
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