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Internet Protocol, Version 6 (IPv6) Specification (RFC2460)

IP.com Disclosure Number: IPCOM000003039D
Original Publication Date: 1998-Dec-01
Included in the Prior Art Database: 2000-Sep-13
Document File: 29 page(s) / 79K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

S. Deering: AUTHOR [+2]

Abstract

This document specifies version 6 of the Internet Protocol (IPv6), also sometimes referred to as IP Next Generation or IPng.

This text was extracted from a ASCII Text document.
This is the abbreviated version, containing approximately 4% of the total text.

Network Working Group S. Deering

Request for Comments: 2460 Cisco

Obsoletes: 1883 R. Hinden

Category: Standards Track Nokia

December 1998

Internet Protocol, Version 6 (IPv6)

Specification

Status of this Memo

This document specifies an Internet standards track protocol for the

Internet community, and requests discussion and suggestions for

improvements. Please refer to the current edition of the "Internet

Official Protocol Standards" (STD 1) for the standardization state

and status of this protocol. Distribution of this memo is unlimited.

Copyright Notice

Copyright (C) The Internet Society (1998). All Rights Reserved.

Abstract

This document specifies version 6 of the Internet Protocol (IPv6),

also sometimes referred to as IP Next Generation or IPng.

Table of Contents

1. Introduction..................................................2

2. Terminology...................................................3

3. IPv6 Header Format............................................4

4. IPv6 Extension Headers........................................6

4.1 Extension Header Order...................................7

4.2 Options..................................................9

4.3 Hop-by-Hop Options Header...............................11

4.4 Routing Header..........................................12

4.5 Fragment Header.........................................18

4.6 Destination Options Header..............................23

4.7 No Next Header..........................................24

5. Packet Size Issues...........................................24

6. Flow Labels..................................................25

7. Traffic Classes..............................................25

8. Upper-Layer Protocol Issues..................................27

8.1 Upper-Layer Checksums...................................27

8.2 Maximum Packet Lifetime.................................28

8.3 Maximum Upper-Layer Payload Size........................28

8.4 Responding to Packets Carrying Routing Headers..........29

Appendix A. Semantics and Usage of the Flow Label Field.........30

Appendix B. Formatting Guidelines for Options...................32

Security Considerations.........................................35

Acknowledgments.................................................35

Authors' Addresses..............................................35

References......................................................35

Changes Since RFC-1883..........................................36

Full Copyright Statement........................................39

1. Introduction

IP version 6 (IPv6) is a new version of the Internet Protoc...