RFC 2373 (rfc2373) - Page 1 of 26
IP Version 6 Addressing Architecture
Alternative Format: Original Text Document
Network Working Group R. Hinden
Request for Comments: 2373 Nokia
Obsoletes: 1884 S. Deering
Category: Standards Track Cisco Systems
July 1998
IP Version 6 Addressing Architecture
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 specification defines the addressing architecture of the IP
Version 6 protocol [IPV6]. The document includes the IPv6 addressing
model, text representations of IPv6 addresses, definition of IPv6
unicast addresses, anycast addresses, and multicast addresses, and an
IPv6 node's required addresses.
Table of Contents
1. Introduction.................................................2
2. IPv6 Addressing..............................................2
2.1 Addressing Model.........................................3
2.2 Text Representation of Addresses.........................3
2.3 Text Representation of Address Prefixes..................5
2.4 Address Type Representation..............................6
2.5 Unicast Addresses........................................7
2.5.1 Interface Identifiers................................8
2.5.2 The Unspecified Address..............................9
2.5.3 The Loopback Address.................................9
2.5.4 IPv6 Addresses with Embedded IPv4 Addresses.........10
2.5.5 NSAP Addresses......................................10
2.5.6 IPX Addresses.......................................10
2.5.7 Aggregatable Global Unicast Addresses...............11
2.5.8 Local-use IPv6 Unicast Addresses....................11
2.6 Anycast Addresses.......................................12
2.6.1 Required Anycast Address............................13
2.7 Multicast Addresses.....................................14
Hinden & Deering Standards Track