IP Version 6 Addressing Architecture
draft-ietf-6man-rfc4291bis-09

Document Type Active Internet-Draft (6man WG)
Last updated 2017-07-03
Replaces draft-hinden-6man-rfc4291bis
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Intended RFC status Internet Standard
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Network Working Group                                          R. Hinden
Internet-Draft                                      Check Point Software
Obsoletes: 4291 (if approved)                                 S. Deering
Intended status: Standards Track                                 Retired
Expires: January 4, 2018                                    July 3, 2017

                  IP Version 6 Addressing Architecture
                     draft-ietf-6man-rfc4291bis-09

Abstract

   This specification defines the addressing architecture of the IP
   Version 6 (IPv6) protocol.  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.

   This document obsoletes RFC 4291, "IP Version 6 Addressing
   Architecture".

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on January 4, 2018.

Copyright Notice

   Copyright (c) 2017 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect

Hinden & Deering         Expires January 4, 2018                [Page 1]
Internet-Draft        IPv6 Addressing Architecture             July 2017

   to this document.  Code Components extracted from this document must
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   described in the Simplified BSD License.

   This document may contain material from IETF Documents or IETF
   Contributions published or made publicly available before November
   10, 2008.  The person(s) controlling the copyright in some of this
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   it for publication as an RFC or to translate it into languages other
   than English.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  IPv6 Addressing . . . . . . . . . . . . . . . . . . . . . . .   3
     2.1.  Addressing Model  . . . . . . . . . . . . . . . . . . . .   4
     2.2.  Text Representation of IPv6 Addresses . . . . . . . . . .   4
       2.2.1.  Text Representation of Addresses  . . . . . . . . . .   4
       2.2.2.  Text Representation of Address Prefixes . . . . . . .   6
       2.2.3.  Recommendation for outputting IPv6 addresses  . . . .   7
     2.3.  Address Type Identification . . . . . . . . . . . . . . .   9
     2.4.  Unicast Addresses . . . . . . . . . . . . . . . . . . . .  10
       2.4.1.  Interface Identifiers . . . . . . . . . . . . . . . .  11
       2.4.2.  The Unspecified Address . . . . . . . . . . . . . . .  12
       2.4.3.  The Loopback Address  . . . . . . . . . . . . . . . .  12
       2.4.4.  Global Unicast Addresses  . . . . . . . . . . . . . .  13
       2.4.5.  IPv6 Addresses with Embedded IPv4 Addresses . . . . .  13
         2.4.5.1.  IPv4-Compatible IPv6 Address  . . . . . . . . . .  13
         2.4.5.2.  IPv4-Mapped IPv6 Address  . . . . . . . . . . . .  14
       2.4.6.  Link-Local IPv6 Unicast Addresses . . . . . . . . . .  14
       2.4.7.  Other Local Unicast IPv6 Addresses  . . . . . . . . .  14
     2.5.  Anycast Addresses . . . . . . . . . . . . . . . . . . . .  15
       2.5.1.  Required Anycast Address  . . . . . . . . . . . . . .  15
     2.6.  Multicast Addresses . . . . . . . . . . . . . . . . . . .  16
       2.6.1.  Pre-Defined Multicast Addresses . . . . . . . . . . .  19
     2.7.  A Node's Required Addresses . . . . . . . . . . . . . . .  20
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