IP Version 6 Addressing Architecture
draft-ietf-6man-rfc4291bis-08
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2017-06-20
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draft-hinden-6man-rfc4291bis
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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: December 22, 2017 June 20, 2017
IP Version 6 Addressing Architecture
draft-ietf-6man-rfc4291bis-08
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
Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
This Internet-Draft will expire on December 22, 2017.
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 December 22, 2017 [Page 1]
Internet-Draft IPv6 Addressing Architecture June 2017
to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
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
material may not have granted the IETF Trust the right to allow
modifications of such material outside the IETF Standards Process.
Without obtaining an adequate license from the person(s) controlling
the copyright in such materials, this document may not be modified
outside the IETF Standards Process, and derivative works of it may
not be created outside the IETF Standards Process, except to format
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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