Updates to Special-Purpose IP Address Registries
draft-bchv-rfc6890bis-07

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Last updated 2017-05-02
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Network Working Group                                          R. Bonica
Internet-Draft                                          Juniper Networks
Updates: 6890 (if approved)                                    M. Cotton
Intended status: Best Current Practice                             ICANN
Expires: November 3, 2017                                    B. Haberman
                                                Johns Hopkins University
                                                               L. Vegoda
                                                                   ICANN
                                                             May 2, 2017

            Updates to Special-Purpose IP Address Registries
                        draft-bchv-rfc6890bis-07

Abstract

   This memo updates the IANA IPv4 and IPv6 Special-Purpose Address
   Registries to address issues raised by the definition of a "global"
   prefix.  It also corrects several errors in registry entries to
   ensure the integrity of the IANA Special-Purpose Address Registries.

   This memo updates RFC 6890.

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 November 3, 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

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Internet-Draft     Special Purpose Address Registries           May 2017

   publication of this document.  Please review these documents
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   3
     2.1.  Definition of Global  . . . . . . . . . . . . . . . . . .   3
     2.2.  Updates to the IPv4 Special-Purpose Address Registry  . .   3
     2.3.  Updates to the IPv6 Special-Purpose Address Registry  . .   3
   3.  Security Considerations . . . . . . . . . . . . . . . . . . .   4
   4.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .   4
   5.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   4
     5.1.  Normative References  . . . . . . . . . . . . . . . . . .   4
     5.2.  Informative References  . . . . . . . . . . . . . . . . .   4
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   5

1.  Introduction

   In order to support new protocols and practices, the IETF
   occasionally reserves an address block for a special purpose.  For
   example, [RFC1122] reserves an IPv4 address block (0.0.0.0/8) to
   represent the local (i.e., "this") network.  Likewise, [RFC4291]
   reserves an IPv6 address block (fe80::/10) to represent link-scoped
   unicast addresses.

   Several issues have been raised with the documentation of some of the
   special-purpose address blocks in [RFC6890].  Specifically, the
   definition of "global" provided in [RFC6890] was misleading as it
   slightly differed from the generally accepted definition of "global
   scope" (i.e., the ability to forward beyond the boundaries of an
   administrative domain, described as "global unicast" in the IPv6
   addressing architecture [RFC4291]).

   This memo updates the definition of "global" from [RFC6890] for the
   IPv4 and IPv6 Special-Purpose Address Registries, augments the fields
   contained within the registries in order to address the confusion
   raised by the definition of "global", and corrects some errors in
   some of the entries in the Special-Purpose Address Registries.

   This memo updates [RFC6890].

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