Gap Analysis for IPv4 Sunset
draft-ietf-sunset4-gapanalysis-09

Document Type Active Internet-Draft (sunset4 WG)
Last updated 2017-08-01
Replaces draft-dionne-sunset4-v4gapanalysis
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Network Working Group                                             W. Liu
Internet-Draft                                                     W. Xu
Intended status: Informational                                   C. Zhou
Expires: January 28, 2018                            Huawei Technologies
                                                                 T. Tsou
                                                        Philips Lighting
                                                            S. Perreault
                                                     Jive Communications
                                                                  P. Fan

                                                                   R. Gu
                                                            China Mobile
                                                                  C. Xie
                                                           China Telecom
                                                                Y. Cheng
                                                            China Unicom
                                                           July 29, 2017

                      Gap Analysis for IPv4 Sunset
                   draft-ietf-sunset4-gapanalysis-09

Abstract

   Sunsetting IPv4 refers to the process of turning off IPv4
   definitively.  It can be seen as the final phase of the transition to
   IPv6.  This memo enumerates difficulties arising when sunsetting
   IPv4, and identifies the gaps requiring additional work.

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 28, 2018.

Copyright Notice

   Copyright (c) 2015 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

Liu, et al.             Expires January 28, 2018                [Page 1]
Internet-Draft          IPv4 Sunsetting Analysis               July 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.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Related Work  . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Remotely Disabling IPv4 . . . . . . . . . . . . . . . . . . .   4
     3.1.  Indicating that IPv4 connectivity is unavailable  . . . .   4
     3.2.  Disabling IPv4 in the LAN . . . . . . . . . . . . . . . .   4
   4.  Client Connection Establishment Behavior  . . . . . . . . . .   5
   5.  Disabling IPv4 in Operating System and Applications . . . . .   5
   6.  On-Demand Provisioning of IPv4 Addresses  . . . . . . . . . .   6
   7.  IPv4 Address Literals . . . . . . . . . . . . . . . . . . . .   6
   8.  Managing Router Identifiers . . . . . . . . . . . . . . . . .   7
   9.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   7
   10. Security Considerations . . . . . . . . . . . . . . . . . . .   7
   11. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .   7
   12. Informative References  . . . . . . . . . . . . . . . . . . .   7
   Annex A.  Solution Ideas  . . . . . . . . . . . . . . . . . . . .   9
     A.1.  Remotely Disabling IPv4 . . . . . . . . . . . . . . . . .   9
       A.1.1.  Indicating that IPv4 connectivity is unavailable  . .   9
       A.1.2.  Disabling IPv4 in the LAN . . . . . . . . . . . . . .   9
     A.2.  Client Connection Establishment Behavior  . . . . . . . .  10
     A.3.  Disabling IPv4 in Operating System and Applications . . .  10
     A.4.  On-Demand Provisioning of IPv4 Address. . . . . . . . . .  10
     A.5.  Managing Router Identifiers . . . . . . . . . . . . . . .  10
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  11

1.  Introduction
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