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Network Working Group                                       N. Matsuhira
Internet-Draft                                           Fujitsu Limited
Intended status: Informational                              June 1, 2019
Expires: December 3, 2019


            Multiple IPv4 - IPv6 mapped IPv6 address (M46A)
                        draft-matsuhira-m46a-06

Abstract

   This document specifies Multiple IPv4 - IPv6 mapped IPv6
   address(M46A) spefification.  M46A is IPv4 mapped IPv6 address with
   plane ID.  Unique allocation of plane id value enable IPv4 private
   address unique in IPv6 address space.  This address may use IPv4 over
   IPv6 encapsulation and IPv4 - IPv6 translation.

Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in RFC 2119 [RFC2119].

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
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   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
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   time.  It is inappropriate to use Internet-Drafts as reference
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   This Internet-Draft will expire on December 3, 2019.

Copyright Notice

   Copyright (c) 2019 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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   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
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   described in the Simplified BSD License.


Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . . . 3
   2.  M46A architecture . . . . . . . . . . . . . . . . . . . . . . . 3
   3.  IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 4
   4.  Security Considerations . . . . . . . . . . . . . . . . . . . . 4
   5.  References  . . . . . . . . . . . . . . . . . . . . . . . . . . 4
     5.1.  Normative References  . . . . . . . . . . . . . . . . . . . 4
     5.2.  References  . . . . . . . . . . . . . . . . . . . . . . . . 4
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . . . 4

































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1.  Introduction

   This document specifies Multiple IPv4 - IPv6 mapped IPv6
   address(M46A) spefification.  M46A is IPv4 mapped IPv6 address with
   plane ID.  Unique allocation of plane ID value enable IPv4 private
   address unique in IPv6 address space.

   This address may use IPv4 over IPv6 encapsulation such as Multiple
   IPv4 - IPv6 mapping encapsulation - fixed prefix (M46E-FP) M46E-FP
   [I-D.draft-matsuhira-m46e-fp], Multiple IPv4 - IPv6 mapping
   encapsulation - prefix resolution (M46E-PR)M46E-PR
   [I-D.draft-matsuhira-m46e-pr], Multiple IPv4 - IPv6 mapping
   encapsuration - prefix translator (M46E-PT)M46E-PT
   [I-D.draft-matsuhira-m46e-pt] and IPv4 - IPv6 translation such as
   Multiple IPv4 - IPv6 mapping translator (M46T)M46T
   [I-D.draft-matsuhira-m46t].


2.  M46A architecture

   Figure 1 shows M46A architecture.


    |      96 - m bits      |          m bits          |     32 bits  |
    +-----------------------+--------------------------+--------------+
    |      M46A prefix      |  IPv4 network plane ID   | IPv4 address |
    +-----------------------+--------------------------+--------------+

                                 Figure 1

   M46A consists of three parts as follows.

   M46A prefix

      M46A prefix.  This value is fixed value with M46E-FP, and non
      fixed value with M46E-PR.

   IPv4 network plane ID

      IPv4 network plane ID is network identification of IPv4 network
      plane.

   IPv4 address

      IPv4 address






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3.  IANA Considerations

   This document makes no request of IANA.

   Note to RFC Editor: this section may be removed on publication as an
   RFC.


4.  Security Considerations


5.  References

5.1.  Normative References

   [I-D.draft-matsuhira-m46e-fp]
              Matsuhira, N., "Multiple IPv4 - IPv6 mapping encapsulation
              - fixed prefix", June 2019.

   [I-D.draft-matsuhira-m46e-pr]
              Matsuhira, N., "Multiple IPv4 - IPv6 address mapping
              encapsulation - prefix resolution", June 2019.

   [I-D.draft-matsuhira-m46e-pt]
              Matsuhira, N., "Multiple IPv4 - IPv6 mapping encapsulation
              - prefix translator", June 2019.

   [I-D.draft-matsuhira-m46t]
              Matsuhira, N., "Multiple IPv4 - IPv6 maping translator",
              June 2019.

   [RFC2119]  Bradner, S., "Key words for use in RFCs to Indicate
              Requirement Levels", BCP 14, RFC 2119, DOI 10.17487/
              RFC2119, March 1997,
              <http://www.rfc-editor.org/info/rfc2119>.

5.2.  References














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Author's Address

   Naoki Matsuhira
   Fujitsu Limited
   17-25, Shinkamata 1-chome, Ota-ku
   Tokyo,   144-8588
   Japan

   Phone: +81-3-3735-1111
   Email: matsuhira@jp.fujitsu.com









































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