Stateless Automatic IPv4 over IPv6 Encapsulation / Decapsulation Technology: Global SA46T Address Format
draft-matsuhira-sa46t-gaddr-06

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Network Working Group                                       N. Matsuhira
Internet-Draft                                           Fujitsu Limited
Intended status: Standards Track                         January 6, 2013
Expires: July 10, 2013

    Stateless Automatic IPv4 over IPv6 Encapsulation / Decapsulation
                Technology: Global SA46T Address Format
                     draft-matsuhira-sa46t-gaddr-06

Abstract

   This document proposes Stateless Automatic IPv4 over IPv6
   Encapsulation / Decapsulation Technology (SA46T) Global Address
   Format.

   SA46T can apply to organization's network individually, but if
   coordination between the organizations made, the total number of
   times of encapsulations and decapusulations can be reduced.  That
   coordination is achieved by using same SA46T address format, that is
   Global address.  This document proposes SA46T Global address format.

   SA46T is a gateway technology, not protocol.  But SA46T Global
   Address needs IANA assignment, so this document should be categorized
   standard track or experimental.

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
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   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on July 10, 2013.

Matsuhira                 Expires July 10, 2013                 [Page 1]
Internet-Draft                 SA46T gaddr                  January 2013

Copyright Notice

   Copyright (c) 2013 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
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
   2.  SA46T Global Address . . . . . . . . . . . . . . . . . . . . .  5
     2.1.  Option 1: Allocate new SA46T address prefix  . . . . . . .  5
     2.2.  Option 2: Adjustment with IPv6 address with Embedded
           IPv4 addresses . . . . . . . . . . . . . . . . . . . . . .  6
   3.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . .  8
   4.  Security Considerations  . . . . . . . . . . . . . . . . . . .  9
   5.  Acknowledgements . . . . . . . . . . . . . . . . . . . . . . .  9
   6.  References . . . . . . . . . . . . . . . . . . . . . . . . . .  9
     6.1.  Normative References . . . . . . . . . . . . . . . . . . .  9
     6.2.  Informative References . . . . . . . . . . . . . . . . . . 10
   Author's Address . . . . . . . . . . . . . . . . . . . . . . . . . 10

Matsuhira                 Expires July 10, 2013                 [Page 2]
Internet-Draft                 SA46T gaddr                  January 2013

1.  Introduction

   This document proposes Stateless Automatic IPv4 over IPv6
   Encapsulation / Decapsulation Technology (SA46T) Global Address
   Format.

   SA46T [I-D.draft-matsuhira-sa46t-spec]can apply to organization's
   network individually.  Figure 1 shows such example.  Organization A
   applies SA46T and makes backbone network to IPv6 only, and this
   operation has no effect to Organization B and others.

    <------- Organization A -------> : <------- Organization B ------->
                                     :
                        +-------+    :    +-------+
                        |Router +----:----+Router |
                        |(Dual) |    :    |(Dual) |
                        +---+---+    :    +---+---+
                            |        :        |
                        +-------+    :        |
                        | SA46T |    :        |
                        +---+---+    :        |
                            |        :        |
    /-----------------------+-----\  :  /-----+-----------------------\
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