Multiple IPv4 address and port number - IPv6 address mapping encapsulation (M4P6E)
draft-matsuhira-m4p6e-08
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Naoki Matsuhira
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2020-06-03
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Network Working Group N. Matsuhira
Internet-Draft Fujitsu Limited
Intended status: Informational June 3, 2020
Expires: December 5, 2020
Multiple IPv4 address and port number - IPv6 address mapping
encapsulation (M4P6E)
draft-matsuhira-m4p6e-08
Abstract
This document specifies Multiple IPv4 address and port number - IPv6
address mapping encapulation (M4P6E) specification.
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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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 5, 2020.
Copyright Notice
Copyright (c) 2020 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
Matsuhira Expires December 5, 2020 [Page 1]
Internet-Draft M4P6E June 2020
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 . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Architecture of M4P6E . . . . . . . . . . . . . . . . . . . . . 3
3. M4P6E address format . . . . . . . . . . . . . . . . . . . . . 3
4. Using M4P6E in client server environments . . . . . . . . . . . 4
4.1. Client environments . . . . . . . . . . . . . . . . . . . . 4
4.2. Server environments . . . . . . . . . . . . . . . . . . . . 5
4.3. Data Center Environments . . . . . . . . . . . . . . . . . 5
5. Port Number Issue . . . . . . . . . . . . . . . . . . . . . . . 6
6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 6
7. Security Considerations . . . . . . . . . . . . . . . . . . . . 7
8. References . . . . . . . . . . . . . . . . . . . . . . . . . . 7
8.1. Normative References . . . . . . . . . . . . . . . . . . . 7
8.2. References . . . . . . . . . . . . . . . . . . . . . . . . 7
Author's Address . . . . . . . . . . . . . . . . . . . . . . . . . 7
Matsuhira Expires December 5, 2020 [Page 2]
Internet-Draft M4P6E June 2020
1. Introduction
This document provides Multiple IPv4 address and port number - IPv6
address mapping encapulation (M4P6E) base specification.
M4P6E provide IPv4 address sharing function without Network Address
Translation (NAT [RFC1631]). M4P6E require IPv6 network.
2. Architecture of M4P6E
Figure 1 shows M4P6E address architecture. M4P6E address consists
four parts, M4P6E prefix, IPv4 network plane ID, IPv4 address, and
Port number.
| | | | |
| 80 - m bits | m bits | 32 bits | 16 bits |
+----------------------+----------------+----------------+----:----+
| M4P6E prefix | IPv4 network | IPv4 address | port |
| | plane ID | | number |
+----------------------+----------------+----------------+----:----+
|<--------------- Locator (128 -n bits )-------------------->:<-->|
| : ID |
| (n bits)
Figure 1
In M4P6E, boundary of locator and identifier is in port number part,
that mean, M4P6E use upper part of port number as locator, and lower
part of port number as identifier.
3. M4P6E address format
Figure 2 show a example of M4P6E address format. In this example,
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