An IPv6 stateless interface identifier generation method based on geographic location coding
draft-zhang-6man-ipv6-geoiid-01

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Last updated 2019-09-23
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IPv6 maintenance Working Group (6man)                          Pei Zhang
INTERNET-DRAFT        Beijing University of Posts and Telecommunications
Intended Status: Standards Track                            Qianli Zhang
Expires: March 27, 2020                              Tsinghua University
                                                               Dandan Li
                      Beijing University of Posts and Telecommunications
                                                                  Yan Ma
                      Beijing University of Posts and Telecommunications
                                                                 Kun Xie
                      Beijing University of Posts and Telecommunications
                                                      September 24, 2019

        An IPv6 stateless interface identifier generation method
                  based on geographic location coding
                    draft-zhang-6man-ipv6-geoiid-01

Abstract

   This document describes how to generate a stateless IPv6 host
   interface identifier based on host geographic location information.
   This method can guarantee the uniqueness and stability of the address
   generated within a certain geographical range. The method is similar
   to mechanism introduced in RFC 7217, but remains stable within an
   adjustable geographical area.

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 March 27, 2020.

Copyright and License Notice

   Copyright (c) 2019 IETF Trust and the persons identified as the
 

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   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
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
   2.  Algorithm Specification  . . . . . . . . . . . . . . . . . . .  3
   3.  Security Considerations  . . . . . . . . . . . . . . . . . . .  5
   4.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . .  5
   5.  Normative References . . . . . . . . . . . . . . . . . . . . .  5
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . .  6

 

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1.  Introduction

   [RFC4862] specifies Stateless Address Autoconfiguration (SLAAC) for
   IPv6 [RFC8200], "stable" addresses would not change in the same
   network defined by a network prefix advertised by a local router.
   There are various IPv6 Interface Identifier (IID) generating schemes
   like  EUI-64 [RFC4291], Cryptographically Generated Addresses (CGAs)
   [RFC3972] and Semantically Opaque Interface Identifiers [RFC7217].
   [RFC8064] recommends using the mechanism specified in RFC 7217 to
   generate stable IPv6 Interface Identifier.

   In some situations, it is desirable to generate stable IID in a
   specific geographical area, which is usually larger than a network
   defined by one network prefix. For example, multihomed site may
   configure the same IID with different prefixes to simplify network
   management. An organization may also hope clients have the same IID
   within a specific geographical area even if network prefix is
   different.

   This document specifies a method to generate Interface Identifiers
   that are stable for each network interface within a specific
   geographical area, while still remain semantically opaque: like
   scheme proposed in RFC 7217, it is infeasible to extract geographical
   information from IIDs generated by this scheme.
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