RFC 2163 (rfc2163) - Page 1 of 26

Using the Internet DNS to Distribute MIXER Conformant Global Address Mapping (MCGAM)

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Network Working Group                                       C. Allocchio
Request for Comments: 2163                                    GARR-Italy
Obsoletes: 1664                                             January 1998
Category: Standards Track


                  Using the Internet DNS to Distribute
            MIXER Conformant Global Address Mapping (MCGAM)

Status of this Memo

   This document specifies an Internet standards track protocol for the
   Internet community, and requests discussion and suggestions for
   improvements.  Please refer to the current edition of the "Internet
   Official Protocol Standards" (STD 1) for the standardization state
   and status of this protocol.  Distribution of this memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (1998).  All Rights Reserved.

Abstract

   This memo is the complete technical specification to store in the
   Internet Domain Name System (DNS) the mapping information (MCGAM)
   needed by MIXER conformant e-mail gateways and other tools to map
   RFC 822 domain names into X.400 O/R names and vice versa.  Mapping
   information can be managed in a distributed rather than a centralised
   way. Organizations can publish their MIXER mapping or preferred
   gateway routing information using just local resources (their local
   DNS server), avoiding the need for a strong coordination with any
   centralised organization. MIXER conformant gateways and tools located
   on Internet hosts can retrieve the mapping information querying the
   DNS instead of having fixed tables which need to be centrally updated
   and distributed.

   This memo obsoletes RFC 1664. It includes the changes introduced by
   MIXER specification with respect to RFC 1327: the new 'gate1' (O/R
   addresses to domain) table is fully supported. Full backward
   compatibility with RFC 1664 specification is mantained, too.

   RFC 1664 was a joint effort of IETF X400 operation working group
   (x400ops) and TERENA (formely named "RARE") Mail and Messaging
   working group (WG-MSG). This update was performed by the IETF MIXER
   working group.






Allocchio                   Standards Track
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