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Mapping between X.400(1984/1988) and Mail-11 (DECnet mail) (RFC1405)

IP.com Disclosure Number: IPCOM000002230D
Original Publication Date: 1993-Jan-01
Included in the Prior Art Database: 2019-Feb-10
Document File: 19 page(s) / 23K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

C. Allocchio: AUTHOR

Related Documents

10.17487/RFC1405: DOI

Abstract

This document describes a set of mappings which will enable inter working between systems operating the CCITT X.400 ( 1984 / 1988 ) Recommendations on Message Handling Systems, and systems running the Mail-11 (also known as DECnet mail) protocol. This memo defines an Experimental Protocol for the Internet community.

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 10% of the total text.

Network Working Group C. Allocchio Request for Comments: 1405 I.N.F.N. - Italy January 1993

Mapping between X.400(1984/1988) and Mail-11 (DECnet mail)

Status of this Memo

This memo defines an Experimental Protocol for the Internet community. Discussion and suggestions for improvement are requested. Please refer to the current edition of the "IAB Official Protocol Standards" for the standardization state and status of this protocol. Distribution of this memo is unlimited.

Abstract

This document describes a set of mappings which will enable inter working between systems operating the CCITT X.400 ( 1984 / 1988 ) Recommendations on Message Handling Systems, and systems running the Mail-11 (also known as DECnet mail) protocol. The specifications are valid within DECnet Phase IV addressing and routing scheme.

The complete scenario of X.400 / RFC822 / Mail-11 is also considered, in order to cover the possible complex cases arising in multiple gateway translations.

This document covers mainly the O/R address to DECnet from/to address mapping (and vice versa); other mappings are based on RFC 1327 and its eventual future updates.

This is a combined effort of COSINE S2.2, the RARE MSG Working Group, and the IETF X.400 Ops Working Group.

Chapter 1 - Introduction

1.1. X.400

The standard referred shortly into this document as "X.400" relates to the CCITT 1984 and 1988 X.400 Series Recommendations covering the Message Oriented Text Interchange Service (MOTIS). This document covers the Inter Personal Messaging System (IPMS) only.

1.2. Mail-11

Mail-11, also known as DECnet mail and often improperly referred as VMSmail, is the proprietary protocol implemented by Digital Equipment Corporation (DEC) to establish a real-time text messaging system

Allocchio [Page 1]

RFC 1405 Mail-11 Mapping January 1993

among systems implementing the DECnet Phase IV networking protocols.

1.3. RFC822

RFC822 was defined as a standard for personal messaging systems within the DARPA Internet and is now diffused on top of many different message transfer protocols, like SMTP, UUCP, BITNET, JNT Grey Book, CSnet. Its mapping with X.400 is fully described in RFC1327. In this document we will try to consider its relations with Mail-11, too.

1.4. The user community

The community using X.400 messaging system is currently growing in the whole world, but there is still a number of very large communities using Mail-11 based messaging systems willing to communicate easily with X.400 based Message Handling Systems. Among these large DECnet based networks we can include the High Energy Physics network (HEPnet) and the Space Physics Analysis Network (SPAN).

These DECnet communities will in the future possibly migrate to DECnet Phase V (DECnet-OSI) protocols, converting thus their messaging systems to OSI specifications, i.e., merging into the X.400 MHS; however the transition period could be long, and there could always be some DECnet Phase IV communities around.

For these reasons a set of mapping r...

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