ISO/IEC TECHNICAL REPORT TR 10021-11 First edition 1999-12-15 Information technology Message Handling Systems (MHS): MHS Routing Guide for messaging systems managers Technologies de I'information - Systemes de messagerie (MHS): Routage MHs Guide pour résponsables de systemes de messagerie Reference number ISO/IEC TR 10021-11:1999(E) E( @ISO/IEC 1999 HS under ted without license from IHS Not for Resale ISO/IEC TR 10021-11:1999(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The IsO Central Secretariat accepts no liability in this area. Adobe is a trademarkof Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below ISO/IEC1999 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 . CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.ch Published by ISO in 2000 Printed in Switzerland @ISO/IEC1999-All rightsreserved Not for Resale ISO/IEC TR 10021-11 : 1999 (E) CONTENTS Page 1 Scope .. 1 2 Normative References ... 2.1 IdenticalRecommendations IInternational Standards... 2.2 Paired Recommendations I International Standards equivalent in technical 1 3 1 3.1 MHS definitions ... 2 3.2 ASN.1 definitions.... 2 3.3 Directory definitions... 2 3.4 Presentation Service definitions. 2 3.5 MHS-routing definitions ..... 2 3.6 MHS Routing Methodology Definitions ... 3 4 Abbreviations .... 3 5 Overview 3 5.1 The role of MHS Routing. 3 5.2 Administrative Roles.... 4 5.3 The Role of the MHS Routing Standard .. 5 5.4 The advantages of using MHS Routing ... 6 6 MHS Routing Concepts. 6 6.1 Introduction 6 6.2 7 6.3 The Message Routing Problem .. 7 6.4 A Directory Solution to Message Routing ... 8 6.5 General Directory Services and Functions .... 8 6.6 MHS-Routing use of the Directory ... 9 6.7 Scenario.... 9 6.8 Routing Collectives and Connection Groups .. 10 6.9 Routing Collective Directory Representation... 12 6.10 Connection Groups... 12 6.11 Connection Group Directory Representation ... 13 6.12 OR-adress Plan... 13 6.13 OR-address plan directory representation in OR-address subtrees 13 6.14 MTA definitions ... 14 6.15 The MTA's Message Routing Proces.... 14 6.16 MHS Routing Administrative Roles .. 15 6.17 MHS Routing Administrative Tasks ... 15 6.17.1 Organizational Requirements Analysis 16 6.17.2 Design Tasks ... 16 6.17.3 Configuring the Directory..... 17 6.17.4 MTA Configuration... 20 6.17.5 MTA Initialization... 20 6.18 Prerequisites for MHS Routing .. 21 6.19 Organizational Requirements Analysis .. 21 6.20 The user community ... 22 6.21 Cultural requirements and constraints .. 22 6.22 22 6.23 22 6.24 Available Communications Infrastructure.. 23 6.25 Messaging Traffic Patterns and Volumes... 23 CopyrightInternationaiOrganizationforstandardizaohtsreseved ii No reproduction or networking permitted without license from IHS Not for Resale ISO/IEC TR 10021-11 : 1999 (E) Page 6.26 Security requirements.... 23 6.27 Specific message routing requirements or policies 23 6.28 Alternative routing capability... 23 6.