ISO/IEC TECHNICAL REPORT TR 26927 Second edition 2011-09-01 Information technology Telecommunications and information exchange between systems Corporate telecommunication networks Mobility for enterprise communications Technologies de l'information - Teleinformatique - Réseaux de telécommunication d'entreprise Mobilite pour les communications d'entreprise Reference number ISO/IEC TR 26927:2011(E) 'so IEC @ISO/IEC2011 by IHS under ted without license from IHS Not for Resale ISO/IEC TR 26927:2011(E) COPYRIGHTPROTECTEDDOCUMENT ISO/IEC2011 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 memberbody 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 copyright@iso.org Web www.iso.org Published in Switzerland @ ISO/IEC 2011 - All rights reserved py IHS unde Not for Resale ISO/IEC TR 26927:2011(E) Contents Page Foreword Introduction. .vi 1 Scope 2 Normative references.. 3 Terms and definitions . 4 Abbreviations.. .5 5 Background. 6 Mobility types and terms .... .9 6.1 Mobility types.. 6.1.1 Terminal mobility. .9 6.1.2 User mobility... 6.1.3 Session mobility .. 10 6.1.4 Service mobility .. 6.2 Mobility across different network infrastructures 10 6.2.1 Mobility across access network technologies .... 10 6.2.2 Mobility across administrative network domains . 11 6.3 Mobility modes .. 6.3.1 Nomadic mode... 11 6.3.2 Portable mode. 11 6.3.3 Mobile mode.. 11 7 Basic functionalities to enable mobility... 12 7.1 Mobility management........ 13 7.1.1 Handover of media connections and sessions.... 7.1.2 Mobility management support for IP-networks... 15 7.2 Identity and access management... 16 7.2.1 User and terminal identification... 7.2.2 Authentication.... 17 7.2.3 Access management... 18 7.3 Devicel configuration management and policy enforcement. 18 7.4 Location management ........ 19 7.5 Reachability management. ..19 7.6 Virtual Desktop Infrastructure... 19 8 Requirements and standardization gaps .. 20 8.1 .22 8.1.1 Scenario: Hot-desking within the enterprise network (NGCN).... 23 8.1.2 Scenario: Remote access from a public network .... 23 8.2 Portable deployments....... 24 8.2.1 Scenario: Changing location of a terminal while keeping communication sessions alive....24 8.2.2 Scenario: Changing terminal while keeping communication sessions alive .... 25 8.3 Mobile deployments ..... 25 8.3.1 Scenario: Continuous connection across different public networks with the same access 8.3.2 Scenario: Continuous connection across an enterprise and a public mobile network with different access technologies.......... 9 Summary of standardization gaps.. .27 9.1 9.2 Mobility management.. .28 Copyrght International Organizaion for Standardization All rights reserved ili ted without license from IHS Not for Resale