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TS 102 261 V1.1.1 (2003-09) Technical Specification

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TS 102 261 V1.1.1 (2003-09) Technical Specification ETSI TS 102 261 V1.1.1 (2003-09) Technical Specification Open Network Services and Architecture (ONSA); Abstract architecture and reference points definition; Mapping of functional architectures and requirements for NGN 2 ETSI TS 102 261 V1.1.1 (2003-09) Reference DTS/SPAN-140006 Keywords architecture, configuration, functional, internet, network, protocol, telephony, VoIP ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N° 348 623 562 00017 - NAF 742 C Association à but non lucratif enregistrée à la Sous-Préfecture de Grasse (06) N° 7803/88 Important notice Individual copies of the present document can be downloaded from: http://www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at http://portal.etsi.org/tb/status/status.asp If you find errors in the present document, send your comment to: [email protected] Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. © European Telecommunications Standards Institute 2003. All rights reserved. DECTTM, PLUGTESTSTM and UMTSTM are Trade Marks of ETSI registered for the benefit of its Members. TIPHONTM and the TIPHON logo are Trade Marks currently being registered by ETSI for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. ETSI 3 ETSI TS 102 261 V1.1.1 (2003-09) Contents Intellectual Property Rights................................................................................................................................7 Foreword.............................................................................................................................................................7 Introduction ........................................................................................................................................................7 1 Scope ........................................................................................................................................................8 2 References ................................................................................................................................................8 3 Definitions and abbreviations.................................................................................................................11 3.1 Definitions........................................................................................................................................................11 3.2 Abbreviations ...................................................................................................................................................16 4 Basic concepts........................................................................................................................................18 4.1 Overview of the NGN project 1 study..............................................................................................................18 4.2 Functional planes..............................................................................................................................................19 4.3 Domains and functional groups........................................................................................................................20 4.4 Functional decomposition of the IP control plane............................................................................................22 5 Overview of the UMTS architecture......................................................................................................22 5.1 The Core Network (CN) entities ......................................................................................................................22 5.1.1 Entities common to the PS and CS domains...............................................................................................22 5.1.1.1 The Home Subscriber Server (HSS) .....................................................................................................22 5.1.1.1.1 The Home Location Register (HLR) ...............................................................................................23 5.1.1.1.2 The Authentication Centre (AuC) ...................................................................................................23 5.1.1.1.3 HSS logical functions......................................................................................................................24 5.1.2 Entities of the CS domain ...........................................................................................................................25 5.1.3 Entities of the PS domain............................................................................................................................25 5.1.3.1 Serving GPRS Support Node (SGSN) ..................................................................................................25 5.1.3.2 Gateway GPRS Support Node (GGSN)................................................................................................26 5.1.3.3 Border Gateway (BG) ...........................................................................................................................26 5.2 The Mobile Station (MS) .................................................................................................................................26 5.3 IP based Multimedia (IM) Core Network (CN) Subsystem entities.................................................................26 5.3.1 Call Session Control Function (CSCF).......................................................................................................26 5.3.2 Media Gateway Control Function (MGCF)................................................................................................26 5.3.3 IP based Multimedia - Media Gateway Function (IM-MGW) ...................................................................27 5.3.4 Multimedia Resource Function Controller (MRFC)...................................................................................27 5.3.5 Multimedia Resource Function Processor (MRFP) ....................................................................................27 5.3.6 Subscription Locator Function (SLF) .........................................................................................................27 5.3.7 Breakout Gateway Control Function (BGCF) ............................................................................................27 5.3.8 Application Server (AS) .............................................................................................................................28 5.4 Signalling Gateway Function (SGW)...............................................................................................................28 5.5 IP related UMTS architectural configuration ...................................................................................................28 5.5.1 Configuration of IM Subsystem entities .....................................................................................................28 5.5.2 Configuration of signalling gateway function ............................................................................................30 5.6 PLMN basic interfaces and reference points....................................................................................................30 5.6.1 Interfaces internal to the Core Network......................................................................................................30 5.6.1.1 Interfaces internal to the PS domain......................................................................................................31 5.6.1.1.1 Interface between SGSN and HLR (Gr-interface)...........................................................................31 5.6.1.1.2 Interface between SGSN and GGSN (Gn- and Gp-interface) .........................................................31 5.6.1.1.3 Signalling Path between GGSN and HLR (Gc-interface) ...............................................................31 5.6.1.1.4 Interface between SGSN and EIR (Gf-interface) ............................................................................31 5.6.2 IM Subsystem reference points...................................................................................................................31 5.6.2.1 Reference Point HSS - CSCF (Cx Reference Point) .............................................................................31 5.6.2.2 Reference Point CSCF - UE (Gm Reference Point)..............................................................................32 5.6.2.3 Reference Point MGCF - IM-MGW (Mc Reference Point)..................................................................32 5.6.2.4 Reference Point MGCF - CSCF (Mg Reference Point) ........................................................................32 5.6.2.5 Reference
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