ETSI TR 101 338 V1.1.6 (2000-07) Technical Report
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ETSI TR 101 338 V1.1.6 (2000-07) Technical Report Telecommunications and Internet Protocol Harmonization Over Networks (TIPHON); Analysis of existing roaming techniques applicable to TIPHON mobility services 2 ETSI TR 101 338 V1.1.6 (2000-07) Reference DTR/TIPHON-07001 Keywords internet, network, protocol, roaming, telephony ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.:+33492944200 Fax:+33493654716 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). 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ETSI 3 ETSI TR 101 338 V1.1.6 (2000-07) Contents Intellectual Property Rights................................................................................................................................5 Foreword ............................................................................................................................................................5 1 Scope........................................................................................................................................................6 2 References................................................................................................................................................6 3 Definitions and abbreviations ..................................................................................................................8 3.1 Definitions..........................................................................................................................................................8 3.2 Abbreviations ...................................................................................................................................................10 4 Overview of TIPHON mobility..............................................................................................................12 4.1 Definition of the TIPHON mobility service .....................................................................................................13 4.2 Mobility Management using a Layered Architecture .......................................................................................13 4.2.1 Physical layer and link layer .......................................................................................................................13 4.2.2 IP network layer and transport layer ...........................................................................................................13 4.2.3 Applications layer.......................................................................................................................................14 4.2.3.1 Basic conversational voice applications and multimedia applications ..................................................14 4.2.3.2 Other Applications ................................................................................................................................14 4.2.4 Wireless Access and VoIP..........................................................................................................................14 5 Roaming technologies............................................................................................................................15 5.1 Global System for Mobile communications (GSM) .........................................................................................15 5.1.1 GSM location update ..................................................................................................................................15 5.1.2 GSM Call Routing ......................................................................................................................................16 5.1.2.1 Routing within a PLMN ........................................................................................................................16 5.1.2.2 Call routing for an inter-network roaming subscriber ...........................................................................16 5.1.2.3 Support of Optimal Routing..................................................................................................................16 5.2 US cellular system (ANSI-41)..........................................................................................................................16 5.3 UMTS - Third Generation Partnership Project (3GPP)....................................................................................18 5.3.1 UMTS PHASE-1 3GPP Release 99............................................................................................................18 5.3.1.1 UMTS Call-Unrelated Mobility............................................................................................................20 5.3.1.2 UMTS Call-related Mobility.................................................................................................................21 5.3.2 UMTS Packet-Switched Domain Architecture ...........................................................................................22 5.3.2.1 The IuPS Interface ..................................................................................................................................22 5.3.2.2 The IuPS interface control plane.............................................................................................................22 5.3.3 Using GPRS Gn Interface within UMTS....................................................................................................22 5.3.4 Use of Mobile IP within UMTS..................................................................................................................23 5.3.5 UMTS Open Service Architecture..............................................................................................................23 5.4 IMT 2000 .........................................................................................................................................................24 5.4.1 IMT 2000 Global roaming..........................................................................................................................24 5.4.2 IMT-2000 Virtual Home Environment .......................................................................................................25 5.5 Universal Personal Telecommunication (UPT)................................................................................................25 5.6 Cellular Digital Packet (CDPD) .......................................................................................................................26 5.7 General Packet Radio Service (GPRS).............................................................................................................27 5.7.1 GSM/GPRS ................................................................................................................................................27 5.7.1.1 GPRS Mobility Elements: SGSN, GGSN, VLR and HLR....................................................................27 5.7.1.2 GPRS Registration and Context Activation Procedures........................................................................28 5.7.1.3 GPRS Mobility Management ................................................................................................................29 5.7.1.4 GPRS Analysis and Comments .............................................................................................................29 5.8 ANSI (IS-136)/GPRS.......................................................................................................................................30 5.9 Mobility and roaming in datacom networks .....................................................................................................31 5.9.1 Mobile IPv4 ................................................................................................................................................31 5.9.2 Mobile IPv6 ................................................................................................................................................32 5.9.3 Network Access Identifier ..........................................................................................................................33 5.9.4 Session Initiation Protocol..........................................................................................................................34 5.10 H.323 Mobility.................................................................................................................................................34 ETSI 4 ETSI TR