1、 ETSI TS 1Digital cellular telecoUniversal Mobile TelMobility between 3GPPinterwork(3GPP TS 23.3TECHNICAL SPECIFICATION123 327 V13.0.0 (2016communications system (Phaelecommunications System (LTE; -Wireless Local Area Netwoorking and 3GPP systems .327 version 13.0.0 Release 1316-01) hase 2+); (UMTS)
2、; ork (WLAN) 13) ETSI ETSI TS 123 327 V13.0.0 (2016-01)13GPP TS 23.327 version 13.0.0 Release 13Reference RTS/TSGS-0223327vd00 Keywords GSM,LTE,UMTS 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
3、C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/
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9、ned by the GSM Association. ETSI ETSI TS 123 327 V13.0.0 (2016-01)23GPP TS 23.327 version 13.0.0 Release 13Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publi
10、cly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI
11、Web server (https:/ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or m
12、ay become, essential to the present document. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or GSM identities. These sh
13、ould be interpreted as being references to the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “m
14、ay“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 123 327 V1
15、3.0.0 (2016-01)33GPP TS 23.327 version 13.0.0 Release 13Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g31 Scope 6g32 References 6g33 Definitions and Abbreviations 7g33.1 Definitions 7g33.2 Abbreviations . 7g34 High-Level Requirements and Principles . 7
16、g34.1 General Requirements 7g34.2 Architecture Requirements . 7g34.3 Mobility Requirements . 8g34.4 Roaming Requirements 8g34.5 Charging Requirements 8g34.6 Security Requirements . 8g35 Concepts and Architecture Model 8g35.1 General Concepts . 8g35.2 Architecture Reference Model . 8g35.2.1 Home Mobi
17、lity Service Architecture 8g35.2.2 Visited Mobility Service Architecture 9g35.3 High Level Functions . 10g35.3.1 General 10g35.3.2 Home Agent Discovery 10g35.3.3 Home Link Detection 10g35.4 Network Elements 11g35.5 Reference Points . 11g36 Functional Description and Information Flows 12g36.1 H1 PDN
18、Attach 12g36.2 H1 PDN Detach 13g36.2.1 UE Initiated Detach 13g36.2.2 HA Initiated Detach 14g36.2.3 AAA Initiated Detach . 14g36.3 Handover 15g36.3.1 H1 Reference Point Procedure 15g36.3.2 Handover Signalling Flows 16g36.3.2.1 Handover from 3GPP I-WLAN to 3GPP access . 16g36.3.2.2 Handover from 3GPP
19、access to 3GPP I-WLAN access 16g36.4 Accounting . 17g36.5 Interactions with Other Services 17g36.6 IPv4 Home Address Release Procedure . 18g3Annex A (Normative): EPS Migration Considerations . 19g3Annex B (Normative): Information on implementation options 20g3B.1 Co-located HA and GGSN functions . 2
20、0g3B.1.1 I-WLAN Mobility System Architecture with Co-located HA-GGSN . 20g3B.1.2 Home Link Discovery for the Co-located HA and GGSN . 20g3B.1.3 3GPP Attachment . 21g3B.1.4 I-WLAN Attachment 22g3B.1.5 Handover from 3GPP access to I-WLAN 24g3ETSI ETSI TS 123 327 V13.0.0 (2016-01)43GPP TS 23.327 versio
21、n 13.0.0 Release 13B.1.6 Handover from I-WLAN to 3GPP Access . 25g3B.2 Co-located HA and PDG functions 26g3B.2.1 H1 PDN Attach 26g3Annex C (Informative): Change History 27g3History 28g3ETSI ETSI TS 123 327 V13.0.0 (2016-01)53GPP TS 23.327 version 13.0.0 Release 13Foreword This Technical Specificatio
22、n has been produced by the 3rd Generation Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may change following formal TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an
23、 identifying change of release date and an increase in version number as follows: Version x.y.z where: x the first digit: 1 presented to TSG for information; 2 presented to TSG for approval; 3 or greater indicates TSG approved document under change control. y the second digit is incremented for all
24、changes of substance, i.e. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 123 327 V13.0.0 (2016-01)63GPP TS 23.327 version 13.0.0 Release 131 Scope This document specifies the stage
25、2 system description for providing mobility between 3GPP Wireless Local Area Network Interworking (I-WLAN) and 3GPP Systems. It is to define a technical solution based on the working principles of DSMIPv6 (see RFC 5555 7) with necessary enhancement of the I-WLAN architecture for supporting mobility
26、and roaming between 3GPP-WLAN Interworking system and 3GPP Systems so that ongoing 3GPP PS based services can be maintained with minimal impact on the end-users perceived quality on the services at a change of the access network (between I-WLAN and 3GPP Access Systems. The specification includes bot
27、h non-roaming and roaming scenarios and covers all aspects, including mobility between 3GPP Systems and I-WLAN with access authentication and charging. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present document. - Refe
28、rences are either specific (identified by date of publication, edition number, version number, etc.) or non-specific. - For a specific reference, subsequent revisions do not apply. - For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a
29、GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document. 1 3GPP TR 21.905: “Vocabulary for 3GPP Specifications“. 2 3GPP TS 23.234: “3GPP Systems to Wireless Local Area Network (WLAN) Interworking; System Description
30、“. 3 3GPP TS 23.060: “General Packet Radio Service (GPRS); Service Description; Stage 2“. 4 3GPP TS 23.203: “Policy and Charging Control Architecture“. 5 3GPP TS 33.234: “3G security; Wireless Local Area Network (WLAN) interworking security“. 6 3GPP TS23.402: “Architecture Enhancements for non-3GPP
31、accesses“. 7 IETF RFC 5555: “Mobile IPv6 support for dual stack Hosts and Routers (DSMIPv6)“. 8 IETF RFC 6275: “Mobility Support in IPv6“. 9 IETF RFC 5996, “Internet Key Exchange Protocol Version 2 (IKEv2)“. 10 IETF RFC 3748: “Extensible Authentication Protocol (EAP)“. 11 IETF RFC 4877: “Mobile IPv6
32、 Operation with IKEv2 and the Revised IPsec Architecture“. 12 IETF RFC 4739: “Multiple Authentication Exchanges in the Internet Key Exchange (IKEv2) Protocol“. 13 3GPP TS 29.061: “Interworking between the Public Land Mobile Network (PLMN) supporting Packet Based Services and Packet Data Networks (PD
33、N)“. ETSI ETSI TS 123 327 V13.0.0 (2016-01)73GPP TS 23.327 version 13.0.0 Release 133 Definitions and Abbreviations 3.1 Definitions For the purposes of the present document, the definition given in TR 21.905 1 and the following apply. A definition given in the present document takes precedence over
34、the same definition, if any, in TR 21.905 1. Home Agent Access Point Name (HA-APN): Is used to identify a specific PDN and a point of interconnection to that network (Home Agent). 3.2 Abbreviations For the purposes of the present document, the abbreviations given in TR 21.905 1 and the following app
35、ly. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905 1. APN Access Point Name CoA Care-of-addressDHCP Dynamic Host Configuration Protocol DNS Domain Name System DSMIPv6 Dual-Stack MIPv6 EPS Evolved Packet Systems GGSN
36、 Gateway GPRS Support Node GTP GPRS Tunnelling Protocol HA Home Agent I-WLAN Interworking WLAN MIP Mobile IP MIPv6 Mobile IP version 6 MN Mobile Node PDP Packet Data Protocol, e.g. IP SGSN Serving GPRS Support Node UE User Equipment 4 High-Level Requirements and Principles 4.1 General Requirements -
37、 Access to 3GPP and internet services shall be supported. - Smooth migration from legacy network with minimal impacts on dual mode UEs, I-WLAN and 3GPP systems shall be possible. - Architecture, functions and procedures described in I-WLAN interworking TS 23.234 2 and GPRS TS 23.060 3 shall be re-us
38、ed as basis. 4.2 Architecture Requirements - Mobility for PDG based I-WLAN architecture shall be supported. - Both IPv4 and IPv6 addresses shall be supported - Quality of service shall be supported when the UE moves between I-WLAN and 3GPP systems - I-WLAN and 3GPP QoS mechanisms defined in TS 23.23
39、4 2 TS 23.060 3 and TS 23.203 4 shall be re-used. Additionally, the Home Agent shall be able to provide transport IP QoS e.g. DiffServ support similarly as defined for PDG in TS 23.234 2. ETSI ETSI TS 123 327 V13.0.0 (2016-01)83GPP TS 23.327 version 13.0.0 Release 134.3 Mobility Requirements - Servi
40、ce continuity between 3GPP packet switched network and I-WLAN with IP address (es) preservation shall be supported. - Multiple parallel sessions under the same APN shall be maintained when the UE moves between 3GPP PS network and I-WLAN. Also the mobility for the UE with multiple PDN connectivity sh
41、ould be supported. - Interruption time of the operators services or applications being provided to the end user shall be minimized. - It shall be possible to notify to the user the change of the access networks, 3GPP PS system or I-WLAN. - It shall be possible to disable the mobility function where
42、applicable to the operators needs. 4.4 Roaming Requirements - Mobility with re-use of roaming architecture interface(s) and protocol(s) in a visited PLMN shall be possible. 4.5 Charging Requirements - It shall be possible to re-use existing policy control and charging (PCC) rules and mechanisms as d
43、efined in TS 23.203 4. - Charging differentiation capability based on radio access type shall be enabled. - Use of common billing system for 3GPP PS system and the I-WLAN access shall be possible. 4.6 Security Requirements - Existing security measures taken by the end users and the operators shall n
44、ot be compromised. - It shall be possible for operators to apply common access control based on TS 33.234 5 regardless of the change of the accesses by the UEs. - The operators shall be able to apply legal interception. 5 Concepts and Architecture Model This specification is based on the architectur
45、al/functional/procedural definitions described in (WLAN Interworking) TS 23.234 2 and (GPRS) TS 23.060 3. I-WLAN Mobility solution shall allow the operator to configure a type of access (e.g. 3GPP access) as the “home link“ for DSMIPv6 purposes. 5.1 General Concepts 5.2 Architecture Reference Model
46、5.2.1 Home Mobility Service Architecture The Home Mobility Service architecture refers to the case where the Home Agent function locates at HPLMN. Whether the user is roaming or not roaming in the underlying access system and/or whether the illustrated H3 reference point spans across different admin
47、istrative domains is not relevant for this specification. ETSI ETSI TS 123 327 V13.0.0 (2016-01)93GPP TS 23.327 version 13.0.0 Release 13HSS 3GPP AAA Server PDG/ AR WLAN Access Network UE HA External PDN Wn WpWAG H3 H2 WxH1 HGi Ww WuGERAN/UTRAN Uu/UmGGSN/ AR Iu_ps/Gb Gn SGSN H3 Figure 5.2.1-1: Home
48、Mobility Service Architecture for I-WLAN Mobility NOTE: The architecture is compatible with pre-Release 8 PDG and GGSN. 5.2.2 Visited Mobility Service Architecture The Visited Mobility service architecture refers to the case where the Home Agent function locates outside of the HPLMN. Whether the use
49、r is roaming or not roaming in the underlying access system and/or whether the illustrated H3 reference point spans across different administrative domains is not relevant for this specification. UE WLAN Access Network GERAN/UTRAN SGSN HA PDG/ AR External PDN WAG Ww Wu Wn Wp HGiIu_ps/Gb Uu/Um /Um H3 H1 H2 GGSN/ AR H3 Wx Wd* HSS 3GPP AAA server 3GPP AAA proxy HPLMN VPLMN Gn Figure 5.2.2-1: Visited Mobility Service Architecture for I-WLAN Mobility ETSI ETSI TS 123 327 V13.0.0 (2016-01)103GPP TS 23.327 version 13.0.0 Rel
