1、 ETSI TS 123 335 V14.0.0 (2017-05) Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; User Data Convergence (UDC); Technical realization and information flows; Stage 2 (3GPP TS 23.335 version 14.0.0 Release 14) TECHNICAL SPECIFICATION
2、 ETSI ETSI TS 123 335 V14.0.0 (2017-05)13GPP TS 23.335 version 14.0.0 Release 14Reference RTS/TSGC-0423335ve00 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 C Association bu
3、t 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/or print version
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7、m except as authorized by written permission of ETSI. The content of the PDF version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2017. All rights rese
8、rved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. oneM2M logo is protected for the benefit of its Members GSM
9、and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI TS 123 335 V14.0.0 (2017-05)23GPP TS 23.335 version 14.0.0 Release 14Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pe
10、rtaining to these essential IPRs, if any, is publicly 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 Secr
11、etariat. Latest updates are available on the ETSI 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
12、on the ETSI Web server) which are, or may be, or may 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 ident
13、ities, UMTS identities or GSM identities. These should 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 documen
14、t “shall“, “shall not“, “should“, “should not“, “may“, “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 whe
15、n used in direct citation. ETSI ETSI TS 123 335 V14.0.0 (2017-05)33GPP TS 23.335 version 14.0.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g3Introduction 5g31 Scope 6g32 References 6g33 Definitions, symbols and abbreviations . 7g33.1 Defin
16、itions 7g33.2 Symbols 7g33.3 Abbreviations . 8g34 User Data Convergence architecture 8g34.1 UDC System architecture . 8g34.2 Functional Entities 10g34.2.1 Application Front Ends . 10g34.2.2 Provisioning Front Ends . 10g34.2.3 User Data Repository 11g34.2.4 Other Network Elements 11g34.3 Reference po
17、int Ud . 12g34.4 Front-End Session 12g34.5 UDR Session 13g35 User Data convergence information flows . 13g35.1 General . 13g35.2 Requirements 15g35.3 Querying data from the UDR . 16g35.4 Creating data within the UDR 17g35.5 Deleting data from the UDR. 18g35.6 Updating data within the UDR . 19g35.7 S
18、ubscription to Notifications 20g35.8 Notification of data modification . 21g35.8.1 Description 21g35.8.2 Notifications and transactions . 23g3Annex A (informative): Information flows . 24g3A.0 Introduction 24g3A.1 Information flows with Query data procedure over Ud . 24g3A.1.1 General . 24g3A.1.2 CS
19、 terminating call information flow example 24g3A.1.3 IMS re-registration information flow example . 25g3A.2 Information flows with Updating data procedure over Ud. 26g3A.2.1 General . 26g3A.2.2 CS location update information flow example . 26g3A.2.3 IMS service data change information flow example 2
20、8g3A.3 Example Information flows for subscriptions to notifications . 29g3A.3.1 General . 29g3A.3.2 Application Server Subscription information flow example 29g3A.4 Information flows with notification procedure over Ud . 30g3A.4.1 General . 30g3A.4.2 IMS user capability change with notification info
21、rmation flow example 31g3ETSI ETSI TS 123 335 V14.0.0 (2017-05)43GPP TS 23.335 version 14.0.0 Release 14A.4.3 Application Server Notification information flow example without Ud-Notify 32g3A.4.4 Application Server Notification information flow example with Ud-Notify . 33g3A.4.5 Application Server No
22、tification information flow example without Ud-Notify Subscription expired . 34g3A.4.6 Application Server Notification information flow example with Ud-Notify Subscription expired 35g3Annex B (informative): Applicability of the UDC concept to network nodes . 36g3B.1 Introduction 36g3B.2 Basic Prereq
23、uisite . 36g3B.3 Step 1 Separating User Data from Application Logic 36g3B.4 Step 2 Introducing Provisioning FEs 37g3B.5 Step 3 - Storing outsourced user data in a logically single UDR . 37g3B.6 Step 4 Full Load Sharing and Failover functionality . 38g3B.7 Step 5 Converging user data in the UDR 39g3B
24、.8 Example analysis for HLR . 39g3B.9 Example analysis for S-CSCF . 39g3B.10 Example analysis for PCRF and SPR 40g3B.11 Summary 40g3Annex C (informative): Change history . 41g3History 42g3ETSI ETSI TS 123 335 V14.0.0 (2017-05)53GPP TS 23.335 version 14.0.0 Release 14Foreword This Technical Specifica
25、tion has been produced by the 3rdGeneration 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
26、an 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 al
27、l 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. Introduction The UDC concept (3GPP TS 22.101 3) supports a layered architecture, separating the data from the applicati
28、on logic in the 3GPP system, so that user data is stored in a logically unique repository allowing access from core and service layer entities, named Application Front Ends. Network elements and functionalities should be designed to access user data remotely and without storing them permanently loca
29、lly, i.e. the Front Ends shall work in a subscriber dateless configuration. ETSI ETSI TS 123 335 V14.0.0 (2017-05)63GPP TS 23.335 version 14.0.0 Release 141 Scope The present document describes the procedures and signalling flows associated to the technical realization of the 3GPP User Data Converge
30、nce (UDC). It furthermore indicates some requirements for the stage 3 specifications. Special consideration is put in the following areas: - reference architecture for the UDC concept - general description of procedures for the user data manipulation (e.g. create, delete, update, etc.) - identificat
31、ion of the requirements on the UDC for the applicability of the mechanisms described in this document. User data convergence is an optional concept to ensure data consistency and simplify creation of new services by providing easy access to the user data, as well as to ensure the consistency of stor
32、age and data models and to have minimum impact on traffic mechanisms, reference points and protocols of network elements. Standization of the Data Model for the Ud interface between Front-Ends and the UDR is out of the scope of 3GPP. 2 References The following documents contain provisions which, thr
33、ough reference in this text, constitute provisions of the present document. - References 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 l
34、atest version applies. In the case of a reference to a 3GPP document (including a 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 TR 22.985: “S
35、ervice requirement for the User Data Convergence (UDC)“. 3 3GPP TS 22.101: “Service aspects; Service principles“. 4 3GPP TS 29.002: “Mobile Application Part (MAP) specification“. 5 3GPP TS 23.002: “Network architecture“. 6 3GPP TS 32.182: “User Data Convergence (UDC); Common Baseline Information Mod
36、el (CBIM)“. 7 3GPP TS 33.210: “3G Security; Network Domain Security; IP network layer security“. 8 3GPP TS 32.181: “Telecommunication management; User Data Convergence (UDC); Framework for Model Handling and Management“. 9 Void. 10 3GPP TS 23.280: “Common functional architecture to support mission c
37、ritical services“. ETSI ETSI TS 123 335 V14.0.0 (2017-05)73GPP TS 23.335 version 14.0.0 Release 143 Definitions, symbols and abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in 3GPP TR 21.905 1 and the following apply. A term defined in the pres
38、ent document takes precedence over the definition of the same term, if any, in 3GPP TR 21.905 1. Front End: a core network functional entity or service layer entity or provisioning entity that can access user data stored in a unique repository. Front End Identifier: A name that uniquely identifies a
39、n FE within the set of all FEs accessing an UDR. Front End Cluster: FEs handling the same application may be grouped in clusters to differentiate between them e.g. with regard to geographical location, feature support, vendor, or other characteristics. All FEs within a cluster are treated equally fo
40、r required purposes (e.g. authorization, notifications, etc.). Application type: The application handled by a FE (e.g. HLR) determines the application type of the FE. The application type is derived from the name indicated by a FE. Front End Cluster Identifier: A name that identifies a cluster group
41、ed with FEs supporting the same application. User Data Repository: facility where user data can be accessed stored and managed in a common way. Transaction: a transaction is a sequence of operations towards the User Data Repository (one or several), performed as a single logical unit of work. A logi
42、cal unit of work must exhibit four properties, called the ACID (Atomicity, Consistency, Isolation, and Durability) properties, to qualify as a transaction. A transaction usually consists of the following steps, start transaction, making updates, and end of transaction; the transaction can finish suc
43、cessfully, in that case it is said the updated data is committed, or unsuccessfully, in that case the transaction is cancelled and the updates made till that moment are rolled back so that the data remains as it were before the transaction. Atomicity: a transaction must be an atomic unit of work; ei
44、ther all of its data modifications are performed or none of them is performed. Consistency: when completed, a transaction must leave all data in a consistent state. In the User Data Repository, all rules must be applied to the transactions modifications to maintain all data integrity. All internal d
45、ata structures must be correct at the end of the transaction. Isolation: modifications made by concurrent transactions must be isolated from the modifications made by any other concurrent transactions. A transaction either sees data in the state it was in before another concurrent transaction modifi
46、ed it, or it sees the data after the second transaction has completed, but it does not see an intermediate state. This is referred to as serialization because it results in the ability to reload the starting data and replay a series of transactions to end up with the data in the same state it was in
47、 after the original transactions were performed. Durability: after a transaction has completed, its effects are permanently in place in the User Data Repository. The modifications persist even in the event of a system failure. 3.2 Symbols For the purposes of the present document, the following symbo
48、ls apply: Ud reference point between a FE and the UDR ETSI ETSI TS 123 335 V14.0.0 (2017-05)83GPP TS 23.335 version 14.0.0 Release 143.3 Abbreviations For the purposes of the present document, the abbreviations given in TR 21.905 1 and the following apply. An abbreviation defined in the present docu
49、ment takes precedence over the definition of the same abbreviation, if any, in 3GPP TR 21.905 1. FE Front End UDC User Data Convergence UDR User Data Repository 4 User Data Convergence architecture 4.1 UDC System architecture Figure 4.1-1 presents the reference UDC architecture. UDC is the logical representation of the layered architecture that separates the user data from the application logic, so that user data is stored in a logically unique repository allowing access from entities handling an application logic, hereby named Appl
