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TS 23.335 (CT4)
User Data Convergence (UDC) –
Technical Realization and Information Flows – Stage 2

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(P) V14.0.0    2017/03    43 p.
(P) V13.1.0    2016/03    43 p.
(P) V12.0.0    2014/09    42 p.
(P) V11.0.0    2012/09    42 p.
(P) V10.0.0    2011/04    42 p.
(P) V9.3.0    2010/12    41 p.

Rapporteur:  Ms. Bartolome, Maria-Cruz
See also:  UDC-related TS/TR    

The UDC concept supports a layered architecture, separating the data from the application 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.


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1 Scope    2 References    3 Definitions, symbols and abbreviations    3.1 Definitions    3.2 Symbols    3.3 Abbreviations    4 User Data Convergence architecture    4.1 UDC System architecture    4.2 Functional Entities    4.3 Reference point Ud    4.4 Front-End Session    4.5 UDR Session    5 User Data convergence information flows    5.1 General    5.2 Requirements    5.3 Querying data from the UDR    5.4 Creating data within the UDR    5.5 Deleting data from the UDR    5.6 Updating data within the UDR    5.7 Subscription to Notifications    5.8 Notification of data modification    A Information flows    A.0 Introduction    A.1 Information flows with Query data procedure over Ud    A.2 Information flows with Updating data procedure over Ud    A.3 Example Information flows for subscriptions to notifications    A.4 Information flows with notification procedure over Ud    B Applicability of the UDC concept to network nodes    B.1 Introduction    B.2 Basic Prerequisite    B.3 Step 1 - Separating User Data from Application Logic    B.4 Step 2 - Introducing Provisioning FEs    B.5 Step 3 - Storing outsourced user data in a logically single UDR    B.6 Step 4 -Full Load Sharing and Failover functionality    B.7 Step 5 - Converging user data in the UDR    B.8 Example analysis for HLR    B.9 Example analysis for S-CSCF    B.10 Example analysis for PCRF and SPR    B.11 Summary    C Change history   


1   Scope [R9]   PDF-p. 6
2   References [R9]
3   Definitions, symbols and abbreviations [R9]   PDF-p. 7
4   User Data Convergence architecture [R9]
5   User Data convergence information flows [R9]
A   Information flows [R9]   PDF-p. 24
B   Applicability of the UDC concept to network nodes [R9]   PDF-p. 36
C   Change history   PDF-p. 41

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