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ETSI TS 129 335
M00001898
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ETSI TS 129 335 Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; User Data Convergence (UDC); User data repository access protocol over the Ud interface; Stage 3 (3GPP TS 29.335 version 12.0.0 Release 12)
standard by European Telecommunications Standards Institute, 10/01/2014
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ETSI TS 129 335 specifies the stage 3 of the Ud interface between the Front-Ends (FEs) and the User DataRepository (UDR) in the User Data Convergence (UDC architecture).This 3GPP Technical Specification (TS) specifies the protocol and interactions between the FE and the UDR for Udreference point, in particular: The details of the LDAP protocol that are to be considered The details of the SOAP envelope that provide support for subscriptions to notifications and notifications aboutdata changes service (S/N operations).The User Data Convergence Stage 2 description (architecture and information flows) is specified in 3GPP TS 23.335[10].
The UDR data model used with LDAP (i.e. attributes, object classes and directory information tree) is implementationspecific and is left outside the scope of 3GPP specifications. For multivendor interoperability between FEs and UDRspecific integration projects are needed. Some examples of Ud data models are described in 3GPP TR 29.935 [19].