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TR 23.707 (SA2)
Architecture enhancements for
Dedicated Core Networks

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V13.0.0 (Wzip)    2014/12    39 p.

Rapporteur:  Mr. FUJISHIMA, Daisuke
See also:  DCN-related TS/TR    

An operator may choose to deploy one (or more) dedicated core networks within a PLMN with each core network dedicated for specific type(s) of subscriber. The present document studies and evaluates architectural enhancements required to support dedicated core networks. The specific dedicated core network that serves a UE is selected based on subscription information and operator configuration, without requiring the UEs to be modified.

The technical report covers both assignment of dedicated core network nodes and maintaining the association during mobility. Roaming and network sharing aspects of dedicated core network, and impacts on procedures such as CSFB, SRVCC and rSRVCC will be studied.

Dedicated core networks may be in the PS domain or CS domain or both.


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1   Scope   Word-p. 6
2   References
3   Definitions and abbreviations
4   Assumptions and Architecture Requirements
5   Elementary Functions   Word-p. 8
5.1   Functions Common to both PS and CS Domain      Up
5.2   PS Domain Specific Functions
5.2.1   Assignment of dedicated MME/SGSN   Word-p. 9
5.2.2   Maintaining Dedicated CN Nodes      Up
5.2.3   Selection Function of dedicated SGW and PGW
5.2.4   HSS-initiated Dedicated CN Node Reselection
5.3   CS Domain Specific Functions
5.4   Other procedures
6   Conclusions
A   Change history   Word-p. 39

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