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TS 23.214 (SA2)
Architecture enhancements for
Control and User Plane separation of EPC nodes

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(P) V14.3.0    2017/06    83 p.


Rapporteur:  Mr. Schramm, Mirko
See also:  EPC-related TS/TR    


The present document specifies the overall stage 2 level functionality for control and user plane separation of EPC's SGW, PGW and TDF. This enables a flexible placement of the separated control plane and user plane functions for supporting diverse deployment scenarios (e.g. central or distributed user plane function) without affecting the overall functionality provided by these EPC entities.


 

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1   Scope   PDF-p. 7
2   References
3   Definitions and abbreviations
4   Architecture model and concepts
5   Functional description
5.1   General
5.2   Traffic detection
5.3   Charging and usage monitoring handling   PDF-p. 23
5.4   GTP-U IP address and TEIDu allocation
5.5   UE IP address management (allocation, renewal and release)
5.6   Control of user plane forwarding   PDF-p. 27
5.7   UE's permanent identifier usage
5.8   Functionality of sending of "end marker"
5.9   Idle state packet SGW buffering function      Up
5.10   Bearer and APN policing   PDF-p. 31
5.11   PCC/ADC related functions
5.12   User Plane function selection   PDF-p. 33

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