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TS 23.214SA2
Architecture enhancements for
Control and User Plane Separation of EPC nodes

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V16.0.0 (Wzip)  2019/06  92 p.
V15.5.0 (PDF)  2018/12  95 p.
V14.9.0  2018/12  95 p.

WI Acronym:  CUPS
Rapporteur:  Mr. Schramm, MirkoHuawei Technologies Co. Ltd.

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.
3GPP 23.214 - Architecture reference model for EPC separation of user plane and control plane

full Table of Contents for  TS 23.214  Word version:   16.0.0

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1  ScopeWord-p. 7
2  References
3  Definitions and abbreviationsWord-p. 8
4  Architecture model and concepts
5  Functional description
5.1  General
5.2  Traffic detection
5.3  Charging and usage monitoring handlingWord-p. 21
5.4  GTP-U IP address and TEIDu allocation
5.5  UE IP address management (allocation, renewal and release)Word-p. 24
5.6  Control of user plane forwardingWord-p. 25
5.7  UE's permanent identifier usage
5.8  Functionality of sending of "end marker"
5.9  Idle state packet SGW buffering functionWord-p. 27
5.10  Bearer and APN policing
5.11  PCC/ADC related functionsWord-p. 29
5.12  User Plane function selectionWord-p. 31
6  Information flowsWord-p. 33
6.1  General
6.2  Sx Session Management Procedures
6.3  Updates to procedures in other specifications
6.3.1  Updates to procedures specified in TS 23.401 [2]Up
6.3.2  Updates to procedures specified in TS 23.203 [3]Word-p. 50
6.3.3  Updates to procedures specified in TS 23.402 [4]Word-p. 53
6.3.4  Updates to procedures specified in TS 23.060 [5]Word-p. 61
6.4  Sx Reporting ProceduresWord-p. 79
6.5  Sx Management ProceduresWord-p. 80
7  Parameters
A  Change historyWord-p. 92

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