TR 22.805 ★
Feasibility Study on
User Plane Congestion Management

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V12.1.0 (Wzip) 2012/12 36 p.

essential Table of Contents for TR 22.805 Word version: 12.1.0

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2 References Word‑p. 7

3 Definitions, symbols and abbreviations Word‑p. 7

4 Scenarios and use cases Word‑p. 8

4.1 Congestion scenarios Word‑p. 8

4.2 Use case 1 - Managing congested RAN traffic using differentiated service subscription QoS attributes Word‑p. 10

4.3 Use case 2 - User level traffic control Word‑p. 11

4.4 Use case 3 - Application data rate control Word‑p. 12

4.5 Use case 4 - Disaster service priority Word‑p. 13

4.6 Use case 5 - Managing congested traffic by using appropriate application attributes Word‑p. 14

4.7 Use case 6 - Content delivery based on RAN congestion status Word‑p. 15

4.8 Use case 7 - Traffic compression and transcoding Word‑p. 17

4.9 Use case 8 - Servicing data connection requests/reactivations Word‑p. 19

4.10 Use case 9 - Voice and video media quality modification Word‑p. 21

4.11 Use case 10 - Charging policy based on RAN congestion status Word‑p. 24

4.12 Use case 11 - Multiple applications traffic control over one bearer Word‑p. 25

4.13 Use case 12 - Application Data Priority Control Word‑p. 25

4.14 Use case 13 - Protocol Optimization Word‑p. 26

5 Considerations Word‑p. 27

5.1 Considerations on charging Word‑p. 27

5.2 Considerations on security Word‑p. 27

5.3 Considerations on addressing Word‑p. 27

5.4 Considerations on aspects to avoid cell-level congestion Word‑p. 27

5.5 Considerations of MOCN networks in user plane congestion managemen t Word‑p. 28

6 Potential requirements Word‑p. 28

7 Conclusion and recommendations Word‑p. 29

A Aspects on cell-level congestion in a healthy network Word‑p. 31

A.1 Forms of congestion Word‑p. 31

A.2 Example of cell level congestion Word‑p. 31

A.3 The disadvantage with a regulating function with too slow a response time Word‑p. 33

B Mapping between use cases and consolidated requirements Word‑p. 34

$ Change history Word‑p. 36