Tech-invite 3GPPspace IETFspace

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Content for TR 22.980 Word version: 18.0.1

0… 2…

2 References p. 7

3 Definitions, symbols and abbreviations p. 8

3.1 Definitions p. 8

3.2 Symbols p. 9

3.3 Abbreviations p. 9

4 Principles, Purpose and Benefits of Network Composition p. 10

4.1 Principles p. 10

4.1.1 General p. 10

4.1.2 Types of Network Composition p. 10

4.1.3 Other common styles p. 12

4.2 Purpose and Benefits p. 12

4.3 Management aspects p. 13

4.4 Resource control, resource usage and resource access provisioning p. 13

4.5 Multi-lateral Compositions p. 14

4.5.1 General p. 14

4.5.2 A set of bi-lateral Cas p. 15

4.5.3 A multi-lateral CA p. 16

4.5.4 Advantages and disadvantages of different approaches to support multi-lateral compositions p. 17

5 Composition Use Cases p. 18

5.1 Description p. 18

5.2 Network Composition between Core Networks p. 18

5.2.1 General p. 18

5.2.2 Inter-operator Network Composition (via GRX) p. 18

5.2.2.1 Short Description p. 18

5.2.2.2 Actor Specific Issues and Benefits p. 19

5.2.2.3 Pre-Conditions p. 19

5.2.2.4 Normal Flow p. 20

5.2.2.5 Alternative Flow p. 20

5.2.2.6 Additional Information p. 20

5.2.3 On-demand inter-operator Network Composition p. 21

5.2.3.1 Short Description p. 21

5.2.3.2 Actor Specific Issues and Benefits p. 21

5.2.3.3 Pre-Conditions p. 22

5.2.3.4 Normal Flow p. 22

5.2.3.5 Alternative Flow p. 22

5.2.3.6 Additional Information p. 23

5.3 Network Composition between Core Network and Access Network p. 23

5.3.1 Composition of a nomadic I-WLAN with a 3GPP network p. 23

5.3.1.1 Short Description p. 23

5.3.1.2 Actor Specific Issues and Benefits p. 23

5.3.1.3 Pre-Conditions p. 24

5.3.1.4 Normal Flow p. 24

5.3.1.5 Alternative Flows p. 24

5.3.1.6 Additional Information p. 24

5.3.2 Scenario Extensions for I-WLAN / 3GPP network composition p. 25

5.3.2.1 Short Description p. 25

5.3.2.2 Actor Specific Issues and Benefits p. 25

5.3.2.3 Pre-Conditions p. 26

5.3.2.4 Normal Flow p. 26

5.3.2.5 Alternative Flow p. 26

5.3.2.6 Additional information p. 26

5.3.3 Network Composition of a moving network with 3GPP networks p. 26

5.3.3.1 Short Description p. 26

5.3.3.2 Actor Specific Issues and Benefits p. 27

5.3.3.3 Pre-Conditions p. 28

5.3.3.4 Normal Flow p. 28

5.3.3.5 Alternative Flow p. 28

5.3.3.6 Additional Information p. 28

5.3.4 Access Networks - Core/service/identity provider networks: Network Composition of different types of access networks with core networks providing different types of end user services p. 28

5.3.4.1 Scenario overview p. 28

5.3.4.2 Scenario technical description p. 29

5.3.4.3 Operator / user role p. 29

5.3.4.4 Composition Type p. 29

5.3.4.5 Framework Agreement and Composition Agreement p. 29

5.3.4.6 Scenario Benefits p. 29

5.4 Network Composition between Access Networks p. 30

5.5 Network Composition between Core Network and PAN/PN/UE p. 30

5.6 Network Composition between Access Network and PAN/PN/UE p. 31

5.6.1 Network Composition of individual users with access networks in public spaces p. 31

5.6.1.1 Short Description p. 31

5.6.1.2 Actor Specific Issues and Benefits p. 31

5.6.1.3 Pre-Conditions p. 32

5.6.1.4 Normal Flow p. 32

5.6.1.5 Alternative Flow p. 32

5.6.1.6 Additional Information p. 32

5.7 Network Composition between PNs p. 32

5.7.1 Short Description p. 32

5.7.2 Actor Specific Issues and Benefits p. 33

5.7.3 Pre-Conditions p. 33

5.7.4 Normal Flow p. 33

5.7.5 Alternative Flow p. 35

5.7.6 Additional Information p. 35

5.8 3GPP network operators forming a roaming consortium: p. 36

5.9 Decomposition between Core Network and Access Network p. 37

5.9.1 Decomposition between a nomadic I-WLAN and a 3GPP network p. 37

5.9.1.1 Short Description p. 37

5.9.1.2 Actor Specific Issues and Benefits p. 37

5.9.1.3 Pre-Conditions p. 38

5.9.1.4 Normal Flow p. 38

5.9.1.5 Alternative Flows p. 38

5.9.1.6 Additional Information p. 38

6 Description of Composition Process p. 38

6.1 Composition process p. 38

6.1.1 Media Sense p. 39

6.1.2 Discovery / Advertisement p. 39

6.1.3 Establishment of Security and Internetworking Connectivity p. 39

6.1.4 Composition Agreement Negotiation p. 40

6.1.5 Composition Agreement Realization p. 40

6.1.6 Maintaining a composed Composition Capable Network p. 40

6.2 Decomposition Process p. 41

6.2.1 Composition Agreement Unrealization p. 41

6.2.2 Composition Agreement Invalidation p. 41

6.2.3 Tear down of Security and Internetworking Connectivity p. 41

6.2.4 Media Channel Disabling p. 41

6.2.5 Decomposition Process Cooperation p. 42

6.3 Composition Update process p. 42

7 Potential Composition Requirements p. 42

7.1 High-level requirements p. 42

7.2 Security and Privacy p. 43

7.3 Functional requirements for Network Composition p. 43

8 Conclusions p. 45

9 Other concepts considered useful in the context of Network Composition p. 45

A Additional information on Network Composition p. 46

A1 Illustration of composition procedure involving multiple Network Compositions p. 46

$ Change history p. 49