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Content for TR 32.845 Word version: 16.0.0

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2 References p. 8

3 Definitions of terms, symbols and abbreviations p. 9

3.1 Terms p. 9

3.2 Symbols p. 9

3.3 Abbreviations p. 10

4 Concepts and background p. 10

4.0 General Description p. 10

4.1 Background p. 10

4.1.1 Network Slice Lifecycle p. 10

4.1.2 Network Slice Management p. 11

4.2 Business Roles related to network slicing charging p. 12

4.3 Charging aspect requirement p. 14

5 Topics p. 14

5.1 Topic 1: Business to Business - Network Slice usage p. 14

5.1.1 Use Case p. 14

5.1.1.1 Use Case #1.1: CSP consumes a private slice p. 14

5.1.1.2 Use Case #1.2: CSP consumes a shared network slice instance p. 14

5.1.1.3 Use Case #1.3: CSP consumes multiple network slice instances p. 15

5.1.1.4 Use Case #1.4: CSP subscribes the Network Slice Instances p. 15

5.1.1.5 Use Case #1.5: CSP consumes a network slice instance under the usage limit p. 15

5.1.2 Potential charging requirements p. 15

5.1.3 Key issues p. 16

5.1.3.1 Key issue #1.1: Performance based charging p. 16

5.1.3.2 Key issue #1.2: Usage based charging p. 16

5.1.3.3 Key issue #1.3: Network slice template based charging p. 16

5.1.4 Solutions p. 17

5.1.4.1 Solution #1.1: Network Slice Instance Performance based charging for Key issues #1.1 p. 17

5.1.4.1.1 Consideration for Network Slice Instance Performance Based Charging p. 17

5.1.4.1.2 Architecture Description p. 17

5.1.4.1.3 Flow Description p. 18

5.1.4.1.4 Solution evaluation p. 19

5.1.4.2 Solution #1.2: Usage reporting for Key issues #1.2 p. 19

5.1.4.2.1 Consideration for usage based charging p. 19

5.1.4.2.2 Architecture Description p. 19

5.1.4.2.3 Flow Description p. 20

5.1.4.2.4 Solution evaluation p. 20

5.1.4.3 Solution #1.3: Event Based Charging for Key issues #1.2 p. 21

5.1.4.3.1 Consideration for event based charging p. 21

5.1.4.3.2 Architecture Description p. 21

5.1.4.3.3 Flow Description p. 21

5.1.4.3.4 Solution evaluation p. 22

5.1.4.4 Solution #1.4: Network Slice Instance Performance based charging for Key issues #1.1 p. 22

5.1.4.4.1 Consideration for Network Slice Instance Performance Based Charging p. 22

5.1.4.4.2 Architecture Description p. 22

5.1.4.4.3 Flow Description p. 23

5.1.4.4.4 Solution evaluation p. 23

5.1.4.5 Solution #1.5: Network Slice Instance Performance based charging for Key issues #1.1 p. 24

5.1.4.5.1 Consideration for Network Slice Instance Performance Based Charging p. 24

5.1.4.5.2 Architecture Description p. 24

5.1.4.5.3 Flow Description p. 24

5.1.4.5.4 Solution evaluation p. 24

5.1.4.6 Solution #1.6: Usage reporting for Key issues #1.2 p. 25

5.1.4.6.1 Consideration for usage limit for CSP p. 25

5.1.4.6.2 Architecture Description p. 25

5.1.4.6.3 Flow Description p. 25

5.1.4.6.4 Solution evaluation p. 26

5.1.4.7 Solution #1.7: Network Slice Instance Analytics based charging for Key issues #1.1 p. 26

5.1.4.7.1 Consideration for Network Slice Instance Analytics Based Charging p. 26

5.1.4.7.2 Architecture Description p. 26

5.1.4.7.3 Flow Description p. 27

5.1.4.7.4 Solution evaluation p. 28

5.1.4.8 Solution #1.8: Network Slice Instance Performance based charging for Key issues #1.1 p. 28

5.1.4.8.1 Consideration for Network Slice Instance Performance Based Charging p. 28

5.1.4.8.2 Architecture Description p. 28

5.1.4.8.3 Flow Description p. 29

5.1.4.8.4 Solution evaluation p. 29

5.1.4.9 Solution #1.9: Network Slice Instance Performance based charging for Key issues #1.1 p. 30

5.1.4.9.1 Consideration for Network Slice Instance Performance Based Charging p. 30

5.1.4.9.2 Architecture Description p. 30

5.1.4.9.3 Flow Description p. 30

5.1.4.9.4 Solution evaluation p. 30

5.1.4.10 Solution #1.10: Network Slice Instance Template based charging for Key issues #1.3 p. 30

5.1.4.10.1 Consideration for Network Slice Instance Template Based Charging p. 30

5.1.4.10.2 Architecture Description p. 31

5.1.4.10.3 Flow Description p. 31

5.1.4.10.4 Solution evaluation p. 31

5.1.5 Evaluation p. 31

5.1.5.1 Solutions evaluation for Key issue #1.1 p. 31

5.1.5.2 Solutions evaluation for Key issue #1.2 p. 32

5.1.5.3 Solutions evaluation for Key issue #1.3 p. 32

5.1.6 Conclusions p. 32

5.2 Topic 2: Business to Business - Network Slice management p. 32

5.2.1 Use Cases p. 32

5.2.1.1 Use Case #2.1: NSI provisioning - NOP model p. 32

5.2.1.2 Use Case #2.2: NSI provisioning - NSaaS model p. 33

5.2.2 Potential charging requirements p. 33

5.2.3 Key issues p. 34

5.2.3.1 Key issue #2.1: Network Slice management based charging - NOP model p. 34

5.2.3.2 Key issue #2.2: Network Slice management based charging - NSaaS Model p. 34

5.2.4 Solutions p. 34

5.2.4.1 Solution #2.1: Network Slice Management based charging for Key issues #2.1 p. 34

5.2.4.1.1 Consideration for Network Slice Management based Charging p. 34

5.2.4.1.2 Architecture Description p. 34

5.2.4.1.3 Flow Description p. 35

5.2.4.1.4 Solution evaluation p. 37

5.2.4.2 Solution #2.2: Network Slice Management based charging for Key issues #2.1 - MnS p. 37

5.2.4.2.1 Consideration for Network Slice Management based Charging p. 37

5.2.4.2.2 Architecture Description p. 37

5.2.4.2.3 Flow Description p. 37

5.2.4.2.4 Solution evaluation p. 38

5.2.4.3 Solution #2.3: Network Slice Management based charging for Key issues #2.2 - CTF p. 39

5.2.4.3.1 Consideration for Network Slice Management based Charging p. 39

5.2.4.3.2 Architecture Description p. 39

5.2.4.3.3 Flow Description p. 39

5.2.4.3.4 Solution evaluation p. 39

5.2.4.4 Solution #2.4: Network Slice Management based charging for Key issues #2.2 - MnS p. 40

5.2.4.4.1 Consideration for Network Slice Management based Charging p. 40

5.2.4.4.2 Architecture Description p. 40

5.2.4.4.3 Flow Description p. 40

5.2.4.4.4 Solution evaluation p. 40

5.2.4.5 Solution #2.5: Communication Service using Network Slice Management based charging for Key issues #2.1 p. 40

5.2.4.5.1 Consideration for Network Slice Management based Charging p. 40

5.2.5 Evaluation p. 40

5.2.5.1 Solutions evaluation for Key issue# 2.1 p. 40

5.2.5.2 Solutions evaluation for Key issue# 2.2 p. 40

5.2.6 Conclusions p. 41

5.3 Topic 3: Business to Consumer p. 41

5.3.1 Use Case p. 41

5.3.1.1 Use Case #3.1: Consumer consumes communication services p. 41

5.3.2 Potential charging requirements p. 41

5.3.3 Key issues p. 41

5.3.3.1 Key issue #3.1: Usage based charging related to the specific NSI p. 41

5.3.4 Solutions p. 41

5.3.4.1 Solution #3.1: Usage based charging for Key issues #3.1 p. 41

5.3.4.1.1 Consideration for usage based charging p. 41

5.3.4.1.2 Architecture Description p. 42

5.3.4.1.3 Flow Description p. 42

5.3.4.1.4 Solution evaluation p. 42

5.3.5 Evaluation p. 42

5.3.5.1 Solutions evaluation for Key issue# 3.1 p. 42

5.3.6 Conclusions p. 42

5.4 Topic 4: Business to Business to X (B2B2X) p. 42

5.4.1 General p. 42

6 Conclusions and Recommendations p. 43

$ Change History p. 44