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Content for TS 28.525 Word version: 18.1.0

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5.1 Requirements 5.2 Actor roles 5.3 Telecommunications resources 5.4 High-level use cases

5 Business level requirements p. 7

5.1 Requirements p. 7

5.2 Actor roles p. 8

5.3 Telecommunications resources p. 8

5.4 High-level use cases p. 9

5.4.1 Enabling/disabling the auto-scaling of the corresponding VNF instance(s) for an NE p. 9

5.4.2 NS scaling using VNF LCM operation (that is a part of NS LCM operation) based on PM data monitoring at NM level p. 9

5.4.3 Enabling/disabling the auto-scaling of the corresponding VNF instance(s) through NFVO as part of NS LCM p. 10

5.4.4 VNF application software update use cases p. 10

5.4.4.1 Introduction p. 10

5.4.4.2 VNF application software update when application software is not part of VNF Package p. 10

5.4.4.3 VNF application software update when application software is part of VNF Package p. 11

5.4.4.3.1 VNF application software update when application software is part of VNF Package and performing synchronization with NFV-MANO by NM p. 11

5.4.5 Providing initial configuration data in VNF instantiation use cases p. 11

5.4.5.1 Introduction p. 11

5.4.5.2 Managing EM IP address provided to instantiated VNF using MVPNP p. 11

5.4.5.3 Managing EM IP address provided to instantiated VNF by VNFM p. 14

5.4.5.3.1 Managing EM IP address provided to VNFM by EM as VNF configuration data p. 14

5.4.5.3.2 Managing EM IP address provided to VNFM by EM as VNF instantiation parameter p. 15