1. Specific SDK Specific SDK NFVO Specific VNFM Specific VNFM VNF Message Queue JSON REST API

2. NFVO Specific VNFM Specific VNFM MME PGW SGW Message Queue JSON REST API Generic VNFM Network Service

3. NFV Management and Orchestration NFV Management and Orchestration VNFs Manager VNFs Manager VNFs Manager VNFs Manager Hardware Resources Computing Hardware Computing Hardware Storage Hardware Storage Hardware Network Hardware Network Hardware Virtualisation Layer Virtual Computing Virtual Computing Virtual Storage Virtual Storage Virtual Hardware Virtual Hardware VNF1 VNF2 VNF3 EMS1 EMS2 EMS3 OSS/BSS Service, VNF and Infrastructure Description Service, VNF and Infrastructure Description Orchestrator VNFs Manager VNFs Manager Virtualised Infrastructure Manager Virtualised Infrastructure Manager

4. NFVO Generic VNFM Generic EMS INSTATIATE createVNFR GRANT_OPERATION ALLOCATE_RESOURCES instantiate SAVE & EXECUTE SCRIPTS modify EXECUTE SCRIPTS start EXECUTE SCRIPTS MODIFY START

5. NFVO Generic VNFM Generic EMS INSTATIATE createVNFR GRANT_OPERATION ALLOCATE_RESOURCES instantiate SAVE & EXECUTE SCRIPTS modify EXECUTE SCRIPTS start EXECUTE SCRIPTS 2 2 1 1 4 4 5 5 6 6 7 7 8 8 MODIFY 10 START 9 9 12 13 3 3 11

6. Iperf client Iperf client Iperf server Iperf server

7. NULL INSTATIATED INACTIVE Create VNFR / INSTANTIARE MODIFY ACTIVE START TERMIATED TERMINATE START