The description of Network Softwarization Application Layer user O vertical direction uses Control layer OSS BSS NFV SDN to separate data Orchestrator VNF VNF VNF VNF and control plane. VNF NFVI Manager o horizontal perspective Devices Virtual Resources uses NFV to decouple Virtual Virtual Yirtual Virtualized Infrastructure Virtualization Layer Manager network functions and NFV MANO dedicated hardware. Infrastructure layer copH置dware Resource Orchestration layer Fig.1 Network softwarization architecture diagram 5The description of Network Softwarization Fig.1 Network softwarization architecture diagram 5 ⚫ vertical direction：uses SDN to separate data and control plane. ⚫ horizontal perspective： uses NFV to decouple network functions and dedicated hardware. Orchestration layer NFV MANO Infrastructure layer NFVI Application Layer Control layer user Computing Storage Network Devices NFV Orchestrator VNF Manager Virtualized Infrastructure Manager BSS VNF VNF VNF OSS VNF VNF Virtualization Layer Virtual Resources Hardware Resources API API API API Virtual Computing Virtual Network Virtual Storage