Page 61 - ITU-T Focus Group IMT-2020 Deliverables

ITU-T Focus Group IMT-2020 Deliverables 2

The following figure summarizes the IMT-2020 Network abstractions in the form of a high-level logical
network architecture and applicable plane specific functionality.

Embedded / Native
Softwarization Functionality
Service Plane Programmability Applications & Business Services
Applications & Business Services
Enablers
Applications & Business Services
Programmability Network Capability Exposure

Network & Service Management and Orchestration Plane Programmability OSS EM E2E Service Management and Orchestration
Enablers
Service & Network Domain
Service & Network Domain
Service & Network Domain
Orchestrator
Orchestrator
Orchestrator
Enablers
(V) N F
(V) N F
(V) N F
(V) Infrastructure
(V) Infrastructure
EM
Manager
(V) Infrastructure
Manager
EM
Manager
Manager
Manager
Manager
Programmability Network Element Common Control Network Slice Specific & Devoted Control
Functions
Enablers
Control Plane (V)NE F (V)NE F (V)NF (V)NF (V)NF
Functions
Programmability
Enablers (V)NE F (V)NE F
Programmability
Enablers (V)NE F (V)NF
Data Plane Programmability (V)NE F (V)NE F (V)NF (V)NF (V)NF
Enablers Network Slice Specific & Devoted
Common Forwarding functions Forwarding Functions

Figure 2 – 5G Logical Network Viewpoint
The following figure summarizes the IMT-2020 Network abstractions in the form of a high-level logical
network architecture and applicable plane specific functionality with the separation of Service Management
from Network Management.

Figure 3 – 5G Logical Network with separation of Service Management
from Network Management

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