ETSI-NFV Use Cases - High Level Descriptio
Case #1: Network Functions Virtualisation Infrastructure as a Service
This is a reasonably generic IaaS requirement.
Case #2: Virtual Network Function as a Service (VNFaaS)
This primarily targets Customer Premise Equipment (CPE) devices such as access routers, enterprise firewall, WAN optimizers etc. with some Provider Edge devices possible at a later date. ETSI-NFV Performance & portability considerations will apply to deployments that strive to meet high performance and low latency considerations.
Case #3: Virtual Network Platform as a Service (VNPaaS)
This is similar to #2 but at the service level. At larger scale and not at the "app" level only.
Case #4: VNF Forwarding Graphs
Dynamic connectivity between apps in a "service chain".
Case #5: Virtualisation of Mobile Core Network and IMS
Primarily focusing on Evolved Packet Core appliances such as the Mobility Management Entity (MME), Serving Gateway (S-GW), etc. and the IP Multimedia Subsystem (IMS).
Case #6: Virtualisation of Mobile base station
Focusing on parts of the Radio Access Network such as eNodeB's, Radio Link Control and Packet Data Convergence Protocol, etc..
Case #7: Virtualisation of the Home Environment
Similar to Use Case 2, but with a focus on virtualising residential devices instead of enterprise devices. Covers DHCP, NAT, PPPoE, Firewall devices, etc.
Case #8: Virtualisation of CDNs
Content Delivery Networks focusing on video traffic delivery.
Case #9: Fixed Access Network Functions Virtualisation
Wireline related access technologies.