Brief comparison of some of the key points of SDN and NFV
| Category | SDN | NFV |
| Reason for Being | Separation of control and data, centralization of control and programmability of network | Relocation of network functions from dedicated appliances to generic servers |
| Target Location | Campus, data center / cloud | Service provider network |
| Target Devices | Commodity servers and switches | Commodity servers and switches |
| Initial Applications | Cloud orchestration and networking | Routers, firewalls, gateways, CDN, WAN accelerators, SLA assurance |
| New Protocols | OpenFlow | None yet |
| Formalization | Open Networking Forum (ONF) | ETSI NFV Working Group |
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