| Abbreviation | Definition |
|---|---|
| FACN | Foreign Agent Control Node |
| FACTS | Fipa Agent Communication Technologies And Services |
| FAI | Fully Automatic Installation |
| FANI | Flexible Automatic Number Identification |
| FAP | Format And Protocols |
| FAS | Firewall Administration System |
| FAST | Fast AQM (Active Queue Management) Scalable TCP (Transmission Control Protocol) |
| FAV | FAVourite |
| FB | |
| FB | Frame Buffer |
| FB | Fully Buffered |
| FBS | Fast But Slow |
| FBWA | Fixed Broadband Wireless Access |
| FBX | Filmbox |
| FC | Failure to Communicate |
| FC | Fast Class |
| FC | Fast Connection |
| FC | Fibre Channel |
| FC | Frame Control |
| FCAG | Flybase Community Advisory Group |