FTP (File Transfer Protocol) A protocol that enables a TCP/IP user on any computer to get files from another computer or to send files to another computer. Usually implemented as appli- cation-level programs, FTP uses the Telnet and TCP protocols. The server side requires a client to supply a login identifier and password before it will honor requests. FTTC (fiber-to-the-curb) A system in which fiber cable extends from a switching office to a curb. FTTH/FTTP (fiber-to-the-home/fiber-to-the-premises) A system in which fiber cable extends from a switching office to the subscriber's house/premises. FTTN (fiber-to-the-node) A system in which fiber cable extends from a switching office to a point near the premises, such as a curb. FTTx (fiber-to-the-x) A system in which fiber cable extends from a switching office to the X (where x means premises, curb, building, or home). full-duplex A communication system or equipment that is capable of transmission simulta- neously in both directions. full-motion video Moving images that the human eye perceives as being fully realistic. While there are no defined standards, full-motion video is frequently referred to as VHS-quality. Frame rates range from 24 frames per second (fps) in motion pictures, 25fps in the PAL system, and 30fps in the NTSC system. FX (foreign exchange) line A line that makes a toll call appear to be a local call. GAN (Generic Access Network) A telecommunication system that allows seamless roam- ing and handoffs between LANs and WANs, using the same dual-mode mobile phone. Formerly known as Unlicensed Mobile Access (UMA), it was adopted by the 3GPP in 2005. gateway A device or program (i.e., hardware or software) that connects two different net- works that use different protocols and translates between these protocols, allowing devices on the two networks to communicate with each other. Glossary gateway daemon gateway daemon A program that runs under BSD UNIX on a gateway to allow the gateway to collect information from within one autonomous system using RIP,