acse appc ascii abstract syntax notation one appletalk appletalk remote access apple filing protocol application layer asynchronous transfer mode berkeley sockets bluetooth border gateway protocol clns cyclades cable cisco discovery protocol cisco inter-switch link communication computer file computer networking connection-oriented connectionless protocol considered harmful cross-layer optimization data data link control data link layer data structure datagram delivery protocol directory access protocol dynamic host configuration protocol electrical connector ethernet ethernet ii framing external data representation ftam fiber distributed data interface fibre channel flow control generic routing encapsulation host adapter ibm ibm systems network architecture inap ipsec is-is isdn user part international organization for standardization internet internet control message protocol internet group management protocol internet layer internet protocol internetwork packet exchange lapb link layer localtalk logical link control logical address mime media access control message transfer part microsoft windows mnemonic mobile application part modbus modulation musical instrument digital interface nwlink netbios netbios frames protocol network driver interface specification network layer network news transfer protocol network time protocol network card novell open data-link interface open shortest path first open systems interconnection optical fiber pdcp parallel scsi phonenet physical layer plain old telephone service point-to-point protocol portable document format presentation layer protocol data unit quality of service rose radio resource control real-time transport protocol repeater router routing routing information protocol routing table maintenance protocol scsi serialization session announcement protocol session description protocol session initiation protocol session layer signalling connection control part simple mail transfer protocol simple sensor interface protocol simplex simplex communication storage area network stream control transmission protocol synchronous data link control synchronous optical networking telnet transaction capabilities application part transmission control protocol transmission medium transport layer transport layer interface transport layer security tunneling protocol twinaxial cabling unix system v unix user datagram protocol virtual circuit voltage winsock xml