NIC (Network File System) Network File System NIC (Network Information Center) Network Information Center Nit (Network Interface TAP) Network Interface Pie (a program of S Un Company) NNTP (NetWork News Transfer Protocol) Network News Transfer Protocol NOAO (National Optical ASTRONOMY OBSERVATORIES National Optical Optical Optical Observatory NOP (No Operation) Non-operated NSFNET (National Science Foundation NSI (NASA Science Internet) (USA) NASA I NTERNE TNTP (Network Time Protocol) Network Time Agreement NVT (Network virtual terminal) network virtual terminal OSF (open software Foudation) open software Foundation OSI (open Systems Interconnection) open Systems Interconnection OSPF (open shortest path First) open shortest path First PAWS (Protection Against Wrapped Sequence number) to prevent the PDU sequence number rewound ( Protocol Data Unit) Protocol Data Unit POSIX (Portable Operating System Interface) Primary Operation System Interface PPP (Point-to-Point Protocol) Point-to-Point Protocol PSH (Push) TCP First Emergency Sign Rarp (Reverse Address Resolution Protocol) Reverse Address Analysis The documentation of the RFC (Request for Comments) Internet,
