NAT Network Address Translation
Developed by the IETF standards, will enable the same local area network (LAN) computers communicate with each other using a set of IP addresses through NAT BOX device for Internet (INTERNET) access to the use of another group of IP addresses.

NC
1. NETWORK COMPUTER: a use fewer resources (CPU POWER, MEMORY, STORAGE) computer from the network server (SERVER) to provide storage space, very similar to the diskless workstation (DISKLESS WORKSTATION), but the main operations from the server to perform, usually designed to be connected to the Internet (INTERNET) or the INTRANET to use it. NC able to claim the body down total cost of ownership (TCO), and easy to manage, because NC is basically no soft-hard input and output devices, all of the management can focus on a computer or server on. WINTEL developed by the specification referred to as NET PC.2.

NDS Netware Directory Service
By Novell (NOVELL) developed based on X.500 directory service (SIRECTORY SERVICE) system.

NetBEUI NetBIOS Extended User Interface
LAN MANAGER by IBM for the development of the protocol (PROTOCOL), designed to use 20 to 200 nodes (NODE) of the local area network (LAN),.