The Transmission Control Protocol/Internet Protocol (TCP/IP) is the basis of most of the communication on modern networks and the Internet alike. As an administrator, you must know about TCP/IP or you'll never get your network working. In most respects, TCP/IP isn't a complex protocol for communicating between computers because its originators designed it to provide simple, robust, and reliable service. (Get the TCP/IP facts at
The ways in which networks use TCP/IP does complicate matters. The same protocol that connects machines on the network can also connect you to any machine worldwide on the ...