Technical Terms and Definitions

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TCP - Protocol

Abbreviation of Transmission Control Protocol, and pronounced as separate letters. TCP is one of the main protocols in TCP/IP networks. Whereas the IP protocol deals only with packets, TCP enables two hosts to establish a connection and exchange streams of data. TCP guarantees delivery of data and also guarantees that packets will be delivered in the same order in which they were sent. This is extremely useful for applications that require whole, unadulterated packets in order to communicate properly, such as POP3 and SMTP.