The Transmission Control Protocol

Now, let's start talking about a protocol that does a lot of other important work in the TCP/IP suite. Remember that IP just tries to get your packets delivered and provides the addressing capabilities as its basic functions. Also, remember that IP doesn't allow for a reliable connection between two different computers. It leaves that function up to higher-level protocols, and TCP is one of those.

TCP controls the transmission of packets between two computers. IP provides the information needed to transport a packet along its way through the myriad of routers that make up the Internet, whereas TCP uses IP to create sessions between the two computers. TCP keeps track of the data it sends to IP for transmission, ...

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