The TCP is one of the main protocols of the Internet protocol suite.
The entire communications suite is commonly referred to as TCP/IP.
With TCP, systems can send reliable, ordered, and error-checked delivery messages, or octets, to other hosts on an IP network.
The internet, email, file transfer, and remote system administration depend on TCP. Thus, TCP is a critical piece of the Transport Layer of the TCP/IP suite.
Additionally, SSL/TLS is commonly used with TCP communications.
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