One of the most characteristic protocols used for data transmission on the Internet and in local area networks (LAN) via IP addresses is the Transmission Control Protocol (TCP).
TCP is a protocol that focuses on connections between two end points. This means that a stable connection is established before data is exchanged between two devices. The connection is maintained until all data has been transmitted or until one of the communication partners intentionally closes the TCP connection.
The reliability of TCP connections is a major advantage. The protocol can ensure that all transmitted data packets or TCP segments arrive correctly and in the right order after they have been confirmed by the recipient.
TCP software uses various mechanisms such as sequence numbers, acknowledgements and timeouts. A data packet is automatically resent to the destination IP address if it is lost or corrupted.
In contrast to the User Datagram Protocol (UDP), TCP uses a three-way handshake mechanism to establish a connection between the endpoints before data is transmitted. This mechanism ensures that both endpoints are ready to send and receive data before the transmission begins.
A TCP connection is often used as a file transfer protocol for applications that want to ensure data security. This group includes, for example, web browsers, email clients and file transfer programs. Even if this affects the transfer speed, it is essential for such applications that all data arrives exactly as it was sent.
In addition, a TCP connection enables complex network applications through the use of a KVM matrix switch. TCP is a reliable data connection. The protocol is essential for the smooth running of numerous network applications.
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