An Overview Of The Transmission Control Protocol (TCP)

by | Jul 17, 2021 | CCNA, Exclusive Articles, Network Fundamentals

TCP Segment Header

What is Transmission Control Protocol (TCP)?

The Transmission Control Protocol (TCP) is used as a highly reliable communication protocol between hosts in an IP network. TCP provides connection-oriented, reliable, ordered, and error-checked delivery of data. UDP or User Datagram Protocol, unlike TCP, provides connectionless transmission of data and it prioritizes time over reliability. So, TCP is good when communications should be reliable. World Wide Web, email, file transfer applications, etc. use the TCP protocol. And, UDP is good for real-time communications, as the VoIP.


In this article, we would discuss:

  • What is Transmission Control Protocol (TCP)?

  • TCP Operations

  • TCP Packet Format

  • How is a TCP connection established?

  • How is a TCP connection terminated?

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Amrita Mitra

Author

Ms. Amrita Mitra is an author, who has authored the books “Cryptography And Public Key Infrastructure“, “Web Application Vulnerabilities And Prevention“, “A Guide To Cyber Security” and “Phishing: Detection, Analysis And Prevention“. She is also the founder of Asigosec Technologies, the company that owns The Security Buddy.

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