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Difference between TCP and UDP

Difference between TCP and UDP

Both TCP and UDP are transport layer protocols used to send data between hosts on a network. While they may seem similar, there are some important differences between the two. In this blog post, we’ll take a closer look at these differences, and explore when each protocol is most appropriate.

What is TCP?

TCP is a transport layer protocol that provides reliable, ordered delivery of data packets over an IP network. TCP uses a three-way handshake to establish a connection between two devices before any data can be exchanged. Once the connection is established, TCP uses a sliding window mechanism to ensure that data is delivered in the correct order. If any packets are lost or corrupted, TCP will retransmit them until they are correctly received. This makes TCP a reliable protocol for applications that require accurate delivery of data, such as file transfers and email. However, the reliability of TCP comes at the cost of increased latency and lower throughput compared to other protocols such as UDP.

What is UDP?

UDP, or User Datagram Protocol, is a communication protocol that offers a simple way to send and receive data over a network. UDP does not require extensive error checking or delivery confirmation, making it ideal for applications that need to transmit data quickly, such as video streaming or gaming. However, this also means that UDP is less reliable than other protocols, such as TCP. When using UDP, it is possible for packets of data to be lost or delivered out of order. For this reason, UDP is typically used for applications where reliability is not as important as speed.

Difference between TCP and UDP

When most people think of the internet, they imagine a huge network of computers all connected to each other. In reality, the internet is more like a giant telephone system, with each computer acting as its own little phone. Just like a telephone system, the internet has to have some way of routing information from one place to another. This is where protocols come in. A protocol is simply a set of rules that dictate how information should be transmitted over a network. The two most common protocols used on the Internet are TCP and UDP.

TCP, or Transmission Control Protocol, is a connection-oriented protocol. This means that when two computers want to communicate with each other using TCP, they first establish a connection.

Conclusion

In conclusion, TCP is a more reliable protocol because it guarantees the delivery of packets, while UDP does not. However, UDP is faster and can handle larger payloads. If you need to send information quickly and do not mind if some packets are lost along the way, then UDP is the better choice. Otherwise, TCP should be used for most applications.

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