TCP and UDP: TCP/IP Transport Layer Protocols

616 Words Jan 10th, 2018 3 Pages
These two transport layer protocols TCP and UDP execute these services via the employment of IP. They use IP in the efficient routing of packets to their respective destination networks (Steinke,2001).The TCP is further noted by Steinke (2001) to be responsible for the provision of a reliable and yet connection-oriented byte-stream packet delivery while its counterpart UDP is noted to be responsible for the provision of a connectionless but rather unreliable packet delivery. In this paper we explain the work of the two TCP/IP transport layer protocols (TCP and UDP). In addition, describe how TCP and UDP manage key functions such as reliability, port addressing, and segmentation.
Transmission Control Protocol (TCP).
As noted earlier by noted by Steinke (2001), TCP is responsible for the provision of a reliable and yet connection-oriented byte-stream packet delivery. The TCP/IP protocol is a reliable protocol. This is due to the fact that the TCP/IP acknowledges all of the packets (segments) that one sends to the receiver. The reliability is achieved via a mechanism known as Positive Acknowledgement with Retransmission (PAR). TCP is therefore reliable due to the fact that it provides a seamless and yet reliable delivery of data. It achieves…

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