Reliability (computer networking): Difference between revisions

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[[Transmission Control Protocol]] (TCP), the main protocol used on the [[Internet]], is a reliable unicast protocol. [[User Datagram Protocol|UDP]] is an unreliable protocol and is often used in [[computer games]], [[streaming media]] or in other situations where speed is an issue and some data loss may be tolerated because of the transitory nature of the data.
 
Often, a reliable unicast protocol is also [[connection- oriented]]. For example, TCP is connection- oriented, with the [[virtual circuit|virtual-circuit]] ID consisting of source and destination [[IP address]]es and port numbers. However, some unreliable protocols are connection- oriented, such as [[Asynchronous Transfer Mode]] and [[Frame Relay]]. In addition, some connectionless protocols, such as [[IEEE 802.11]], are reliable.
 
==History==