Quality of Service is a networking technique where certain types of traffic are given higher priority than less important traffic. Just like emergency vehicles are given priority on roads, business critical traffic is given higher priority than non-critical traffic.
Quality of service (QoS) is the overall performance of a telephony or computer network, particularly the performance seen by the users of the network. To quantitatively measure quality of service, several related aspects of the network service are often considered, such as error rates, bit rate, throughput, transmission delay, availability, jitter, etc.
In the field of computer networking and other packet-switched telecommunication networks, quality of service refers to traffic prioritization and resource reservation control mechanisms rather …