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Glossary

Latency

Network Latency * The time it takes for a packet to cross a network connection, from sender to receiver. * The period of time that a frame is held by a network device before it is forwarded. Two of the most important parameters of a communications channel are its latency, which should be low, and its bandwidth, which should be high. Latency is particularly important for a synchronous protocol where each packet must be acknowledged before the next can be transmitted. OS Latency Let T be a task belonging to a time-sensitive application that requires execution at time t, and let t' be the time at which T is actually scheduled. OS latency as experienced by T as L= t' - t. http://www.possibility.com/epowiki/Wiki.jsp?page=ItsTheLatencyStupid