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Latency, from a general point of view, is a time delay between the cause and the effect of some physical change in the system being observed. Lag, as it is known in gaming circles, refers to the latency between the input to a simulation and the visual or auditory response, often occurring because of network delay in online games.
The speed of light imposes a minimum propagation time on all electromagnetic signals. It is not possible to reduce the latency below = / where s is the distance and c m is the speed of light in the medium (roughly 200,000 km/s for most fiber or electrical media, depending on their velocity factor).
The latency is the delay between the process instruction commanding the transition and the hardware actually transitioning the voltage from high to low or low to high. System designers building real-time computing systems want to guarantee worst-case response.
Graphical depiction of contributions to network delay. Network delay is a design and performance characteristic of a telecommunications network.It specifies the latency for a bit of data to travel across the network from one communication endpoint to another.
When reliable delivery is necessary, packet loss increases latency due to additional time needed for retransmission. [ a ] Assuming no retransmission, packets experiencing the worst delays might be preferentially dropped (depending on the queuing discipline used), resulting in lower latency overall.
In a network simulation model with infinite packet queues, the asymptotic throughput occurs when the latency (the packet queuing time) goes to infinity, while if the packet queues are limited, or the network is a multi-drop network with many sources, and collisions may occur, the packet-dropping rate approaches 100%.
Łąg, Poland; Lag (company), a French guitar maker Lag (cue sports), a brief pre-game competition to determine which player will go first Latency (engineering), a slower response time in computing, communications, and engineering
Pages for logged out editors learn more. Contributions; Talk; Low latency