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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. [1]
Throughput is controlled by available bandwidth, as well as the available signal-to-noise ratio and hardware limitations. Throughput for the purpose of this article will be understood to be measured from the arrival of the first bit of data at the receiver, to decouple the concept of throughput from the concept of latency.
A study in 2021 showed that the Starlink satellites orbit at 550 km altitude, with an average RTT latency of 45 ms. [39] Another study in 2022 showed that the latency of the Starlink network is 1.8 ms to 22.8 ms more than the latency of terrestrial networks according to a measurement study conducted in the Metro Vancouver area.
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.
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%.
Latency It might take a long time for each packet to reach its destination because it gets held up in long queues, or it takes a less direct route to avoid congestion. In some cases, excessive latency can render an application such as VoIP or online gaming unusable. Packet delay variation
InfiniBand (IB) is a computer networking communications standard used in high-performance computing that features very high throughput and very low latency.It is used for data interconnect both among and within computers.
Average latency = 0.5*Maximum latency Therefore, the rotational latency and resulting access time can be improved (decreased) by increasing the rotational speed of the disks. [ 5 ] This also has the benefit of improving (increasing) the throughput (discussed later in this article).
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