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2. Network performance - Wikipedia

   en.wikipedia.org/wiki/Network_performance

   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).

3. Network delay - Wikipedia

   en.wikipedia.org/wiki/Network_delay

   It specifies the latency for a bit of data to travel across the network from one communication endpoint to another. [1] [2]: 5 It is typically measured in multiples or fractions of a second. Delay may differ slightly, depending on the location of the specific pair of communicating endpoints.

4. Speedtest.net - Wikipedia

   en.wikipedia.org/wiki/Speedtest.net

   Speedtest.net, also known as Speedtest by Ookla, is a web service that provides free analysis of Internet access performance metrics, such as connection data rate and latency. It is the flagship product of Ookla, a web testing and network diagnostics company founded in 2006, and based in Seattle, Washington, United States. [5] [6]

5. Measuring network throughput - Wikipedia

   en.wikipedia.org/wiki/Measuring_network_throughput

   Reasons for measuring throughput in networks. People are often concerned about measuring the maximum data throughput in bits per second of a communications link or network access. A typical method of performing a measurement is to transfer a 'large' file from one system to another system and measure the time required to complete the transfer or ...

6. Latency (engineering) - Wikipedia

   en.wikipedia.org/wiki/Latency_(engineering)

   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]

7. ping (networking utility) - Wikipedia

   en.wikipedia.org/wiki/Ping_(networking_utility)

   ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It is available for virtually all operating systems that have networking capability, including most embedded network administration software.

8. Quality of service - Wikipedia

   en.wikipedia.org/wiki/Quality_of_service

   Quality of service (QoS) is the description or measurement of the overall performance of a service, such as a telephony or computer network, or a cloud computing service, particularly the performance seen by the users of the network.

9. Round-trip delay - Wikipedia

   en.wikipedia.org/wiki/Round-trip_delay

   RTT is a measure of the amount of time taken for an entire message to be sent to a destination and for a reply to be sent back to the sender. The time to send the message to the destination in its entirety is known as the network latency, and thus RTT is twice the latency in the network plus a processing delay at the destination. The other ...