Bandwidth test

Bandwidth test (arvesti) on võrguteenus, mida kasutatakse arvesti kiirusega interneti-ühendust, saates ühe või enam faili teadaoleva suurusega üle võrgu kauge arvuti (näiteks, oma arvuti), pikkus on aeg, mis on vajalik failide edukalt lae sihtkohta, and thereby obtains a theoretical figure for the data speed between two or more points, usually in kilobits per second (Kbps) or megabits per second (Mbps).

Bandwidth test results vary greatly, even from moment to moment, and occasionally produce absurd or improbable figures. Factors that affect test results include: Internet traffic (speed generally decreases as volume increases) Variable propagation delays (can artificially inflate or degrade the result) Noise on data lines (has a real detrimental effect) The size(s) of file(s) used for the test The number of files used for the test The demand load on the test server at time of test Geomagnetic and/or thunderstorm activity Bandwidth or data transfer rate, is the amount of data that can be carried from one point to another in a given time period (usually a second).

Network bandwidth is usually expressed in bits per second (bps); modern networks typically have speeds measured in the millions of bits per second (megabits per second, or Mbps) or billions of bits per second (gigabits per second, or Gbps). Bandwidth is not the only factor that affects network performance: There is also packet loss, latency and jitter, all of which degrade network throughput and make a link perform like one with lower bandwidth. A network path usually consists of a succession of links, each with its own bandwidth, so the end-to-end bandwidth is limited to the bandwidth of the lowest speed link (the bottleneck).

Effective bandwidth is the highest reliable transmission rate a path can provideis measured with a bandwidth test. See määr võib määrata korduvalt mõõta aeg, mis on vajalik konkreetse faili lahkuda oma alguspunkti ja edukalt lae sihtkohta.

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