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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).
Maximum theoretical throughput is closely related to the channel capacity of the system, [2] and is the maximum possible quantity of data that can be transmitted under ideal circumstances.
This differs greatly from downstream not only in theory and usage, but also in that upstream speeds are usually at a premium. [1] Whereas downstream speed is important to the average home user for purposes of downloading content, uploads are used mainly for web server applications and similar processes where the sending of data is critical.
This is a list of countries by Internet connection speed for average and median data transfer rates for Internet access by end-users. The difference between average and median speeds is the way individual measurements are aggregated.
A packet-switched network transmits data that is divided into units called packets.A packet comprises a header (which describes the packet) and a payload (the data). The Internet is a packet-switched network, and most of the protocols in this list are designed for its protocol stack, the IP protocol suite.
In telecommunications, broadband or high speed is the wide-bandwidth data transmission that exploits signals at a wide spread of frequencies or several different simultaneous frequencies, and is used in fast Internet access. The transmission medium can be coaxial cable, optical fiber, wireless Internet , twisted pair cable, or satellite.
Another example can be found in FTP clients, which often support the File eXchange Protocol (FXP) in order to instruct two FTP servers with high-speed connections to exchange files. A web-based example is the Uppy file uploader that can transfer files from a user's cloud storage such as Dropbox , directly to a website without first going to the ...
A good download speed for basic use, like checking email or browsing news sites, is 50 Mbps, with higher speeds ideal for streaming or video. Upload speed. This measures how fast digital data is ...