Band width is an expression for how many data can be moved over the network via e.g. a cable within a certain time. E.g. a 56K modem is twice the "width" of a 28K modem. The unit is bps: bits/second. So actually we talk about 28 Kbps or 28,800 bits/second. (Note that when we talk about harddiscs we talk about bytes, and there's 8 bits in a byte. A byte is typically enough for a (small) number or a letter.)
       If the network doesn't have enough band width, TCP/IP packages will be lost, and things will slow down, or not work at all.

Concept last updated: 16/09 2003.


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Other sources

ASP, PHP Bandwidth Bibliotek