Quote:
Originally Posted by Frunze
That's like way too complex for me. Good thing someone (Solaris!) knows his stuff!
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Look at it this way: the overall download speed is a function of the capacity of all the steps between the server (where the information comes from) and the client (your computer). The 7.4Mb/s Dave mentions refers to the speed between his computer and his service provider (e.g. British Telecom). That is the absolute limit - it will not be possible to reach a higher speed, simply because the provider will not allow it.
There are two important further limits here:
(a) the capacity of the server itself - MP3Sparks will have a limit to the rate at which they can pump music onto the Internet. Just imagine how many people may be simultaneously downloading and/or previewing music.
(b) the sharing of capacity between users (this is known as 'contention'). The 7.4MB/s Dave mentions is not exclusive to him, and has to be shared with other users in his vicinity. For typical home users, the contention ratio is 1:20 or even 1:50, which means that capacity is shared by 20-50 people. In practice this means you can get very high download speeds as long as nobody else is trying to download large amounts of data. In other words, if everyone is just surfing the web, things will be pretty damn quick, but if every user on that segment is downloading music, movies or Windows Vista service packs, then things will become much slower.
HTH!