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On Mon, 2003-04-14 at 21:38, Robin H.Johnson wrote: |
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> Two questions here: |
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> How much bandwidth is required for each bittorrent tracker? Nowhere I |
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> have I seen this information. |
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I'm not sure, but since it is only tracking who is up/downloading which |
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file, I wouldn't imagine it would be very much. |
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> |
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> Secondly for people to be able to offer the package to the BT network, |
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> that means they would have it on their hard drive, and be running an |
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> active program to provide it 24x7. |
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There must be at least 1 person with the full file at all times, this is |
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generally (but does not have to be), the tracker server. |
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> So far what I have seen of BT is that |
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> it takes one program instance per tracked file. In that case things are |
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> going to get very big, very fast. |
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Yes, it does. I'm not sure of the overhead of each instance, but I've |
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come across sites with literally hundreds of files available. |
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> Additionally I certianly will not be |
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> letting people eat the bandwidth that I pay for on my servers at work. |
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I'm not asking you to. Set your upload cap to 2K and your simultaneous |
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uploads to 1 for all I care. You only need upload for as long as you |
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are downloading. Or, don't use it at all. |
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> Some residential cable and DSL ISPs are also very anal about bandwidth |
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> usage so that could cause serious issues there (a friends ISP limits him |
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> to 1GiB/day). |
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Then he probably wouldn't want to use it. My ISP doesn't limit my |
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usage, so I would use it. |
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> |
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> Your idea would be wonderful if bandwidth were free, or at least |
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> significently cheaper than it is now for much of the world. |
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But, in some parts of the world, it is pretty cheap, for those of us |
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that HAVE cheap bandwidth, we could be using each others and let those |
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of you with pay-by-the-minute access, small pipes, or bandwidth usage |
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limits make better use of the mirrors. Everybody is happy :) |
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> |
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> > A bittorrent server (this is the infrastructure part), that maintains |
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> > torrents of the larger packages (I define larger as 20MB+), such as |
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> > XFree. |
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> Looking at the master distfiles directory, there are 343 files larger |
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> than 10MiB. Only 140 files larger than 20MiB. There are 9316 files in |
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> total, spanning 18Gb. The 343 files take up 9.4Gb of space. So they are |
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> definetely out of proportion. So having a lower limit would be better. |
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I chose 20MiB as an arbitrary number as "something that doesn't download |
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instantaneously on my cable modem", lowering it to 10MiB would still |
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work. |
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Cheers, |
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|
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Caleb |
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-- |
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