Comcast blocking p2p uploads
Andy Davidson
andy at nosignal.org
Mon Oct 22 09:17:04 UTC 2007
On 21 Oct 2007, at 01:27, Leo Bicknell wrote:
> But back the the original premise. If say, Linux is being distributed
> both from a central web site, and via P2P:
> 1) Central web site. All but the one ISP with the web site will
> have the traffic going over peering or worse transit, and will
> often be carrying them thousands of miles from the central point.
> 2) P2P. Has a good chance at least some seeders will be on the same
> network, avoiding peering and transits for some fraction of the
> traffic. Has a good chance the seeders are closer to the user
> than the web site, perhaps even on the same cable segment.
In the UK at least, option 1) is financially more favourable for
ISPs, since the data flow is
vendor -> transit -> last mile -> end user,
rather than
end user -> last mile -> last mile -> end user.
The last mile is where all the costs are.
Andy
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