Re: bittorrent slow

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On Wed, 2006-22-03 at 10:59 -0600, Robert Nichols wrote:
> Gene Heskett wrote:
> > On Wednesday 22 March 2006 03:59, Mike McCarty wrote:
> > 
> >>Florin Andrei wrote:
> >>
> >>[snip]
> >>
> >>
> >>>2. Some ISPs, especially in the US, _do_ restrict BitTorrent
> >>>In some cases, it's a layer 3 limiter which can be evaded by
> >>>shifting ports. In other cases it's a layer 4 limiter which usually
> >>>cannot be evaded by shifting ports, and may or may not be evaded by
> >>>encrypted clients.
> >>>If that's the case, take your business elsewhere and make sure to
> >>>let the former ISP know why you're leaving them.
> >>
> >>If I were your ISP, I'd be glad to see your backside.
> >>
> >>This attitude is part of why I said I'm philosophicaly opposed to
> >>BitTorrent.
> >>
> > 
> > Why?  Properly done, it doesn't make their data traffic any worse, in 
> > fact less "peaky".  I'm seeding both the cd's and the dvd of FC5 right 
> > now, with my upload rate set to around 60% of my up pipes width, and 
> > all other services are functioning normally.  Because torrent gets its 
> > data from closer peers rather than farther if it can determine that 
> > correctly, the worldwide amount of traffic should actually go down.  By 
> > quite measurable amounts.  This is offset to a large degree by the fact 
> > that more folks will make use of it when it works, as opposed to going 
> > after a 700 meg download from halfway around the planet because thats 
> > the only server for that file.
> 
> In most cable HSI systems, the number of available upload channels
> is only a small fraction of the number of available download
> channels.  The systems were engineered for an environment where
> users mostly download, and only occasionally upload.  With
> BitTorrent, the total upload volume is equal to the download
> volume (if you are ultimately giving back less than you receive,
> then someone else is uploading more than they received), and the
> cable system is not designed to support that.  I understand that
> one of the features of DOCSIS 2.0 is an increase in the available
> upload bandwidth, but I don't know of any cable HSI providers who
> have yet done the major upgrade of their systems needed to support
> that.
> 
> As for downloading from halfway around the world, your local ISP
> couldn't care less how far data might have travelled to reach their
> gateway routers.
Your right. But the poor sucker hosting the FTP server is getting beaten
senseless. :^(

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