[BitTorrent] Bittorrent as a large-scale software distribution system

Olaf van der Spek OvdSpek at LIACS.NL
Sat Jun 5 14:21:59 EDT 2004

----- Original Message ----- 
From: "Elliott Mitchell" <ehem at m5p.com>
To: <BitTorrent at yahoogroups.com>
Sent: Saturday, May 29, 2004 12:33 AM
Subject: Re: [BitTorrent] Bittorrent as a large-scale software distribution

> > From: Jesus Cea Avion <jcea at argo.es>
> > > Do peers share information about other peers amongst themselves in the
> > > bt protocol?  If so you may have a difficult time keeping the network
> > > segregated by routing domain using the tracker.  it would then require
> > > cooperation of the clients based on instructions from the tracker.
> >
> > My idea could be that the BT clients in the mirrors could be BGP4 aware,
> > not the tracker. The mirror could refuse to unchoke connections with a
> > AS metric outside the local policies decision. Or any other locally
> > enforced rule.
> >
> > You can't do that on the tracker because the mirrors can have a very
> > different network (BGP4) view. I'd rather prefer the tracker giving away
> > peers that could never unchoke "distant"/transcontinental connections.
> > Or, put simply, the tracker doesn't know anything about access policy
> > local to the mirror.
> I think this is unreasonable. This would require a change in *all*

No, it would only require the high-bandwidth clients (on the HTTP mirrors)
to be changed.

> clients, those who do not care won't bother implementing it and destroy
> the value of the idea. Second, this requires all clients to have a BGP
> feed, which will be difficult for most people to obtain (not to mention
> this will eat precious bandwidth elsewhere).

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