Re: [p2prg] New version of the mythbuster-ing draft

Fabio Hecht <hecht@ifi.uzh.ch> Fri, 21 August 2009 09:03 UTC

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From: Fabio Hecht <hecht@ifi.uzh.ch>
To: Enrico Marocco <enrico.marocco@telecomitalia.it>
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References: <4A8D1658.4070601@telecomitalia.it> <1250772957.20746.74.camel@bart2> <4A8D5A10.20403@telecomitalia.it>
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Date: Fri, 21 Aug 2009 11:03:47 +0200
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Subject: Re: [p2prg] New version of the mythbuster-ing draft
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Yes, they are rather indirect effects. Still I have not seen them being
considered.

Regards

Fabio



On Thu, 2009-08-20 at 16:13 +0200, Enrico Marocco wrote:
> This is actually interesting, but it seems to me that such effects are
> generically related to increase of available capacity (that of course is
> the implicit goal of traffic optimization, but is achieved also by
> regular upgrades of the network infrastructure) rather than specific to
> localization, no?
> 
> Enrico
> 
> Fabio Hecht wrote:
> > Hi Enrico,
> > 
> > two suggestion for myths: 
> > 
> > 1. Increased Overall Traffic
> > 
> > Considering that "Increased Application Performance" is very likely, it
> > is possible that P2P file-sharing users will download more files in less
> > time. Overall traffic at ISPs could therefore increase. Even though the
> > traffic will preferentially remain intradomain, it could reach a point
> > where there is an increase even in interdomain traffic. It is difficult
> > to estimate user behavior though.
> > 
> > 2. Shorter Content Lifetime
> > 
> > Also derived from "Increased Application Performance", it is possible
> > that P2P file-sharing peers will download content faster. In the case of
> > BitTorrent, for example, many peers would become seeders more quickly
> > and reach the sharing ratio threshold for stopping seeding faster. The
> > torrent would more quickly have no more seeders.
> > 
> > Regards
> > 
> > Fabio
> > 
> > 
> > On Thu, 2009-08-20 at 11:24 +0200, Enrico Marocco wrote:
> >> Hi all,
> >>
> >> we have just submitted an updated version of the draft that, as agreed
> >> in Stockholm and later on this list, is now an IRTF document and will be
> >> kept alive for a while to track advances in the field.
> >>
> >> The draft is available at:
> >> http://www.ietf.org/id/draft-irtf-p2prg-mythbustering-00.txt
> >>
> >> Diffs from the previous version can be found at:
> >> http://tinyurl.com/l2o6yt
> >>
> >> The new version should address most of the comments received on the
> >> mailing list -- please check if it does -- including comments from
> >> Arnaud sent back in February that for some reason got lost (my bad).
> >>
> >> The parts that need more work right now are probably those about
> >> possible impacts on peering/transit agreements and security. We heard
> >> some insightful comments in Stockholm and it would be great if people
> >> who have an opinion could share their thought and propose text on the
> >> list as well.
> >>
> >> _______________________________________________
> >> p2prg mailing list
> >> p2prg@irtf.org
> >> http://www.irtf.org/mailman/listinfo/p2prg
-- 
Fabio Hecht

University of Zurich - Department of Informatics (IfI)
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