Dijjer and Freenet (RE: [p2p-hackers] clustering)

Daniel Stutzbach agthorr at cs.uoregon.edu
Tue Mar 21 02:53:57 UTC 2006


Here's the data we've collected, covering October 2004 through January 2006:

http://nazanin.ir/amir/Versions-nolog-norm.png

My original statement was a little misleading.  I don't have any way
to observe how often users *upgrade*, we can only measure what
ultrapeers are currently running.  Presumably, new users download the
latest version.

Also, now that I look at the figure again, I see that it's more than
"a small percentage" still running the old version after 2 months.
However, new versions do seem to consistency get more than 50% market
share within 2 months.

I should also add that by "version", I'm ignoring the third value in
the version number (mostly because including those would make the
graph impossible to read :) ).

On Mon, Mar 20, 2006 at 01:33:43PM -0500, Greg Bildson wrote:
> Define "most".  If you mean more than 70% (not sure of the exact
> percentage), I would have to disagree.
> 
> Thanks
> -greg
> 
> > From: p2p-hackers-bounces at zgp.org [mailto:p2p-hackers-bounces at zgp.org]On
> > Behalf Of Daniel Stutzbach
> > Sent: Monday, March 20, 2006 1:29 PM
> > To: Peer-to-peer development.
> > Subject: Re: Dijjer and Freenet (RE: [p2p-hackers] clustering)
> >
> >
> > On Mon, Mar 20, 2006 at 10:20:02AM -0800, Serguei Osokine wrote:
> > > 	You mean you did not expect to grow Dijjer and Freenet beyond
> > > 512K nodes before you'd have to replace all the client code? With
> > > today's P2P network sizes it might be a good idea to have the code
> > > that would be ready to scale into high millions at least - you never
> > > know when you might need it... :-)
> >
> > Most users upgrade their software within 2 months [1], so replacing
> > all the client code actually isn't that hard.  I'm assuming the
> > network is robust enough to keep working if a small percentage of
> > clients have the old code.
> >
> > [1] = based on measurements of LimeWire Ultrapeer users.  Amir
> > H. Rasti, Daniel Stutzbach, Reza Rejaie, "On the Long-term Evolution
> > of the Two-Tier Gnutella Overlay", to appear at the Global Internet
> > Symposium 2006.
> >
> 
> 
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-- 
Daniel Stutzbach                           Computer Science Ph.D Student
http://www.barsoom.org/~agthorr                     University of Oregon



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