[p2p-hackers] Actual availability of P2P systems

Wolfgang Müller wolfgang.mueller at wiai.uni-bamberg.de
Wed Jan 4 14:03:07 UTC 2006

Hi all,

I am aware of literature evaluating online times of single peers in 
structured/unstructured networks. However, I do not recall to have come 
across a paper that investigates the availability of the whole network in 
large fielded applications. I think it is improbable that there are no 
measurement studies answering my question, and I would be interested in any 
pointers I can get.

My main question is:

How often does it happen in existing P2P netowrks that significant parts of 
the network are really unreachable?

How high is the percentage of requests that fail (in the sense that they 
return a faulty result) in existing fielded DHT applications?

Looking forward to your replies,

Dr. Wolfgang Müller
LS Medieninformatik
Universität Bamberg
Check out the SIG MM web site http://www.sigmm.org

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