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Dynamics in Large-Scale Peer-to-Peer-Networks

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons45413

Schneider,  Thorsten
Algorithms and Complexity, MPI for Informatics, Max Planck Society;

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Schneider, T. (2006). Dynamics in Large-Scale Peer-to-Peer-Networks. Master Thesis, Universität des Saarlandes, Saarbrücken.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-22A2-0
Abstract
Performing automated tests can help to identify errors with much less effort than testing complex programs manually. Setting up such tests on Peer-to-Peer networks is not an easy task because many machines have to be synchronized while peers should follow a join and leave pattern similar to the real-world behavior. This work develops real-world user behavior models and a simulation framework which is subsequently used to evaluate Minerva, a Peer-to-Peer Web search prototype system developed at MPI. The simulation framework is deployed on the MPI cluster to set up large-scale networks in a fully automated way. Measurements are conducted on the freshness and availability of data in Minerva and compared to theoretical forecasts that are calculated with help of the user behavior models. The experimental results show that the general system design is scalable and the implementation of Minerva is correct.