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Low Cost, Fresh Peer Sampling for the Internet

Hive Streaming
Written by Warren Kelly | Published in
First published: 01-08-2013
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Size753.65 KB
Create DateOctober 1, 2014
Last UpdatedApril 20, 2015
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Our experience with commercially deployed P2P systems has shown that this cost is much higher than generally assumed. As such, peer sampling services often cannot provide fresh samples because the service would require too high a connection establishment rate.

In this white paper, we present the wormhole-based peer sampling service (WPSS). WPSS overcomes the limitations of existing protocols by executing short random walks over a stable topology and by using shortcuts (wormholes), thus limiting the rate of connection establishments and guaranteeing freshness of samples, respectively.

We show that our approach can decrease the connection establishment rate by one order of magnitude compared to the state of the art while providing the same levels of freshness of samples.