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The Benefit of Stacking Multiple Peer-to-Peer Overlays

Author(s): Tobias Amft, Kalman Graffi.
Title: The Benefit of Stacking Multiple Peer-to-Peer Overlays
Published: Technical Report TR-2017-002, Technology of Social Networks Group, Heinrich Heine University, Düsseldorf, Germany, September 2017
Keyword(s):
Abstract: In the past decades, various concepts of peer-to-peer(P2P) systems have found their way to applications in industry.Each peer-to-peer application defines a set of basic requirements:being reliable, robust, efficient, sometimes anonymous, sometimeslocation-dependent. Due to the large variety of overlay protocolsand distributed services existing on the Internet, it is verylikely that multiple overlays coexist on single nodes. In thispaper, we investigate the synergy between multiple coexistingoverlays and broaden the insights about stacked and parallelexecuted overlays. Specifically, we identify typical functionalitiesand requirements of existing overlay systems and derive a core setof modules necessary to create a complete overlay. Furthermore,we discuss how to avoid redundant functionalities in coexistingoverlays and how to reduce operating costs. Finally, the benefitsof overlay synergies are demonstrated based on simulations ofChord, Geodemlia and a Gnutella-like flooding overlay runningtogether on one peer. It can be seen that overlay synergiesbetween arbitrary types of overlays may result in increasedfailure tolerance and reduced communication costs.
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