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Measuring Large Overlay Networks - The Overnet Example

TitleMeasuring Large Overlay Networks - The Overnet Example
Publication TypeConference Paper
Year of Publication2005
AuthorsKutzner, K, Fuhrmann, T
Conference NameKonferenzband der 14. Fachtagung Kommunikation in Verteilten Systemen (KiVS 2005)
Conference LocationKaiserslautern, Germany
ISBN Number978-3-540-24473-8
Keywordsdistributed hash table, overlay networks, P2P
Abstract

Peer-to-peer overlay networks have grown significantly in size and sophistication over the last years. Meanwhile, distributed hash tables (DHT) provide efficient means to create global scale overlay networks on top of which various applications can be built. Although filesharing still is the most prominent example, other applications are well conceivable. In order to rationally design such applications, it is important to know (and understand) the properties of the overlay networks as seen from the respective application.
This paper reports the results from a two week measurement of the entire Overnet network, the currently most widely deployed DHT-based overlay. We describe both, the design choices that made that measurement feasible and the results from the measurement itself. Besides the basic determination of network size, node availability and node distribution, we found unexpected results for the overlay latency distribution.

URLhttp://i30www.ira.uka.de/research/publications/p2p/
DOI10.1007/b138861
AttachmentSize
PDF icon kutzner05overnet.pdf355.8 KB