Tork: A Variable-Hop Overlay for Heterogeneous Networks

Authors:
Alan Brown;John Buford;Mario Kolberg
Affiliations:
University of Stirling, UK;Panasonic Princeton Lab, USA;University of Stirling, UK
Venue:
PERCOMW '07 Proceedings of the Fifth IEEE International Conference on Pervasive Computing and Communications Workshops
Year:
2007

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Cited 1

Chameleon: an adaptable 2-tier variable hop overlay

CCNC'09 Proceedings of the 6th IEEE Conference on Consumer Communications and Networking Conference

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Abstract

We present a new variable-hop peer-to-peer overlay that combines active stabilization and opportunistic maintenance to provide overlay nodes with a large range of hop-count versus peer bandwidth capabilities. Because of the variable-hop design, Tork is suitable for use in large-scale heterogeneous peer-to-peer networks where peers have a range of bandwidth capacities. For high-bandwidth peers Tork has O(1)-hop performance, and for low-bandwidth, most likely mobile peers, Tork has multi-hop performance. We further show that mapping overlay messaging to multi-destination routing in the underlay reduces Tork message overhead by up to 35%.