Comparing Maintenance Strategies for Overlays

Krishnamurthy, Supriya and El-Ansary, Sameh and Aurell, Erik and Haridi, Seif (2008) Comparing Maintenance Strategies for Overlays. In: 16th Euromicro International Conference on Parallel, Distributed and Network-based Processing, 13-15 Feb 2008, Toulouse, France.

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In this paper, we present an analytical tool for understanding the performance of structured overlay networks under churn based on the master-equation approach of physics. We motivate and derive an equation for the average number of hops taken by lookups during churn, for the Chord network. We analyse this equation in detail to understand the behaviour with and without churn. We then use this understanding to predict how lookups will scale for varying peer population as well as varying the sizes of the routing tables. We also consider a change in the maintenance algorithm of the overlay, from periodic stabilisation to a reactive one which corrects fingers only when a change is detected. We generalise our earlier analysis to understand how the reactive strategy compares with the periodic one.

Item Type:Conference or Workshop Item (Paper)
Additional Information:Also published as SICS technical report 2007:01.
ID Code:2691
Deposited By:Vicki Carleson
Deposited On:07 Apr 2008
Last Modified:18 Nov 2009 16:13

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