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Recently, it has been argued that reputation mechanisms could be used to improve routing by conditioning next-hop decisions to the past behavior of peers. However, churn may severely hinder the applicability of reputations mechanisms. In particular, short peer lifetimes imply that reputations are typically generated from a small number of transactions and are few reliable. To examine how high rates...
A number of routing schemes have been proposed to improve the lookup performance of distributed hash table (DHT). There are three representative routing schemes among existing DHTs: recursive routing, semi-recursive routing and iterative routing. To know which routing scheme is more efficient, this paper takes one of the most important DHTs -- Chord as an example to simulate the three representative...
Several models of user churn, resilience, and link lifetime have recently appeared in the literature [12], [13], [34], [35]; however, these results do not directly apply to classical distributed hash tables (DHTs) in which neighbor replacement occurs not only when current users die, but also when new user arrive into the system, and where replacement choices are often restricted to the successor of...
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