We show how to implement the-enhancements like iterative deepening, transposition tables, history tables etc. used in sequential chess programs in a distributed system such that the distributed algorithm proots by these heuristics as well as the sequential does. Moreover the methods we describe are suitable for very large distributed systems. We implemented these-enhancements in the distributed...

In a proxy signature scheme, a potential signer delegates his signing capability to a proxy entity, who signs a message on behalf of the original signer. All the proposals of proxy signature schemes made until now have been based on Schnorr's signature scheme. Threshold versions of these schemes have also been proposed, in which the power of the proxy signer is distributed among a group of play...

Configuration management in today’s data centers is largely a human activity. Where automation does exist it is usually implemented by centralized management tools that coordinate configuration actions across the entire infrastructure and applications. These systems are limited in scale, reliability, and security. We propose that dependable service configuration management is more naturally imp...