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Middleware technologies have been facilitating the communication between the distributed applications. Traditional messaging system’s are synchronous and have inherent weaknesses like – limited client connections, poor performance due to lack of resource pooling, no store-and-forward mechanism or load balancing, lack of guaranteed messaging and security as(More)
High performance Grid computing provides an infrastructure for access and processing of large volume, terabyte or even petabytes, of distributed data. Research in data grid has focused on security issues, resource ownership, infrastructure development and replication issues assuming presence of single transaction in the system. In this paper we highlight(More)
Increase in amount of data stored and requirement of fast response time has motivated the research in Parallel Database Systems (PDS). Requirement for correctness of data still remains one of the major issues. Concurrency control algorithms used by PDS uses single scheduler approach. Single scheduler approach has some inherent weaknesses such as – very big(More)