Savas Parastatidis

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The UK e-Science Programme is a £250M, 5 year initiative which has funded over 100 projects. These application-led projects are underpinned by an emerging set of core middleware services that allow the coordinated, collaborative use of distributed resources. This set of middleware services runs on top of the research network and beneath the applications we(More)
Permission to copy and display the Web Services Metadata Exchange Specification (the "Specification", which includes WSDL and schema documents), in any medium without fee or royalty is hereby granted, provided that you include the following on ALL copies of the Specification that you make: 1. A link or URL to the Specification at one of the Authors'(More)
There has been a lot of discussion in the community concerning the relationship between Web and Grid Services. This document presents an analysis of the Grid architecture and its relationship to the Web Services Architecture. It presents our views on the current version of the OGSI specification and then goes on to propose a different mapping of the Grid(More)
NaradaBrokering provides a messaging abstraction that allows it to provide message-related capabilities in a transparent fashion. These capabilities include message-based security, time and causal ordering, compression, virtualization of transport protocol and addressing, and fault tolerance related functionalities. NaradaBrokering – combined with further(More)
NaradaBrokering provides a messaging abstraction that allows it to provide message-related capabilities in a transparent fashion. These capabilities include message-based security, time and causal ordering, compression, virtualization of transport protocol and addressing, and fault tolerance related functionalities. NaradaBrokering ¿ combined with further(More)
The Sequencing Constraints (SC) SSDL Protocol Framework defines a collection of XML Infoset element information items that can be used to describe a multi-party, multi-message exchange protocol using notations based on the pi-calculus. Disclaimer The contents of this document may not reflect the views of, and may not be endorsed by, the employers of the(More)
Dynasoar is an infrastructure for dynamically deploying Web Services over a Grid or the Internet. It enables an approach to Grid computing in which distributed applications are built around services instead of jobs. Dynasoar automatically deploys a service on an available host if no existing deployments exist, or if performance requirements cannot be met by(More)