Grid workflow is an intuitive and convenient tool for user to use Grid services. It provides a framework for solving the remote sensing distributable computing problem in an integrated unified processing environment of Grid services. This paper firstly introduces the architecture of Grid workflow processing framework applying for remote sensing quantitative retrieval service. And then it gives ...

The Grid is realizing the vision of providing computation as utility: computation jobs can be scheduled on-demand in Grid hosts based on available computation capacity. In this paper, we study another emerging usage of Grid utility: the hosting of application services. Different from a computation job, an application service such as e-Laboratory or on-line shopping has longer lifetime, and perf...

This paper presents the analysis, design and implementation of security facilities within the edutain@grid infrastructure, to support secure hosting of Real-Time On-line Interactive Applications (ROIA). The edutain@grid project aims to develop a novel, sophisticated and service-oriented Grid infrastructure which provides a generic, scalable, reliable and secure service infrastructure for ROIA. ...

In this paper, we detail a novel SQL service based on radix tree data structures and we show how to multithread the service in order to execute it on distributed platforms. The SQL service is currently developed in the context of SMP platforms but should be deployed in the future on grid platforms. The development of the SQL service is part of the Grid Explorer project∗. The project (French par...

We study techniques to enforce and provision differentiated service levels in Computational Grid systems. The Grid offers simplified provisioning of peak-capacity for applications with computational requirements beyond local machines and clusters, by sharing resources across organizational boundaries. Current systems have focussed on access control, i.e., managing who is allowed to run applicat...

Grids facilitate the employment of various nodes comprising supercomputers, storage elements and databases that are distributed for resolving computational demanding problems in many disciplines of science and commerce (Foster, 2001). To utilize Grids effectively, an efficient allocation algorithm is needed to assign service tasks to Grid resources. Thus, assuming that a user wishes to perform ...

In modern on demand grid computing scenarios, services from different organisations will potentially run on the same web service engine of a grid node. Secure isolation of data and code of different service instances is a vital requirement in such an environment, since mutual trust cannot be assumed between all involved parties. For Java based Grid applications the Java virtual machine offers s...

Grid Computing, as an emerging technology, facilitates computer resource sharing, distribution over the Internet. Large-scale collaboration and engineering development for GRID Computing has been engaged world wide. The vigorous momentum of the technology has captured great business attention. The resources management in such large-scale distributed environment becomes a great challenge and wil...

Programming client-side applications based on composing units of distributed software is an important research issue in the Grid computing community. In this context, it is a key requirement to provide application developers with highlevel programming models and frameworks which are well supported by the underlying Grid architecture. In this paper we present an approach that applies a component...

The increasing number of infrastructure services requires the existence of mechanisms to discover and select services and resources, called service broker, based on customer requirements. This mechanism should improve the interoperability among customer-provider and be a backward compatible and light weight approach. The introduction of semantic annotations in service description (both function...