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The conception of grid-based Books resource sharing is proposed as well as the six-layer sharing platform architecture. The construction of the grid-based books resource sharing platform is discussed. Finally, the management process of grid-based books resource sharing platform is illustrated.
There are many ongoing research projects in the fusion technology field, including biological technology, environment technology, and information technology. Several studies have been conducted on optimized short jobs for virtual screening. It would be highly beneficial to investigate high-throughput computing for short jobs in virtual screening. If this technique proved functional on cluster or grid...
Combined with the grid development, this article analyzed the current widespread adoption of authentication mechanisms and researched GSI program and KX.509 program in different grid environment. With the proxy idea of KX.509, using and implementing a Web-login module to build the grid authentication model in the Globus environment. The module provides the transparent user certificate generation,...
Location service provides position of mobile destination to source node so that position based routing can be applied. Several quorum-based location services have been proposed. These location service protocols suffer from complex structure with high overhead, or host location foreknowledge, and difficulty in quorum construction. To overcome those deficiencies, we propose a novel quorum-based location...
While the rapidly increasing number of users and applications running on desktop grid (DG) systems does demonstrate its inherent potential, current DG implementations follow the traditional master-worker paradigm and DG middlewares do not cooperate. To extend the DG architecture, we propose a novel system, called BonjourGrid, capable of 1) creating, for each user, a specific execution environment...
This article presents a metadata catalog, intended for use in grids. The catalog provides high availability, by replication across several hosts. The replicas are kept consistent using a replication protocol based on the Paxos algorithm. A majority of the replicas must be available in order for the system to function. The data model used in the catalog is RDF, which allows users to create their own...
Large-scale data grid systems (LDGS) facilitate collaborative sharing of large collections (Petabytes and 100s of millions of objects) containing files, databases and data streams that are geographically distributed across heterogeneous resources and multiple administrative domains. LDGS provide a "universal view" of the distributed data, resources, users and methods and hide the idiosyncrasies...
This paper discusses the modern approach of the implementation of Software as a Service (SaaS) for NASA as a way to reduce cost and increase efficiency. The grid XML datastore framework is an extension of SaaS framework based on eXtensible Database technology (XDB). This is implemented to support the Innovative Partnership Program (IPP) for its Technology Transfer System (NTTS) project.
The authors have been leading the GEO Grid project since 2005. This project is primarily aiming at providing an e-Science infrastructure for the worldwide Earth Sciences community. The GEO Grid is designed to virtually integrate all relevant data as a VO-enabled service based on Grid technology, and as such, is accessible as a set of services. This kind of infrastructure is demanded not only by geoscience,...
Grid portals are web gateways aiming at providing a pervasive and ubiquitous access in grid to computational resources, tools, instruments, datasets and metadata via standard Web protocols. Moreover, they provide enhanced problem solving capabilities to deal with modern, large scale scientific and engineering problems. Data grid management systems are becoming increasingly important in the context...
Institutional desktop grid systems are attractive for running distributed applications with significant computational requirements. While the rapid increasing number of users and applications running on such systems does demonstrate the potential of desktop grid and institutional desktop grid, current implementations follow the old-fashioned master-worker paradigm. Obviously, vulnerability to failures...
Grid is a collection of distributed computing resources that performs tasks in co-ordination to achieve high-end computational capabilities by dividing a given task into sub-tasks. Each sub-task could be large and run for several hours or days on a number of grid nodes. If a sub-task fails to complete even on a single site, all the computations should be performed again. In scalable distributed systems,...
Current intrusion detection technology is limited in providing protection against the intrusions that may violate the security of computational grids. We present the problem of grid intrusion detection, describe the requirements of a system to detect them, propose a grid intrusion detection method, and show how it overcomes the limitations by integrating the detection of the typical host computer...
Network protocols often have time constraints. Robustness testing of protocol with time constraints aims to detect vulnerabilities of its implementation. However, related theory is not well developed. This paper proposes a novel Timed NPEFSM model containing sufficient inputs with various time values and their processing rules to formalize protocol with time constraints. In order to test delay transitions,...
Transaction scheduling models and control issues are two important problems in a distributed environment. A lot of research has been focused on the problems recently, and many models and measures (such as replication) have been proposed. However, some of them didn't fit for grid environment, as grid architecture is a new and distinguished from conventional distributed computing by its heterogeneous,...
After researching application of the business intelligence under network environment and grid technique which focus on information grid and OGSA-DAI, and for the need of integrating data and saving cost about enterprise, the technique of grid is combined with business intelligence network to carry out the enterprise cooperation and the knowledge share. A prototype of business intelligence network...
In domains of scientific and engineering computation, many applications share the characteristic that a large amount of batch jobs are included in the problem domain and these jobs can be executed concurrently on distributed resources. A register-based resource representing framework has been devised to allow these applications to be developed and executed independent of any specific resources, while...
This paper focuses on the management of raw event data files containing the electronic response to particle collisions in the LHCb detector at the LHC storage ring at CERN. The typical file life cycle is presented, starting from writing of raw event streams into files to transfer to the CERN tape storage system and to the offline GRID distributed processing infrastructure. A distributed solution centered...
Widely used approach to increase data availability and fault tolerance in grid systems is the data replication. Most of the grid data management and data replication solutions deal purely with read-only data sets. There is a lack of the tools that enable the management of updatable grid database replicas. This work presents a set of services for the replica content synchronization, which are designed...
The UNICORE grid system provides a seamless, secure and intuitive access to distributed grid resources. In recent years, UNICORE 5 is used as a well-tested grid middleware system in production grids (e.g. DEISA, D-Grid) and at many supercomputer centers world-wide. Beyond this production usage, UNICORE serves as a solid basis in many European and International research projects and business scenarios...
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