Web Services

Sotomayor, Borja

doi:10.1016/b978-012369404-1/50006-4

Cited by 23 publications

(20 citation statements)

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“…Making network-available resources is achieved by using a set of functionalities and technologies, not provided by grid applications themselves, but by the grid middleware, a set of extremely complex pieces of software, commonly found as the basis of most grid technologies [9,10].…”

Section: Introductionmentioning

confidence: 99%

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Monitoring and Analysis Framework for Grid Middleware

Noil

Julià

Carrera

et al. 2007

15th EUROMICRO International Conference on Parallel, Distributed and Network-Based Processing (PDP'07)

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As the use of complex grid middleware becomes widespread and more facilites are offered by these pieces of software, distributed Grid applications are becoming more and more popular. But as Grid middleware grows in size and offers more advanced features, they become more complex and heavier, as well as harder to tune. Since the performance of a distributed Grid application can be strongly influenced by the operation of the underlying grid middleware, it becomes of extreme importance to study and analyse its behaviour and performance.In this paper we present the eDragon Monitoring Framework (eDMF), a set of tools that can be used for the instrumentation and analysis of grid middleware, and which provides a unique environment to study the performance of Grid applications. The eDMF is composed of a set of specialised monitoring tools as well as by a flexible and powerful performance analysis platform. Additionally we also provide a practical application of the eDMF to the Globus Toolkit 4 (GT4), one of the most extended and popular Grid middleware, showing how it helped us in the detection and resolution of several job management problems observed in the GT4 middleware.

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Section: Introductionmentioning

confidence: 99%

“…As a testbed for the extensive capabilities of the eDMF framework, it was put to work on measuring the performance of the Globus Toolkit 4 (GT4) [10], one of the most promising and extended grid middleware systems in the market. A global view as well as a detailed statistical analysis of the execution was achieved.…”

Section: Introductionmentioning

confidence: 99%

Monitoring and Analysis Framework for Grid Middleware

Noil

Julià

Carrera

et al. 2007

15th EUROMICRO International Conference on Parallel, Distributed and Network-Based Processing (PDP'07)

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Section: La Alianza Globus Y El Middleware Globus Toolkitunclassified

“…Está compuesto a su vez de dos componentes, el servicio factoría FactoryGMarteGS y el servicio instancia GMarteGS, siguiendo las recomendaciones de [161]. Por una parte, el servicio factoría se encarga de crear nuevos WS-Resource, es decir, nuevas sesiones de metaplanificación, o lo que es lo mismo, un nuevo objeto MetaschedulingSession.…”

Section: Arquitectura E Implementaciónunclassified

“…Una vez confirmada el alta, el usuario procede a crear un proxy mediante el cual se realiza el acceso a los recursos computacionales, y que identifica al usuario durante el periodo de vida del proxy. Es posible encontrar una descripción más detallada de la funcionalidad ofrecida por GSI en [161].Globus Toolkit no es elúnico middleware Grid existente en la actualidad. Sin embargo, ha sido el marco de referencia de desarrollos posteriores llevados a cabo por diferentes proyectos de investigación.…”

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Computación de altas prestaciones sobre entornos grid en aplicaciones biomédicas: simulación de la actividad eléctrica cardiaca y diseño de proteínas

Martínez¹

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The important research advances, in many scientific areas, have been fostered by an improvement of the computational strategies employed. As an example, High Performance Computing enables the collaborative usage of multiple processors to accelerate the resolution of scientific problems, and even to face large problems.However, there are several scientific applications whose computational requirements can exceed the computing capacities of a single organisation. This way, the recent advances in the bandwidth of the communication networks have leveraged the idea of joining geographically distributed resources, creating a global computing infrastructure known as the Grid.This thesis combines High Performance Computing and Grid Computing in order to accelerate the execution of scientific applications, and to allow solving problems that can not be solved, in a reasonable time, with the resources of a single organisation.For that purpose, a system that offers an abstraction layer to simplify the execution of general scientific applications, in Grid infrastructures, has been developed. This system, called GMarte, provides metascheduling functionality for the concurrent execution of parallel applications on resources based on the Globus Toolkit, the standard software in computational Grids. Later, and according to the current trend towards service-oriented architectures, a metascheduler Grid service has been created, featuring interoperability and based on standard technologies. This Grid service offers metascheduling functionality to multiple clients, which use high-level graphical applications to interact with it, using security mechanisms for data protection. This way, it is possible to simplify and foster the usage of Grid technologies for the efficient execution of scientific applications.The proposed computational approach has been applied to two biomedical applications: the cardiac electrical activity simulation and the protein design with targeted properties. First of all, a parallel simulation system of the action potential propagation on cardiac tissues has been developed.Secondly, an efficient system has been implemented for the design of proteins. In both cases, the usage of High Performance Computing has enabled to accelerate the executions as well as to face larger dimension problems.Finally, executions of both applications have been performed over different Grid deployments, in order to evaluate the advantages of a strategy that combines both computationally advanced techniques. 3 Títol Computació d'Altes Prestacions en Entorns Grid en Aplicacions Biomèdiques: Simulació de l'Activitat Elèctrica Cardiaca i Disseny de Proteines ResumEls importants avanços en la investigació, de nombrosesàrees de coneixement, han vingut propiciats per una millora en les estratègies de computació emprades. A mode d'exemple, la Computació d'Altes Prestacions permet la utilització col·laborativa de múltiples processadors per a accelerar la resolució de problemes científics, i fins i tot abordar problemes de major dimens...

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Globus Toolkit Version 4: Software for Service-Oriented Systems

Foster

2005

Lecture Notes in Computer Science

971

579

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Abstract. The Globus Toolkit (GT) has been developed since the late 1990s to support the development of service-oriented distributed computing applications and infrastructures. Core GT components address, within a common framework, basic issues relating to security, resource access, resource management, data movement, resource discovery, and so forth. These components enable a broader "Globus ecosystem" of tools and components that build on, or interoperate with, core GT functionality to provide a wide range of useful application-level functions. These tools have in turn been used to develop a wide range of both "Grid" infrastructures and distributed applications. I summarize here the principal characteristics of the latest release, the Web services-based GT4, which provides significant improvements over previous releases in terms of robustness, performance, usability, documentation, standards compliance, and functionality.

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Web Services

Cited by 23 publications

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Monitoring and Analysis Framework for Grid Middleware

Monitoring and Analysis Framework for Grid Middleware

Computación de altas prestaciones sobre entornos grid en aplicaciones biomédicas: simulación de la actividad eléctrica cardiaca y diseño de proteínas

Globus Toolkit Version 4: Software for Service-Oriented Systems

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