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Topic: Open Grid Services Architecture

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	Open Grid Services Architecture - Wikipedia, the free encyclopedia
		OGSA is based on several other web service technologies, notably WSDL and SOAP, but it aims to be largely agnostic in relation to the transport-level handling of data upon the Grid.
		The OGSA specification is derived from work presented in the paper "The Physiology of the Grid" by Ian Foster, Carl Kesselman, Jeffrey M. Nick, and Steven Tuecke.
		The Open Grid Services Infrastructure (OGSI) is related to OGSA, as it was originally intended to form the basic “plumbing” layer for OGSA.
	en.wikipedia.org /wiki/Open_Grid_Services_Architecture (188 words)

	Open Collaborative Grid Services Architecture (OCGSA) (Site not responding. Last check: 2007-10-03)
		OGSA allows Grid service developers to define customized metadata for individual applications in addition to the standard set of required service data elements.
		The collaborative Grid description language is an extension to the Grid service description language (gsdl) defined by OGSA and is used to describe details of a collaborative Grid service.
		The Event Archiving service can be considered as a specialization of a generic DataStorage Grid service that provides a Grid service interface to a native XML database (NXD) implementing all the generic operations required to manipulate the XML database that can store any XML document including event logs.
	ewic.bcs.org /conferences/2002/euroweb/session4/paper2html.htm (3663 words)

	Open Grid Services Architecture (Site not responding. Last check: 2007-10-03)
		The Open Grid Services Architecture (OGSA) is a specification for a grid computing environment for business and scientific use.
		OGSA is based on several other web service technologies, notably WSDL and SOAP.
		The OGSA specification is given in the paper "The Physiology of the Grid" by Ian Foster, Carl Kesselman, Jeffrey M. Nick, and Steven Tuecke.
	www.centipedia.com /articles/Open_Grid_Services_Architecture (117 words)

	Bridging the integration gap, Part 1: Federating grid data
		This method allows for open standards to be adopted and flexibility within the data grid to adapt to changing quality of service requirements for a heterogeneous environment.
		The registry is a key concept of a data grid, and it is our opinion that it is important to allow this registry to be updated from any service or component within the grid.
		This opens the possibility for additional information to be added to the registry dynamically as data is added, replicated, or distributed within the grid.
	www.ibm.com /developerworks/grid/library/gr-feddata (4250 words)

	GRid Interoperability Project (Site not responding. Last check: 2007-10-03)
		OGSA presented an opportunity to influence the standards which were to be developed directly and to start developments that allow UNICORE to interoperate not only with UNICORE but with Grid Services in general, once there definition of the services and their interfaces became mature.
		OGSA does not change the overall objectives of GRIP, it influences directly some of the deliverables during the course of the project.
		Some contributions to the Global Grid Forum have to change because it is mandatory to influence the definitions of OGSA and to exploit the strength of the current UNICORE achievements.
	www.grid-interoperability.org (1225 words)

	Globus: OGSA - The Open Grid Services Architecture
		OGSA is a product of the Grid community at large, and it has a major focal point in the Global Grid Forum (GGF).
		A two-part introduction on ogsa and developing grid computing applications using the Globus Toolkit can be found on the IBM developerworks website: part i and part ii.
		The first prototype Grid service implementation was demonstrated on January 29, 2002, at a Globus Toolkit tutorial held at Argonne National Laboratory.
	www.globus.org /ogsa (464 words)

	Business Wire: Entropia Announces Support for Open Grid Services Architecture; New Architecture Will Enable Seamless ... (Site not responding. Last check: 2007-10-03)
		The Globus Project is an open source activity led by Ian Foster of Argonne National Laboratory and the University of Chicago and Carl Kesselman of the University of Southern California.
		OGSA will enable a wealth of commercial applications to be added to the scientific applications already available on Grid systems," said Andrew Chien, chief technical officer and co-founder of Entropia.
		Grids are persistent environments that enable software applications to integrate instruments, displays, computational and information resources that are managed by diverse organizations in widespread locations.
	www.findarticles.com /p/articles/mi_m0EIN/is_2002_Feb_21/ai_83110991 (790 words)

	Fujitsu choose Glue to integrate with its Open Grid Services Architecture (OGSA) implementation Web Services Grid ... (Site not responding. Last check: 2007-10-03)
		Fujitsu Laboratories' European branch is developing an implementation of the Open Grid Services Architecture (OGSA) based on Arcon, its implementation of the Unicore grid environment (www.unicore.org).
		OGSA is a set of enhancements to web services to provide the necessary functions to operate a grid.
		Based on a P2P architecture for reliability and scalability, GAIA is a grid services platform that is currently in development.
	www.webservices.org /index.php/ws/content/view/full/2591 (738 words)

	Physics Today February 2002
		Grid tools are concerned with resource discovery, data management, scheduling of computation, security, and so forth.
		Examples of collective services include directory and brokering services for resource discovery and allocation; monitoring and diagnostic services; data replication services; and membership and policy services for keeping track of who in a community is allowed to access resources.
		At the top of any Grid system are the user applications, which are constructed in terms of, and call on, the components in any other layer.
	www.aip.org /pt/vol-55/iss-2/p42.html (3443 words)

	GlobusWORLD, the Premier Grid Conference
		GlobusWORLD, organized by the designers and developers of the open source Globus Toolkit, is one of the premier events in the grid arena and has attracted a large number of attendees and exhibitors in past years.
		Help your enterprise discover the benefits of the Grid and the open source Globus Toolkit, learn how to develop and manage Grid applications and see why the Grid is vital to the future of your organization.
		Grid Computing promises to provide scalable, secure, and reliable mechanisms for sharing computing power, distributed data, information, and other connected resources across corporate, institutional, and geographic boundaries.
	www.globusworld.org (1172 words)

	GRIDtoday: WHAT IS THE GRID? A THREE POINT CHECKLIST
		Ultimately the Grid must be evaluated in terms of the applications, business value, and scientific results that it delivers, not its architecture.
		However, such a system is not a Grid itself, due to its centralized control of the hosts that it manages: it has complete knowledge of system state and user requests, and complete control over individual components.
		The Grid: The Need for InterGrid Protocols my checklist speaks to what it means to be "a Grid," yet the title of this article asks what is "the Grid." This is an important distinction.
	www.gridtoday.com /02/0722/100136.html (1134 words)

	GridForge: Project Summary - Open Grid Services Architecture (Site not responding. Last check: 2007-10-03)
		The purpose of the OGSA Working Group is to achieve an integrated approach to future OGSA service development via the documentation of requirements, functionality, priorities, and interrelationships for OGSA services.
		Topic areas that we expect to scope and discretize early are common resource model and service domain mechanisms, but the precise set to be addressed will be determined in early discussions.
		The output of this WG will be an OGSA architecture roadmap document that defines, scopes, and outlines requirements for key services.
	forge.gridforum.org /projects/ogsa-wg (357 words)

	InformationWeek > Grid Computing > Living On The Grid > June 17, 2002
		Grid computing also reflects changing ideas about the nature of software, who owns it, and where it resides.
		The only problem is, the grid is about where the Web was in 1994: academically interesting, attractive to progressive companies, but still missing the key ingredients necessary to achieve critical mass.
		Grids built with Globus authenticate users by issuing electronic certificates, but there's no guarantee businesses will want to advertise their computing resources on a meganetwork.
	www.informationweek.com /story/IWK20020613S0014 (2491 words)

	Grid Computing Planet: IBM Says Its Grid Services Contributions Will Be Royalty-Free
		The Open Grid Services Architecture vision for the convergence of Web services and Grid computing received a big boost today when IBM announced that its contributions to the core Grid Services Specification will be royalty-free.
		OGSA began as a joint effort between IBM and the Globus Project - the team that created the open source Globus Toolkit, the de-facto Grid computing standard - but has since expanded to become a broader Global Grid Forum effort.
		IBM's announcement comes on the eve of a Grid Forum meeting in Chicago that is expected to move the core Grid Service Specification closer to completion.
	www.gridcomputingplanet.com /news/article/0,,3281_1480781,00.html (597 words)

	The Globus Alliance
		Scientists in the Earth System Grid (ESG) are producing, archiving, and providing access to climate data that informs research on global climate change.
		The Globus Alliance is a community of organizations and individuals developing fundamental technologies behind the "Grid," which lets people share computing power, databases, instruments, and other on-line tools securely across corporate, institutional, and geographic boundaries without sacrificing local autonomy.
		A growing number of projects and companies are using the Globus Toolkit to unlock the potential of grids for their cause.
	www.globus.org (204 words)

	IBM News - United States 2002-02-20 IBM, Globus announce open grid services
		Their white paper, "The Physiology of the Grid: An Open Grid Services Architecture for Distributed System Integration" was presented at the Global Grid Forum.
		OGSA is already receiving support from several industry organizations, including AVAKI, a provider of commercial grid software solutions; Entropia, a provider of PC-based distributed computing grid technology to the enterprise; Microsoft; and Platform Computing, a provider of distributed computing software.
		Web services, grid computing, and virtualization are three of the most important techniques taking us to the next step of using the Internet as a business computing platform," said Jonathan Eunice, principal analyst and IT advisor, Illuminata Inc.
	www.ibm.com /news/us/2002/02/202.html (583 words)

	Ian Foster
		This 30-page article motivates and defines the "Grid problem" in terms of their support for virtual organizations, defines the principal elements of a Grid architecture, and introduces the Globus Toolkit.
		The objective of the Global Grid Forum is to promote and develop Grid technologies and applications via the development and documentation of "best practices," implementation guidelines, and standards with an emphasis on rough consensus and running code.
		Earth Systems Grid: This project funded under the DOE SciDAC program is creating technology for the collaborative and distributed analysis of environmental data.
	www.mcs.anl.gov /~foster (971 words)

	IEEE Distributed Systems Online
		The content of the OMII 2.3.0 distribution is identical to earlier OMII 2.1.0 and 2.0.0 distributions with the inclusion of the core PBAC services, and the GridSAM and GRIMOIRES services from the managed programme.
		National Grid Service : JISC and CCLRC are funding a UK National Grid Service (NGS) comprising of two data clusters and two compute clusters.
		Grid computing papers and articles are welcomed for inclusion within DSOnline.
	dsonline.computer.org /gc (1398 words)

	XML-XSLT conversion (Site not responding. Last check: 2007-10-03)
		This service is located at the lower layer of the Grid Architecture (Fabric).
		Services available via the Grid to allow users to process their work from raw data/ information input and obtain output as knowledge, in text graphical or multimedia formats.
		The primary intention of this service is to allow user agents, such as portals, to automatically configure themselves for particular end-users and to prevent end-users from having to enter their preferences into multiple user agents.
	www.grids.ac.uk /ETF/public/WebServices/classes.html (8143 words)

	EPCC (Site not responding. Last check: 2007-10-03)
		With the advent of the Open Grid Services Architecture (OGSA) and its underlying infrastructure - the Open Grid Services Infrastructure (OGSI) - there was an increasing interest within Grid communities worldwide in
		The goal of our project was to provide a practical demonstration to the UK e-Science community of the applicability of Microsoft.NET technologies to the hosting, development and deployment of Grid Services.
		Grid Computing Group of the University of Virginia who developed an implementation of OGSI on.NET
	www.epcc.ed.ac.uk /%7Eogsanet (256 words)

	Globus Project: Open Grid Services Architecture (Site not responding. Last check: 2007-10-03)
		At its core is the "Grid Service Specification", which defines the standard interfaces and behaviors of a Grid service, building on a Web services base.
		Since OGSA builds on Web services, it is likely to incorporate specifications defined within the W3C, IETF, OASIS, and other standards organizations.
		The development of OGSA specifications and work on Globus Toolkit 3.0 receives generous support from IBM and the U.S. Department of Energy, as well as the National Science Foundation and NASA's Information Power Grid program.
	www-fp.globus.org /ogsa (338 words)

	Weaving grid computing into the Net \| Tech News on ZDNet
		IBM and top grid thinkers from academia have released a draft paper describing the unification of the two worlds.
		The IBM author, Jeffrey Nick, joins some of the seminal grid thinkers: Ian Foster of Argonne and the University of Chicago, Carl Kesselman of the University of Southern California, and Steven Teucke of Argonne.
		Microsoft, which hosted an earlier grid forum meeting, is interested in grid security and has been quietly working to see how the authentication services offered by its Passport service work with grids.
	zdnet.com.com /2100-1105-839265.html (1154 words)

	EDP Weekly's IT Monitor: United Devices: Support For Open Grid Services Architecture
		The OGSA represents a Grid system architecture based on an integration of Web services standards, such as XML, WSDL, and SOAP, in addition to Grid standards that locate, schedule and secure computing resources developed by the Globus (www.globus.org) project.
		United Devices is a corporate sponsor of the Global Grid Forum (GGF, www.gridforum.org), an international forum where the OGSA and other Grid and peer-to-peer related standards are being developed.
		United Devices brings particular expertise in PC grid computing with enterprise deployments at life science companies, including Novartis, in addition to successful Internet projects for cancer and anthrax toxin research.
	www.findarticles.com /p/articles/mi_m0GZQ/is_22_43/ai_86849981 (394 words)

	Entropia to support Open Grid Services Architecture (Site not responding. Last check: 2007-10-03)
		The OGSA initiative, announced by IBM and Globus at the Global Grid Forum in Toronto, is a developing set of specifications and standards that combine the benefits of Grid Computing and Web services.
		The OGSA specifications extend Web services standards, such as XML, WSDL and SOAP, with grid standards developed by the Globus Project.
		OGSA will make it easier to integrate Entropia-enabled grids of desktop PCs with grids of high performance computing resources and make it easier to integrate grid-based applications with other applications into comprehensive production work flows.
	www.hoise.com /primeur/02/articles/monthly/AE-PR-03-02-72.html (225 words)

	WSRF - The WS-Resource Framework (Site not responding. Last check: 2007-10-03)
		Web services must often provide their users with the ability to access and manipulate state, i.e., data values that persist across, and evolve as a result of, Web service interactions.
		And while Web services successfully implement applications that manage state today, we need to define conventions for managing state so that applications discover, inspect, and interact with stateful resources in standard and interoperable ways.
		Indeed, it can be viewed as a straightforward refactoring of the concepts and interfaces developed in the OGSI V1.0 specification in a manner that exploits recent developments in Web services architecture (e.g., WS-Addressing).
	www-fp.globus.org /wsrf/default.asp (553 words)

	WSRF::Lite
		It implements, in Perl, the Web Service Resource Framework (WSRF) which was inspired by and supersedes the Open Grid Services Infrastructure (OGSI).
		The OGSI specification is a proposed recommendation of the OGSI Working Group of the Global Grid Forum.
		Presentation at the OGSA Workshop in London on Wednesday 23th March 2005 on REST: "Web Services for Grid Computing".
	www.sve.man.ac.uk /Research/AtoZ/ILCT (564 words)

	IBM and Globus launch Open Grid Services for commercial computing (Site not responding. Last check: 2007-10-03)
		At the Global Grid Forum in Toronto, IBM and the Globus Toolkit open source team introduced the Open Grid Services Architecture (OGSA), a set of specifications and standards that combine the benefits of Grid Computing and Web services.
		OGSA is already receiving support from several industry players including AVAKI, a provider of commercial grid software solutions; Entropia, a provider of PC-based distributed computing grid technology to the enterprise; Microsoft; and Platform Computing, a provider of distributed computing software.
		The white paper The Physiology of the Grid is available at http://www.globus.org/ogsa.
	www.hoise.com /primeur/02/articles/monthly/AE-PR-03-02-68.html (308 words)

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