Grid computing

"Large-scale grid computing frameworks can be successfully used to build computational grid infrastructures, but their sophistication can also be a barrier for software designers experimenting with entry-level grid computing. This article uses a Java custom ClassLoader, a Tomcat servlet container, and the Axis SOAP (Simple Object Access Protocol) implementation to demonstrate a simple-to-use framework that supports minimal grid requirements, including machine independence, abstracted compute-task distribution and execution, and a secure, scalable infrastructure."

JavaWorld, 04/25/03.

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"OptimalGrid -- a research prototype middleware from IBM Almaden -- aims to simplify creating and managing large-scale, connected, parallel grid applications. It optimizes performance and includes autonomic grid functionality. It's not a toolkit, and you don't need to be a Grid infrastructure expert to use it. You supply the code that represents your basic problem algorithm, and OptimalGrid manages everything else -- problem partitioning, problem piece deployment, runtime management, dynamic level of parallelism, dynamic load balancing, and even system fault tolerance and recovery. If you're a Java programmer and you're working with a grid, or if your'e thinking about getting started with grid, read the first part of the tutorial. It describes OptimalGrid and the kinds of problems it's designed to handle. If you determine that, in fact, OptimalGrid and your problem are a good match, then you can complete the tutorial to download and install OptimalGrid and play with it." From IBM developerWorks.

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"A wide array of heterogeneous resources comprise a grid, and it's important that they interact and behave in well-known and consistent ways. The need for open standards that define this interaction and encourage interoperability between components supplied from different sources was the motivation for the Open Grid Services Architecture (OGSA). ... In this article, we lay out the components of OGSA and explain their significance." From IBM developerWorks.

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"The Access Grid is an ensemble of resources including multimedia large-format displays, presentation and interactive environments, and interfaces to Grid middleware and to visualization environments. These resources are used to support group-to-group interactions across the Grid. For example, the Access Grid (AG) is used for large-scale distributed meetings, collaborative work sessions, seminars, lectures, tutorials, and training." Developed by the Futures Laboratory at Argonne National Laboratory.

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Latest grid computing news and analysis from Network World.

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"The Community Scheduler Framework (CSF) is an open source framework for implementing a grid meta-scheduler. It's an add-on to the Globus Toolkit v.3 and was developed by Platform Computing. CSF will be incorporated into a future release of the Globus Toolkit, but you can download and use it today. In this article, you'll get an introduction to meta-scheduling concepts and the components that make up the meta-scheduling framework. You'll also learn how to use the CSF."

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"When you're setting up a grid, you need a testbed to monitor the status of your resources, but it can take a substantial amount of time and effort to develop a custom grid testbed portal from scratch. Gridscape is a tool that aims to solve this problem by enabling the rapid creation of interactive and dynamic testbed portals without the need for any programming effort. This tutorial will help you get familiar with Gridscape and guide you through creating your first testbed portal."

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The Enterprise Grid Alliance is a consortium formed to develop enterprise grid solutions and accelerate the deployment of grid computing in enterprises.

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A colleciton of primers and whitepapers for grids and clusters.

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As more companies pilot grid-based applications, the question for network executives is what effect grid computing will have on the design and performance of their infrastructures.
Network World, 04/28/03.

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"An information grid, as defined by this article, is the structure that allows end users and applications to share information, no matter where it is stored. The article shows system architects how to think through the information infrastructure when setting up a grid computing environment."

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"The GGF's Applications, Programming Models, and Environments (APME) area tackles application development in a grid environment. They're dealing with best practices for application development, testing, debugging, scheduling, resource management, and communications, to name a few."

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"The Global Grid Forum (GGF) is a community-initiated forum of thousands of individuals from industry and research leading the global standardization effort for grid computing. GGF's primary objectives are to promote and support the development, deployment, and implementation of Grid technologies and applications via the creation and documentation of best practices - technical specifications, user experiences, and implementation guidelines."

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The Globus Project is developing fundamental technologies needed to build computational grids.

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"The new Globus V3.3 release is the latest implementation of the OGSA/OGSI standard for deploying grid applications. But should you use this system or wait around for the first WSRF reference implementation? M.C. Brown covers the main points of Globus V3.3, its effects on your existing applications and solutions, and how it might fit into a longer-term development schedule for migrating to WSRF. He also looks at WSRF, its implications on your applications, and how to limit and prepare for the migration." IBM DeveloperWorks.

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"Understanding performance in grid-enablement scenarios for existing applications." IBM tutorial.

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Intel paper that covers: What grid computing is; What grids are designed to do; How grids are architected; How grid differs from other similar technologies (such as clusters and peer-to-peer); How grids are moving from scientific/research environments into the commercial marketplace. Free registration required.

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Focuses on grid computing at IBM, has background info and grid news from both IBM and other companies.

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"Grid computing soon could be central to your enterprise's networking strategy. But what about security? Author Anne Zieger explores advances in grid security that are beginning to address critical security issues." From IBM developerWorks, 08/03.

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Weblog: "The objective of the Gridblog is to take advantage of the inherent speed and relative informality of the blogging genre of knowledge distribution and create an active space where thoughts and ideas – with a very obvious focus on grid computing and utility computing market – can be shared with the viewing public."

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Daily grid-computing news.

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"Planning the information infrastructure for a grid is easier if you use a blueprint. After discussing the virtualization layers (data, file system, and storage), this article provides you with a blueprint for using each one.

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"Take a close look at the following three scenarios for the design of an information grid: a virtual data store, an integrated virtual data layer, and a virtual global repository." From IBM.

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"Grid job schedulers provide advanced clustering capabilities required by today's most demanding applications, like those in e-science or e-business that rely on heavy-duty computing resources -- multiple processors, terabytes of storage, and gigabytes of memory. In this article, learn about the powerful combination of a grid job scheduler, using OpenPBS with the OGSA-based Globus Toolkit 3.2." From IBM developerWorks.

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"A multi-year effort to build and deploy the world's largest, fastest, most comprehensive, distributed infrastructure for open scientific research. When completed, the TeraGrid will include 13.6 teraflops of Linux Cluster computing power distributed at the four TeraGrid sites, facilities capable of managing and storing more than 450 terabytes of data, high-resolution visualization environments, and toolkits for grid computing."

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"There has been a lot of discussion in the community concerning the relationship between Web and Grid Services. The Web Services Grid Application Framework (WS-GAF) is a proposal on how Grid applications could be built using today's Web Services specifications. The aim of the WS-GAF proposal is to start a debate on the possible future evolution of Grid Service standards."

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"What do the OGSA and the Grid computing roadmaps look like now? And what is this all about anyway?" Paper by David Snelling of Fujitsu Laboratories of Europe. In PDF.

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