Grid Computing

What is grid computing?

Types of Grids

Computational Grids enable the sharing, selection, and aggregation of a wide variety of geographically distributed computational resources (such as supercomputers, compute clusters, storage systems, data sources, instruments, people) and presents them as a single, unified resource for solving large-scale compute and data intensive computing applications (e.g, molecular modelling for drug design, brain activity analysis, and high energy physics). This idea is analogous to electric power network (grid) where power generators are distributed, but the users are able to access electric power without bothering about the source of energy and its location.
Transaction Grids

Links

http://www.univa.com/grid/research.shtml(approve sites)
http://www.globus.org/(approve sites) The Globus Alliance is developing fundamental technologies needed to build computational grids.
http://www.grid.org/(approve sites)
http://www.gridcomputing.com/(approve sites)
http://www.ibm.com/grid/
http://www.activegrid.com/technology/ The ActiveGrid Grid Application Server enables developers to Integrate existing systems as Web Services, Create new composite applications and services, Scale those applications on transaction grids of commodity computers, and Adapt dynamically to transaction context and situations.

Cluster Technology

Cluster is a widely-used term meaning independent computers combined into a unified system through software and networking. At the most fundamental level, when two or more computers are used together to solve a problem, it is considered a cluster. Clusters are typically used for High Availability (HA) for greater reliability or High Performance Computing (HPC) to provide greater computational power than a single computer can provide.

Links

http://www.beowulf.org/overview/(approve sites) Beowulf Clusters are scalable performance clusters based on commodity hardware, on a private system network, with open source software (Linux) infrastructure.
Microsoft Windows Server 2003 Compute Cluster Edition homepage, Google News(approve sites), ...
Debian Cluster Components (DCC)(approve sites) - "We expect to integrate some existing technologies (like LDAP, System Installation Suite, Torque, C3...) and develop a production-grade toolset for easier cluster management, based on Debian GNU/Linux distribution. This involves development of automation mechanisms that provide a flexible platform for high-performance computation tasks, but also provide a system-administrator to have a secure, easy to maintain, reliable and good supported cluster administration toolbox."

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	Content Last Modified on May 04, 2008, at 08:18 PM CST Grid Computing What is grid computing? Types of Grids Computational Grids enable the sharing, selection, and aggregation of a wide variety of geographically distributed computational resources (such as supercomputers, compute clusters, storage systems, data sources, instruments, people) and presents them as a single, unified resource for solving large-scale compute and data intensive computing applications (e.g, molecular modelling for drug design, brain activity analysis, and high energy physics). This idea is analogous to electric power network (grid) where power generators are distributed, but the users are able to access electric power without bothering about the source of energy and its location. Transaction Grids Links http://www.univa.com/grid/research.shtml(approve sites) http://www.globus.org/(approve sites) The Globus Alliance is developing fundamental technologies needed to build computational grids. http://www.grid.org/(approve sites) http://www.gridcomputing.com/(approve sites) http://www.ibm.com/grid/ http://www.activegrid.com/technology/ The ActiveGrid Grid Application Server enables developers to Integrate existing systems as Web Services, Create new composite applications and services, Scale those applications on transaction grids of commodity computers, and Adapt dynamically to transaction context and situations. Cluster Technology Cluster is a widely-used term meaning independent computers combined into a unified system through software and networking. At the most fundamental level, when two or more computers are used together to solve a problem, it is considered a cluster. Clusters are typically used for High Availability (HA) for greater reliability or High Performance Computing (HPC) to provide greater computational power than a single computer can provide. Links http://www.beowulf.org/overview/(approve sites) Beowulf Clusters are scalable performance clusters based on commodity hardware, on a private system network, with open source software (Linux) infrastructure. Microsoft Windows Server 2003 Compute Cluster Edition homepage, Google News(approve sites), ... Debian Cluster Components (DCC)(approve sites) - "We expect to integrate some existing technologies (like LDAP, System Installation Suite, Torque, C3...) and develop a production-grade toolset for easier cluster management, based on Debian GNU/Linux distribution. This involves development of automation mechanisms that provide a flexible platform for high-performance computation tasks, but also provide a system-administrator to have a secure, easy to maintain, reliable and good supported cluster administration toolbox."
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