A Resource Broker for Computing Nodes Selection in Grid Computing Environments

As Grid Computing is becoming a reality, there is a need for manag- ing and monitoring the available resources worldwide, as well as the need for conveying these resources to the everyday user. This paper describes a resource broker with its main function as to match the available resources to the user's needs. The use of the resource broker provides a uniform interface to access any of the available and appropriate resources using user's credentials. The resource broker runs on top of the Globus Toolkit. Therefore, it provides security and current information about the available resources and serves as a link to the di- verse systems available in the Grid.

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