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Managing Data on the Grid
March 6, 2007
By Paul Shread

Two open source grid computing projects moved ahead this week, with the release of DataMiningGrid software and Univa's contribution of its Data Distribution Manager (DDM) as a Globus Incubator project.

Univa DDM provides a data distribution service for tracking, transporting and synchronizing large-scale distributed data sets, offering efficient use of available bandwidth and storage while ensuring secure and reliable operation.

In a statement, Univa Chief Scientist Carl Kesselman said DDM "provides much richer capabilities for distributed file management than is available in any of the current Globus tools. ... By contributing Univa DDM to the Globus open source process, it helps increase the applicability of Globus based grid solutions in a wider range of scientific research and enterprise computing environments, and in turn advances the goals of the company."

Univa was founded in 2004 by the creators of the Globus Toolkit, the widely used open source grid software.

Univa DDM is a new service that builds on Globus Toolkit features such as the C and Java Web Services Core, GridFTP, GRAM, and RLS, among others, by adding the capability for data set specification, a range of synchronization modes, replica selection, and a comprehensive set of policy-based failure recovery mechanisms.

DDM offers data management features such as multi-site replication with updates, synchronization of changes only and fault tolerance, with plans to add extensible data set descriptions and service availability.

Globus Incubator projects are built upon software that is entirely new to Globus. The process was created to facilitate incorporation of such software into the Globus Toolkit. For more information, visit http://dev.globus.org/wiki/Incubator/DDM.

DataMiningGrid Released

The DataMiningGrid Consortium has announced the 1.0 beta release of its DataMiningGrid tools and services. The partners in the effort are the UK's University of Ulster, the University of Ljubljana in Slovenia, the Technion in Israel, Germany's Fraunhofer Institute and automaker DaimlerChrysler.

DataMiningGrid software is available in source and binary under an open source Apache License v2.0. The general-purpose software offers user-friendly, grid-based data mining, and can only be used in connection to Globus toolkit version 4, Condor local scheduler, and Triana Workflow Editor and Manager.

For more information, visit www.datamininggrid.org.

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