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Globus Toolkit Version 4 (GT4) Released

Globus Toolkit version 4 (GT4), released on April 30 2005, represents a significant advance over earlier GT versions in terms of software quality, functionality, and standards conformance. Quality has been a major emphasis during the 18 month development period and in particular the 6 month alpha-beta period, in which over 150 people participated.

Functionality includes not only the GridFTP data movement service, GRAM job submission and management service, Reliable File Transfer service, Replica Location Service, Community Authorization Service, OGSA Data Access and Integration, and MyProxy services included in previous releases (although with multiple-order-of-magnitude improvements in scalability in several cases) but also new services such as a Workspace Management service (for dynamic accounts), Data Replication Service, Grid Teleoperation Control Protocol service, and an expanded set of Monitoring and Discovery services. In terms of standards conformance, GT4 provides probably the most full-featured implementation of Web services security available anywhere; a full-featured GridFTP implementation; and support for the WS Resource Framework and WS-Notification specifications in C, Java, and Python containers.

For further information see www.globus.org/toolkit/



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