Difference: WorkflowManagementSystem (3 vs. 4)

Revision 42007-12-19 - SimonePellegrini

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Workflow Management System

The Workflow Management System (WfMS) project is developed within the CoreGRID

european project. The main goal of this project is to provide an effective solution to run complex scientific workflows modeled with Petri Nets taking full advantage of the distributed and etherogeneous nature of the Grid. One of the design principle is the neutrality towards the underlying mechanism for task execution, in order not to compromise interoperability with multiple infrastuctures.

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and the wait_for_termination transition also invoke a sub-workflow which can be expressed (using a polling strategy) in the following figure:

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Workflow Engine

The main component of the WfMS is the workflow engine. It is based on an semplification of the HLPN formalism.

-- SimonePellegrini - 19 Dec 2007

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-- SimonePellegrini - 19 Dec 2007

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META FILEATTACHMENT	attr="" autoattached="1" comment="Petri Nets tutorial" date="1198059295" name="Petri-Nets_Tutorial.pdf" path="Petri-Nets_Tutorial.pdf" size="687190" user="Main.SimonePellegrini" version="1"

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META FILEATTACHMENT	attr="h" autoattached="1" comment="" date="1198077248" name="polling.png" path="polling.png" size="451395" user="Main.SimonePellegrini" version="1"

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