Grid Job Handler 1 The Workflow Engine of the [Fraunhofer Resource Grid] In addition to the execution of simple, uncoupled applications which have been defined by the [Globus]-specific description language XML-[RSL], the current version of the Grid Job Handler allows the execution of coupled [Grid] jobs based on the description language [GJobDL], version 1.1. Here, the control and data flow is described by a [Petri net]. The Grid Job Handler uses the Globus service [GRAM] in order to execute the single components of the coupled Grid application on usual Globus grid nodes. Utilizing the service [GridFTP] you can transmit the necessary data and executable files to the target computer before the job execution. The installation of Globus on the local machine on which the Grid Job Handler will be started is not required. There is also a prototype available that consumes [GJobDL] version 2.0 which is based on top of the [Globus Toolkit] 3.2 using [Grid Service] method calls as basic flow element. Within the [K-Wf Grid] project there will be a complete redesign of the Grid Job Handler focusing on Web- and Grid-Service invokation (refer to [GWES]) {table} Language | Formalism | Flow element | Single-task executor [GJobDL] 1.1 | [Petri Net] | executable / file | [Globus Toolkit] 2.4 (GRAM) [GJobDL] 2.0 | [Petri Net] | executable, Grid Service method call / file, parameter | [Globus Toolkit] 3.2 (GRAM) [XMLRSL] | List of Jobs | executable | [Globus Toolkit] 2.4 (GRAM) {table} 1 References - __Hoheisel, A.: Der Grid Job Handler des Fraunhofer Resource Grid. Kurzanleitung__, Fraunhofer FIRST, 2004 {link:pdf 286kB|http://www.andreas-hoheisel.de/docs/LIESMICH.pdf} - __Hoheisel, A.: The Grid Job Handler of the Fraunhofer Resource Grid. Getting started guide__, Fraunhofer FIRST, 2004 {link:pdf 286kB|http://www.andreas-hoheisel.de/docs/README.pdf} (in Englisch) - __Hoheisel, A., Zschaage, T., Loos, S.: Grid Job Handler Event Channel Syntax.__ Technischer Report, Fraunhofer FIRST, 2003 {link:html 19kB|http://www.andreas-hoheisel.de/docs/EventChannelSyntax.html} (in Englisch) - __Hoheisel, A.: Ein Komponentenmodell für Softwarekomponenten des Fraunhofer Resource Grid.__ Interner Report, Fraunhofer FIRST, 2002 {link:pdf 31kB|http://www.andreas-hoheisel.de/docs/FhRGSoftwareComponent.pdf}, {link:ps 51kB|http://www.andreas-hoheisel.de/docs/FhRGSoftwareComponent.ps} 2005-06-02 12:32:43.349 2004-09-08 15:02:19.006