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LHC Computer Grid - Rollout > [mailto:[log in to unmask]] On Behalf Of Rolf Rumler said: > Start by forwarding everything which is already communicated to the > grid's WMS (why not the JDL source?). Some batch systems might not be able to > handle all details, allow them to ignore parts without failing the job > where possible. You could do that, but bear in mind that at the JDL level the Requirements are an arbitrary expression in the classad language in terms of variables defined by the Glue schema, possibly with some extra manipulation by the broker (e.g. gang-matching). No batch system will understand that directly, you would need a fairly complex parser to deal with it. Stephen