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[Condor-users] Why so many ports?


I'm currently working to do some flocking between university campuses, and while I'm making progress understanding grid protocols like Condor-C, I have a couple questions:

* If you have two pools that you want to share jobs via Condor-C, what ports do I need to keep open between the two submit nodes (see below):

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[ Condor Pool ]-[ schedd ] <- Condor-C (ports?) ->[ schedd ]-[ Condor Pool ]
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* The Condor manual says each execute node needs at least 10 open ports.. what are these used for? I get that files need to be transferred, but why 10?


Matt Baker
University of Arkansas