Re: [Condor-users] Why so many ports?

["Kewley, J \(John\)" <j.kewley@xxxxxxxx>]

Some aspects of the port usage are described in
http://www.allhands.org.uk/2005/proceedings/papers/431.pdf

JK

> -----Original Message-----
> From: condor-users-bounces@xxxxxxxxxxx
> [mailto:condor-users-bounces@xxxxxxxxxxx]On Behalf Of Matt Baker
> Sent: Sunday, October 02, 2005 6:25 AM
> To: Condor-Users Mail List
> Subject: [Condor-users] Why so many ports?
> 
> 
> Hey,
> 
> 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):
> 
>                      ||                               ||
>                      ||                               ||
> [ Condor Pool ]-[ schedd ] <- Condor-C (ports?) ->[ schedd 
> ]-[ Condor  
> Pool ]
>                      ||                               ||
>                      ||                               ||
> 
> * 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?
> 
> Thanks,
> 
> Matt Baker
> University of Arkansas
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