Hi!As I am new to the community and also to Globus I have some question (maybe basic ones):
1) If writing a Grid Service, is it possible to determine the user and/or the virtual organization of the user?
2) I am trying to understand how the communication between the client and GRAM and furthermore between GRAM and the resource which the job will be run. If I understand correctly, the GRAM looks at the RSL-Job description, determines the resources that are able to run the job (how?) and sends the job to the correct resource (the scheduler of the resource does the further work, I assume). Is there any authentication/authorization model between the GRAM and the resource the job will be run on? (Because the GSI is only applicable between the user and the grid or am I wrong)
3) Maybe this is a very basic question as I started to read about Globus a short time ago, I wanted to know if it is possible for a grid job to connect to a resource that is outside the grid? If it is possible it would be nice if you can give me a hint how the authorization/authentication between the grid job at a resource and the resource outside the grid works.
Thanks in advance for responding and helping me to get into Globus. Kind regards, Thomas Leitner
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