Monday, June 15, 2009

Plan for the next steps

1. I need to understand security issues in Globus.

Unibus (e.g. Unibus Globus Security Mediator) will need to interface with such security policies. It is a good example of not trivial policies as at least two entities need to be trusted: hosts and users.

2. I need to know how to use Globus, specifically, how Unibus (Unibus mediators) need to interact with Globus, e.g., I do not know answers to the following questions:

a. What do I need to specify the Globus job? Do I have to specify hosts on which the job has to be executed (in a.rsl there is SourceURL and DestinationURL)?
b. Do I have control on stopping/cancelling/resuming the job? What control do I have?
c. Can I add hosts dynamically to the Grid? Can it affect the job that is being executed?
d. What kind of programs may I execute in the Globus job? Can I execute
e. to be continued

This will help to think in the category of interface unification of ssh and Globus. What is the same, what operations are the same or similar (stage-in, stage-out), what is different. What can be done in ssh and cannot be done in Globus, or vice-versa?

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