grid services light gsl

1
grid services light (gsl)

• Building blocks of distributed capabilities of
  pyre
• Vs. Web services
• Persistence of state
• Direct interaction with services
• More distributed features
• Vs. Grid (Globus)
• Need of python interface pyGridWare incomplete
• Simple, growing (to OGSI), working set
• Eventually to be integrated with Grid
• Vs. New web services (web service Grid)
• Not trying to set global standard
• Serve one community and move faster

2
State of gsl
service
3.2
1.2
3.3
factory
1.3
service
launcher
arcs.rebin
3.1
2
3.4
4
1.4
5.1
5.2
1.1
Client

• gtgtgt host "arcs.cacr.caltech.edu
• gtgtgt port launch(host, user"jkim")
  (1)
• gtgtgt service1 xmlrpclib.Server("http//sd"
  (host, port))
• gtgtgt service1.load("factory")
  (2)
• gtgtgt ip, port, pid service1.spawn()
  (3)
• gtgtgt service2 xmlrpclib.Server("http//sd"
  (ip, port))
• gtgtgt service2.load("arcs.rebin")
  (4)
• gtgtgt output service2.run()
  (5)

3
gsl class hierarchy