Architecture of a Grid

Grid Common Services: Standardized Services and Resources Interfaces

Web Services and Portal Toolkits

Applications (Simulations, Data Analysis, etc.)

Application Toolkits (Visualization, Data Publication/Subscription, etc.)

Execution support and Frameworks (Globus MPI, Condor-G, CORBA-G)

Distributed Resources

Science Portals andScientific Workflow Management Systems

network caches

tertiary storage

scientific instruments

clusters

national supercomputer facilities

= operational services (Globus, SRB)

High Speed Communication Services

Courtesy W.Johnston, LBNL