Grid Type Complexity
Department Grid Cluster load balancing
Campus Grid Heterogeneity, HPC, priorities, ...
Research Grid Internet, multi-tier, collaboration, ...
Enterprise Grid Securitiy, policies, RAS, ...
Public Grid Resource discovery, reservation, ...
Broker Grid Level of service, economy, accounting
Application / Storage / Network Service Providers, Peer-to-Peer, CollabGrid, Data Grid, HealthGrid, BioGrid, Entertainment Grid, Information Grid, . . .