The image depicts an n-tier architecture, in the following order top-to-bottom.

1. Tier: Application Server
   • Persistent Storage
2. Tier
   • Agent (API)
   • Blackboard Publish/Subscribe
   • Web Services Integration Gateway
3. Tier
   • Resource Agent Plug-ins
   • Planning Optimization Plug-ins
   • Application Logic Plug-ins
   • Widget Plug-ins
   • View Plug-ins
4. Bidirectional dotted arrows indicate data exchange between each component above, and the following tier below.
5. Tier: GridAgents™ Framework
6. Tier
   • Agent Core
     • Security
     • Lifecycle Management
     • Directory Services
     • Mobile Deployment
   • Java VM, J2EE - J2SE, J2ME

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