Abstract
This paper describes Rudder, a decentralized agent-based infrastructure for supporting the autonomic composition of Grid applications. Rudder provides agents and protocols for discovering, selecting, and composing elements. It also implements agent interaction and negotiation protocols to enable appropriate application behaviors to be dynamically negotiated and enacted. The defined protocols and agent activities are supported by Comet, a scalable decentralized shared-space based coordination substrate. The implementation, operation and experimental evaluation of the system are presented.
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