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PPDG Request Planner

• Accepts logical file request and notifies Application module
• Consults Matchmaker and Resource Planner to generate request plan
• Accepts get next events (files) requests from Client module
• Coordinates multi-application requests to share files
• Issues cache files request to Cache Manager
• Notifies Client module when a bundle of files is available in some cache (Can be on remote sites)
• Notifies Cache Manager when a Client is finished with files