Basic HTML version of Foils prepared August 21 1999

Foil 129 Distributed Synchronization

From Overview of PET and CHSSI FMS (Forces Modeling and Simulation) ASC MSRC FMS Day Meeting Dayton Ohio -- July 29 1999. by Wojtek Furmanski
Last Processed Event
Node 0
Node 1
Last Processed Event
Erroneously Processed Events
New Event
Scheduled
Simulation Time
Unprocessed Events
Unprocessed Events
Conservative approach: Never allows events to be processed if it is possible for "straggler" messages to arrive from other nodes
Optimistic approach: Fixes straggler message problem by rolling back state and canceling generated events

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