when event is allocated to worker.

when client makes a cease request to command server.

when unexpected error occured, so unable to proceed.

when event is reached to model server, yet waiting to be allocated to worker.

when client makes a realtime event request to command server.

when event is allocated to worker.

when the work failed while worker is processing.

when the work finished successfully .

when event is reached to model server, yet waiting to be allocated to worker.

when client makes a simulation event request to command server.

when event is allocated to worker.

when the work failed while worker is processing.

when the work finished successfully.

when the result is invalidated.

when event is reached to model server, yet waiting to be allocated to worker.

when client makes a validation event request to command server.

when the result is validated.

A corespondance to SimEventTopic.