suggestions received. These suggestions are provided by the failing agent.
When a plan fails, due to a redesigner failing to achieve recovery, the specialist
will ask its plan selector to provide another
plan.
This selection process can use
knowledge of the past failures. If no plan can be found to execute then the specialist
executing the plans will
fail.
This leads to another, higher plan attempting redesign.
A task fails when a step over which it has control fails and the subsequent
recovery attempt fails. Recovery is done by a task redesigner that uses one of a
limited number of strategies to backup from the failing step. This backup i
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