A. Logic to ensure that the next attempt to work a case is executed on the same machine as the previous
attempt.

B. Logic to ensure that the next attempt to work a case is executed on a different machine from the
previous attempt.

C. A decision whether or not to use an available retry item after marking an item as an exception.

D. Logic to identify the progress made by previous attempts to work a case.

E. A decision whether or not to use an available retry item before marking an item complete.