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Journal of International Information Management

Abstract

Parallel subsystems within operational systems can improve system reliability, especially in areas of the system which are or may become weak links. The basic modes of operation of parallel systems include backup, operation under exceptional conditions, and functioning on a compare-for-equal basis to facilitate output quality. A parallel system classification scheme is presented as well as a description of a database which ties parallel subsystems to their corresponding operational systems. The database can assist the manager in identifying and analyzing weak links anywhere in the organization to determine where parallel subsystems can best improve overall system reliability.

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