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As a business expands in size and its scope becomes global, the capabilities of its large-scale computer system must also grow. System requirements, such as higher performance, larger capacity, and around-the-clock operation become important issues in today's business environment. Furthermore, the cost and labor associated with the system's installation, operation, and maintenance need to be minimized. These requirements are increasingly being felt in addition to the conventional needs for better cost/performance and shorter processing time. In response to these requirements in their own bussiness, The Chugoku Electric Power Co., Inc. has recently introduced a Hitachi M Parallel Series mainframe.
By replacing an M-880-centered system with an MP5800-centered system, the company has succeeded in substantially shortening online response times and significantly reducing the cost of computing. Thanks to increased input/output processing throughput, the night-shift batch window has been shortened by about an hour.
The Advanced Connection Architecture (ACONARC) has made it possible to change the system configuration--normally performed only during scheduled maintenance--while online, thereby reducing scheduled maintenance time. ACONARC has also allowed remotely-located magnetic tape drives and laser printers to be connected to the main computer center using optical fiber cables.