The DCS: a new approach to multisystem data-sharing

Authors:
Akira Sekino;Keizo Moritani;Teruaki Masai;Toshiaki Tasaki;Kazuo Goto
Affiliations:
NEC Corporation, Tokyo, Japan;NEC Corporation, Tokyo, Japan;NEC Corporation, Tokyo, Japan;NEC Corporation, Tokyo, Japan;NEC Corporation, Tokyo, Japan
Venue:
AFIPS '84 Proceedings of the July 9-12, 1984, national computer conference and exposition
Year:
1984

Citing 3
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Abstract

This paper describes a special purpose computer, the Data-sharing Control System (DCS), which was developed for multisystem data-sharing. This computer enables efficient block-level data sharing among several loosely coupled computer systems. Major architectural features incorporated into the design of the DCS are discussed in some detail, in the light of general requirements for such systems. The DCS-based loosely coupled multiprocessor architecture, together with the traditional tightly coupled multiprocessing, provides a new framework for the design of reliable large-scale database systems.