Object Oriented Transaction Processing in the KeyKOS Microkernel
William S. Frantz Charles R. Landau
Periwinkle Computer Consulting Tandem Computers Inc.
Los Gatos, Caliifornia Cupertino, California
Three major technological directions in computer technology are
transaction processing, object orientation, and microkernel operating
systems. The KeyKOS operating system and the KeyTXF transaction
processing system combine all three of these technologies. The design
of KeyKOS directly provides operating system level objects on a
microkernel base. In order to maintain the integrity of these objects,
KeyKOS takes periodic checkpoints of the entire system. In addition,
KeyKOS provides facilities for transaction processing which achieve
very high transaction rates. Object oriented technology facilitates
construction and reuse of transaction applications. This paper
describes how these ideas are combined in the KeyKOS system.
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