Abstract
As computer systems become more complex, the use of embedded controllers for initializing and maintaining system operation is becoming increasingly prevalent. In the IBM eServer z900, a new control approach was introduced. This paper discusses why its introduction was necessary and outlines its associated, key technological and economic innovations. In particular, the following topics are addressed: service subsystem topology, hardware elements for performing system control, hardware abstraction, object-oriented framework for control, and internetworking of system control microprocessors.
Published Version
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