Importance

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Abstract

An information exchange processor suitable for coupling a plurality of host computers to a plurality of communication channels each of which may utilize a uniquely defined communication discipline. More specifically, the information exchange processor comprises a master bus, one or more host memory input/output units each serving a different host computer, one or more microprocessors, one or more memory devices, and a plurality of device input/output units each of which serves one or more communication channels. Each communication channel can serve a peripheral device having a different communication discipline. In addition, the information exchange processor disclosed also provides a capability for interconnecting two communication channels having either the same or different communication disciplines for effecting direct information transfers therebetween without requiring monitoring by a host computer.

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First Claim