Importance

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Abstract

A data communication system includes an express bus, a plurality of local buses, and a plurality of local/express bridges, each local/express bridge connecting a corresponding local bus to the express bus. A plurality of local/local bridges each connect two corresponding local buses. The plurality of local buses and the plurality of local/local bridges comprise a local path. Also provided is a method of communicating information from a sending communication device to a target communication device, comprising the steps of a) determining if the target communication device is on a local bus corresponding to the sending communication device, b) transferring the information from the sending communication device to the target communication device on the local bus corresponding to the sending communication device if the result of step a) is that the target communication device is on the local bus corresponding to the sending communication device, c) transferring the information from the sending communication device to an express bus if the result of step a) is that the target communication device is not on the local bus corresponding to the sending communication device, d) transferring the information from the express bus to a local bus corresponding to the target communication device, and e) transferring the information from the local bus corresponding to the target communication device to the target communication device.

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First Claim