(under subclass 223) Subject matter further comprising means or steps for controlling which of the plural computers may transfer data via the communications media.
SEE OR SEARCH CLASS
340, Communications: Electrical,
825+, for controlling one or more devices to obtain a plurality of results by transmission of a designated one of plural distinctive control signals over a smaller number of communication lines or channels, particularly subclasses 825.5+ for lockout or priority in selective communication systems.
710, Electrical Computers and Digital Processing Systems: Input/Output,
36+, for regulating access of peripherals to computers or vice versa, subclasses 107+ for regulating access of processors or memories to a bus, subclass 200 for general purpose access locking, subclass 220 for general purpose access polling, and subclasses 240+ for general purpose access arbitrating.
711, Electrical Computers and Digital Processing Systems: Memory,
150, for regulating access to shared memories. 713, Electrical Computers and Digital Processing Systems: Support,
201, for providing system security at the network level.