Extension Technology Corp.

Microcom Systems, Inc.

Bennett C Baker

Eugene Y Chang

David B Richardson

A method and apparatus for using switched telecommunications services to emulate a local area network (LAN) medium. The method and apparatus convert a public switched network or an equivalent private network into a LAN cabling method for connecting distant devices using the same communications software as used in traditionally wired LANs.

Local area network transmission emulator

The invention relates to a method and apparatus for reducing the flow of repetitive broadcast datagrams over a communication link between two local area networks while still maintaining reception of all of the repetitive broadcast datagrams generated and intended by one of the local area networks for transmission to the other local area network over the communication link. The reduction, which can be to zero, occurs for intermittent periods of time having various durations.

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Dedham, MA, United States of America

Bennett C Baker