1
Sidney A Gilbrech: Apparatus for implementing virtual private networks. VPNet Technologies, McCutchen Doyle Brown & Enersen, January 9, 2001: US06173399 (277 worldwide citation)

Protocols and architecture for secure virtual private networks. Intraenterprise data communications are supported in a secure manner over the Internet or other public network space with the implementation of secure virtual private networks. Members of a virtual private network group exchange data th ...


2
Sidney A Gilbrech: Bridge system for selectively routing frame with ordering parameter identifying ordering of identifiers only based upon its source identifier. 3Com Corporation, Haynes & Davis, February 21, 1995: US05392399 (13 worldwide citation)

An N-way bridging system for local area networks (LANs) through which a source routed frames are transmitted, is based on hardware filtering in bridge ports responsive to the input LAN and bridge identified in the source routed frame, independent of the output LAN identified in the source routed fra ...