1
Jay H Benjamin, James P Gray, Royal C Hayward, Matthew L Hess, Frederick E McGriff, Ellis L Miller, Robert A Weingarten: Network interconnection without integration. International Business Machines, Joscelyn G Cockburn, June 30, 1987: US04677588 (101 worldwide citation)

A facility called "Gateway" is used to interconnect a plurality of independently controlled communication networks so that logical units (LUs) in the networks can communicate with one another without any changes to the network. The gateway includes a programmable device or devices which establish an ...


2
Frank W Brice Jr, Robert A Weingarten: Automatic feedback of network topology data. International Business Machines Corporation, Mark S Walker, J Dennis Moore, April 25, 1989: US04825206 (94 worldwide citation)

An automatic feedback mechanism in a communications network having dynamic routing. The invention detects the failure of an element in a route that is either in the process of being created or has been created and is being used. The invention provides a means for sending information as to the failur ...