Accession Number : ADD018661

Title :   Robust Computer Systems Permitting Autonomously Switching Between Alternative/Redundant Components

Descriptive Note : Patent application, filed 30 Sep 97

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Simonoff, Adam J ; Taft, Robert L ; McLintock, Brian T ; Fontenot, Larry A

PDF Url : ADD018661

Report Date : 30 Sep 1997

Pagination or Media Count : 118

Abstract : A computer system having first, second, third and alternate computers for generating a graphical user interface (GUI) on the first computer screen corresponding to a presentation generated with respect to the second computer screen irrespective of the operating system differences between the respective first, second and third computers, includes: a first device for providing a hypertext markup language (HTML) document including an applet tag corresponding to a Universal Client device to the first computer; a second device for initializing and executing the Universal Client device using a JAVA(TM) virtual machine associated with the first computer; a third device for parsing and interpreting a script associated with the Universal Client device to thereby cause the Universal Client device to display the GUI; a fourth device disposed in the second computer for generating a heartbeat signal; a fifth device disposed in the first computer for receiving the heartbeat signals; a sixth device for parsing and interpreting the script associated with the Universal Client device to thereby cause the Universal Client device to establish a predetermined connection between the first and the second computers; a seventh device for parsing and interpreting the script associated with the Universal Client device to thereby cause the Universal Client device to establish a predetermined connection between the first and the alternate computers; and an eighth device disposed in one of the second and third computers for generating a string causing changes in the GUI displayed by the Universal Client device on the first computer.

Descriptors :   *PATENT APPLICATIONS, *COMPUTER NETWORKS, *CLIENT SERVER SYSTEMS, SOFTWARE ENGINEERING, INFORMATION EXCHANGE, DISTRIBUTED DATA PROCESSING, COMPUTER COMMUNICATIONS, INTEROPERABILITY, OPERATING SYSTEMS(COMPUTERS), DATA DISPLAYS, HYPERTEXT, GRAPHICAL USER INTERFACE

Subject Categories : Computer Systems

Distribution Statement : APPROVED FOR PUBLIC RELEASE