Samuel D George

US Patent:

7143136, Nov 28, 2006

Filed:

Jun 6, 2002

Appl. No.:

10/164831

Inventors:

Lawrence A. Drenan - Cupertino CA, US
Samuel George - Saratoga CA, US
Ronald Peter Smith - Cupertino CA, US
Deepak P. Upadhyay - San Jose CA, US
Juergen Schmidt - Kirchheim/Munich, DE
Jens Werner - Markt-Schwaben, DE
Wolf-Ekkehard Matzke - Munich, DE
Adriaan Ligtenberg - Los Altos Hills CA, US

Assignee:

Cadence Design Systems, Inc. - San Jose CA

International Classification:

G06F 15/16

US Classification:

709204, 709229

Abstract:

An environment is described in which multiple companies can securely collaborate on a design or other project. The environment includes a set of resources residing on a set of one or more utility servers maintained by a first company, an access control mechanism for controlling access to the set of resources, a secure network connection between the set of utility servers and a second company, and a remote controller for remotely viewing, by an authorized individual from the second company, a user interface of an application while an authorized individual from the first company is executing the application on the set of utility servers. The secure network connection includes a secure association mechanism for establishing a secure association between participating parties, a virtual point-to-point network connection for transmitting data between associated parties, and an encryption/decryption mechanism.