Patents by Inventor Tsu-Phong Wu

Tsu-Phong Wu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Policy system throttling and load balancing
    Patent number: 7921210
    Abstract: A method and system to control call admissions into data networks is disclosed. A network device has a port to receive a pre-authentication request associated with a call and a status memory to store system status information. A processor in the device is configured to determine if the pre-authentication request can be granted based upon the system status information. The method receives a pre-authentication request associated with a call and accesses system status information. The method then determines if the request can be granted.
    Type: Grant
    Filed: October 1, 2002
    Date of Patent: April 5, 2011
    Assignee: Cisco Technology, Inc.
    Inventors: Robert Glenn Synnestvedt, Tsu-Phong Wu