Patents by Inventor Frank C. D. Tsai

Frank C. D. Tsai 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).

  • Service performance correlation and analysis
    Patent number: 7159026
    Abstract: Methods and apparatus are provided to determine performance of a network. A first measurement relating to a first layer of communications in the network and a second measurement relating to a second layer of communications in the network are provided. Based on the first and second measurements, a set of parameters is generated. The performance of the network is then determined based on the generated set of parameters.
    Type: Grant
    Filed: January 31, 2002
    Date of Patent: January 2, 2007
    Assignee: Telcordia Technologies, Inc.
    Inventors: Richard C. Lau, Frank C. D. Tsai, Arturo Cisneros
  • Virtual network configuration verification
    Publication number: 20030145069
    Abstract: Methods, apparatus, and systems are provided to verify a configuration of a network. A first set of information relating to a virtual representation of the network and a second set of information relating to the state of the network are provided. The first and second sets of information may include information, such as information about provisioning of the network and management information base parameters, respectively. Based on the first set and second set of information, it is determined whether the virtual representation and the state of the network are consistent with each other.
    Type: Application
    Filed: January 31, 2002
    Publication date: July 31, 2003
    Inventors: Richard C. Lau, Frank C. D. Tsai, Arturo Cisneros, Krishna Kant, Bruce S. Siegell
  • Service performance correlation and analysis
    Publication number: 20030145081
    Abstract: Methods and apparatus are provided to determine performance of a network. A first measurement relating to a first layer of communications in the network and a second measurement relating to a second layer of communications in the network are provided. Based on the first and second measurements, a set of parameters is generated. The performance of the network is then determined based on the generated set of parameters.
    Type: Application
    Filed: January 31, 2002
    Publication date: July 31, 2003
    Inventors: Richard C. Lau, Frank C. D. Tsai, Arturo Cisneros