Patents by Inventor Tonqing Qiu

Tonqing Qiu 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).

  • Prefix hijacking detection device and methods thereof
    Patent number: 8443076
    Abstract: A method of placing prefix hijacking detection modules in a communications network includes selecting a set of candidate locations. For each candidate location, a detection coverage ratio with respect to a target Autonomous System is calculated. Based on the relative size of the coverage ratios, proposed locations for the prefix hijacking detection modules are determined.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: May 14, 2013
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Lusheng Ji, Dan Pei, Tonqing Qiu, Jia Wang
  • Prefix Hijacking Detection Device and Methods Thereof
    Publication number: 20110153801
    Abstract: A method of placing prefix hijacking detection modules in a communications network includes selecting a set of candidate locations. For each candidate location, a detection coverage ratio with respect to a target Autonomous System is calculated. Based on the relative size of the coverage ratios, proposed locations for the prefix hijacking detection modules are determined.
    Type: Application
    Filed: December 17, 2009
    Publication date: June 23, 2011
    Applicant: AT&T INTELLECTUAL PROPERTY I, L.P.
    Inventors: Lusheng Ji, Dan Pei, Tonqing Qiu, Jia Wang