Patents by Inventor Justin Qizhong Chen

Justin Qizhong Chen 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).

  • Method and apparatus for inter-layer binding inspection
    Patent number: 7830898
    Abstract: A method for inspecting packets is disclosed. The method includes processing a packet by determining if the packet is an inter-layer binding protocol packet and inspecting the packet, if the packet is an inter-layer binding protocol packet. The inter-layer binding protocol packet indicating a binding between a first network layer address and a second network layer address.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: November 9, 2010
    Assignee: Cisco Technology, Inc.
    Inventors: Marco E. Foschiano, Justin Qizhong Chen, Ambarish Chintamani Kenghe
  • Method and Apparatus For Inter-Layer Binding Inspection
    Publication number: 20080151887
    Abstract: A method for inspecting packets is disclosed. The method includes processing a packet by determining if the packet is an inter-layer binding protocol packet and inspecting the packet, if the packet is an inter-layer binding protocol packet. The inter-layer binding protocol packet indicating a binding between a first network layer address and a second network layer address.
    Type: Application
    Filed: March 7, 2008
    Publication date: June 26, 2008
    Inventors: Marco E. Foschiano, Justin Qizhong Chen, Ambarish Chintamani Kenghe
  • Method and apparatus for inter-layer binding inspection to prevent spoofing
    Patent number: 7346057
    Abstract: A method for inspecting packets is disclosed. The method includes processing a packet by determining if the packet is an inter-layer binding protocol packet and inspecting the packet, if the packet is an inter-layer binding protocol packet. The inter-layer binding protocol packet indicating a binding between a first network layer address and a second network layer address.
    Type: Grant
    Filed: July 31, 2002
    Date of Patent: March 18, 2008
    Assignee: Cisco Technology, Inc.
    Inventors: Marco E. Foschiano, Justin Qizhong Chen, Ambarish Chintamani Kenghe
  • Method and apparatus for inter-layer binding inspection
    Publication number: 20040022253
    Abstract: A method for inspecting packets is disclosed. The method includes processing a packet by determining if the packet is an inter-layer binding protocol packet and inspecting the packet, if the packet is an inter-layer binding protocol packet. The inter-layer binding protocol packet indicating a binding between a first network layer address and a second network layer address.
    Type: Application
    Filed: July 31, 2002
    Publication date: February 5, 2004
    Inventors: Marco E. Foschiano, Justin Qizhong Chen, Ambarish Chintamani Kenghe