Patents by Inventor Weiwei Kang

Weiwei Kang 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).

  • Stateful connection processing in a security device cluster
    Patent number: 9860209
    Abstract: A method operable in a security device cluster having a plurality of security devices each configured to receive respective data flows. The method includes receiving a first segment of a flow at a first security device of the plurality of security devices, sending the first segment of the flow toward a destination node without the first security device of the plurality of security devices asserting ownership over the flow, receiving, from the destination node, a second segment of the flow at a second security device of the plurality of security devices, the second segment of the flow being responsive to the first segment, asserting, by the second security device of the plurality of security devices, ownership over the flow, and forwarding, from the first security device, packets of the flow subsequently received by the first security device to the second security device.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: January 2, 2018
    Assignee: Cisco Technology, Inc.
    Inventors: Kevin A. Buchanan, Andrew E. Ossipov, Kent Leung, Xun Wang, Zhijun Liu, Weiwei Kang
  • Stateful Connection Processing in a Security Device Cluster
    Publication number: 20160337312
    Abstract: A method operable in a security device cluster having a plurality of security devices each configured to receive respective data flows. The method includes receiving a first segment of a flow at a first security device of the plurality of security devices, sending the first segment of the flow toward a destination node without the first security device of the plurality of security devices asserting ownership over the flow, receiving, from the destination node, a second segment of the flow at a second security device of the plurality of security devices, the second segment of the flow being responsive to the first segment, asserting, by the second security device of the plurality of security devices, ownership over the flow, and forwarding, from the first security device, packets of the flow subsequently received by the first security device to the second security device.
    Type: Application
    Filed: May 12, 2015
    Publication date: November 17, 2016
    Inventors: Kevin A. Buchanan, Andrew E. Ossipov, Kent Leung, Xun Wang, Zhijun Liu, Weiwei Kang