Patents by Inventor Lujun Wan

Lujun Wan 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).

  • Point to multi-point based multicast label distribution protocol local protection solution
    Patent number: 8976646
    Abstract: In one aspect, the disclosure includes an apparatus comprising a processor configured to function as a merge point (MP) in a point to multi-point (P2MP) backup label switching path (LSP) for a primary LSP, receive P2MP backup LSP information originating from a protected node, wherein the P2MP backup LSP information comprises the identity of a point of local repair (PLR), determine a backup label switching router (LSR), and send a message with the identity of the backup LSR to an upstream node.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: March 10, 2015
    Assignee: Futurewei Technologies, Inc.
    Inventors: Qianglin Quintin Zhao, Lujun Wan, Tao Zhou, Ying Chen