Patents by Inventor Mancang Gao

Mancang Gao 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 related apparatus for probing packet forwarding path
    Patent number: 10284461
    Abstract: A method and a related apparatus for probing a packet forwarding path, so that a packet forwarding path between any two devices can be probed is presented. A controller determines a source device and a destination device, where there is at least one intermediate device between the source device and the destination device; the controller sends an Internet Protocol (IP) packet that includes a probe identifier to the source device; the controller receives a first message sent by the destination device and a second message sent by the intermediate device; the controller determines a forwarding path of the IP packet according to the IP packet and a first inbound interface identifier that are sent by the destination device, the IP packet and a second inbound interface identifier that are sent by the intermediate device, and a network topology.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: May 7, 2019
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Mancang Gao, Jiuyong Li, Xingang Zhang, Mingming Zhu
  • Method and Related Apparatus for Probing Packet Forwarding Path
    Publication number: 20180091418
    Abstract: A method and a related apparatus for probing a packet forwarding path, so that a packet forwarding path between any two devices can be probed is presented. A controller determines a source device and a destination device, where there is at least one intermediate device between the source device and the destination device; the controller sends an Internet Protocol (IP) packet that includes a probe identifier to the source device; the controller receives a first message sent by the destination device and a second message sent by the intermediate device; the controller determines a forwarding path of the IP packet according to the IP packet and a first inbound interface identifier that are sent by the destination device, the IP packet and a second inbound interface identifier that are sent by the intermediate device, and a network topology.
    Type: Application
    Filed: September 19, 2017
    Publication date: March 29, 2018
    Inventors: Mancang Gao, Jiuyong Li, Xingang Zhang, Mingming Zhu