Patents by Inventor Xiaohui Tong

Xiaohui Tong 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).

  • Packet processing method and apparatus
    Patent number: 12224978
    Abstract: A packet processing method and apparatus are provided. The method includes: on a forwarding path of an IPv6 packet, a key node (for example, a firewall) signs a packet, and a downstream apparatus of the key node verifies the signature, to determine whether the packet passes through the key node in a forwarding process. According to this application, the key node performs checking, to effectively prevent a packet which packet header is modified by attackers from bypassing the key node.
    Type: Grant
    Filed: May 10, 2023
    Date of Patent: February 11, 2025
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yanping Xu, Liang Xia, Xiaohui Tong
  • PACKET PROCESSING METHOD AND APPARATUS
    Publication number: 20230283588
    Abstract: A packet processing method and apparatus are provided. The method includes: on a forwarding path of an IPv6 packet, a key node (for example, a firewall) signs a packet, and a downstream apparatus of the key node verifies the signature, to determine whether the packet passes through the key node in a forwarding process. According to this application, the key node performs checking, to effectively prevent a packet which packet header is modified by attackers from bypassing the key node.
    Type: Application
    Filed: May 10, 2023
    Publication date: September 7, 2023
    Inventors: Yanping Xu, Liang Xia, Xiaohui Tong