Patents by Inventor Caiqin GAO

Caiqin 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, ROUTING DEVICE, AND SYSTEM FOR NETWORK DEVICE REDUNDANCY BACKUP
    Publication number: 20140169154
    Abstract: A method for network device redundancy backup includes performing communication and exchanging a VRRP message directly between VRRP master and backup routers to negotiate a master and backup relationship and sending, by the VRRP master device using an interface connected to an access device, a gratuitous ARP packet to the access device, so as to instruct the access device to direct user traffic to the VRRP master router. According to this method, the VRRP master and backup routers communicate and exchange a VRRP message directly, and the VRRP master router sends a gratuitous ARP packet to an access device through an interface connected to the access device.
    Type: Application
    Filed: February 24, 2014
    Publication date: June 19, 2014
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Wei CHEN, Qiang ZHANG, Caiqin GAO, Shuangquan WEN