Patents by Inventor Guangping Niu

Guangping Niu 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 device for link protection in virtual private local area network
    Patent number: 8750314
    Abstract: The present invention discloses a method and device for a link protection in a virtual private local area network, which relates to the network data communication technology. The method of the present invention includes: in a networking process of a VPLS network, a link protection device establishing a main tunnel and a standby tunnel of MPLS TE for a link, and creating a VPLS forwarding table to deal with the information of the established MPLS TE main tunnel and standby tunnel; and when receiving a VPLS message, the link protection device searching the information of the MPLS TE main tunnel of the VPLS message according to a way of accessing the VPLS network of the VPLS message and the VPLS forwarding table, and if the found MPLS TE main tunnel is invalid, then transmitting the received VPLS message by adopting the standby tunnel of the MPLS TE main tunnel.
    Type: Grant
    Filed: September 25, 2010
    Date of Patent: June 10, 2014
    Assignee: ZTE Corporation
    Inventors: Shihua Wu, Shimeng Chen, Guangping Niu
  • Method and Device for Link Protection in Virtual Private Local Area Network
    Publication number: 20120239965
    Abstract: The present invention discloses a method and device for a link protection in a virtual private local area network, which relates to the network data communication technology. The method of the present invention includes: in a networking process of a VPLS network, a link protection device establishing a main tunnel and a standby tunnel of MPLS TE for a link, and creating a VPLS forwarding table to deal with the information of the established MPLS TE main tunnel and standby tunnel; and when receiving a VPLS message, the link protection device searching the information of the MPLS TE main tunnel of the VPLS message according to a way of accessing the VPLS network of the VPLS message and the VPLS forwarding table, and if the found MPLS TE main tunnel is invalid, then transmitting the received VPLS message by adopting the standby tunnel of the MPLS TE main tunnel.
    Type: Application
    Filed: September 25, 2010
    Publication date: September 20, 2012
    Inventors: Shihua Wu, Shimeng Chen, Guangping Niu