Patents by Inventor Yunxia Cai

Yunxia Cai 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).

  • Patent number: 8571546
    Abstract: The invention discloses a method for implementing dual-homing, including: setting each one of any two core control equipment as a standby for each other, connecting a network entity belonging to one of the core control equipment with the two core control equipment through a primary link and a standby link respectively; setting the primary link connected with the core control equipment as activated, and setting the standby link connected with the core control equipment inactive; determining whether the core control equipment corresponding to the primary link is out of service, if the core control equipment corresponding to the primary link is out of service, activating the standby link; otherwise, continuously determining whether the core control equipment corresponding to the primary link is out of service. The invention also discloses another method for implementing dual-homing, by which the reliability of the network can be improved.
    Type: Grant
    Filed: January 13, 2012
    Date of Patent: October 29, 2013
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jiongjiong Gu, Chunhui Zhao, Yunxia Cai, Zhenhua Liu, Hanbing Chen, Changcheng Guo, Yong Zhong, Yong Lin, Weiqiang Zhou
  • Publication number: 20120106318
    Abstract: The invention discloses a method for implementing dual-homing, including: setting each one of any two core control equipment as a standby for each other, connecting a network entity belonging to one of the core control equipment with the two core control equipment through a primary link and a standby link respectively; setting the primary link connected with the core control equipment as activated, and setting the standby link connected with the core control equipment inactive; determining whether the core control equipment corresponding to the primary link is out of service, if the core control equipment corresponding to the primary link is out of service, activating the standby link; otherwise, continuously determining whether the core control equipment corresponding to the primary link is out of service. The invention also discloses another method for implementing dual-homing, by which the reliability of the network can be improved.
    Type: Application
    Filed: January 13, 2012
    Publication date: May 3, 2012
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Jiongjiong Gu, Chunhui Zhao, Yunxia Cai, Zhenhua Liu, Hanbing Chen, Changcheng Guo, Yong Zhong, Yong Lin, Weiqiang Zhou
  • Publication number: 20070183347
    Abstract: The invention discloses a method for implementing dual-homing, including: setting each one of any two core control equipment as a standby for each other, connecting a network entity belonging to one of the core control equipment with the two core control equipment through a primary link and a standby link respectively; setting the primary link connected with the core control equipment as activated, and setting the standby link connected with the core control equipment inactive; determining whether the core control equipment corresponding to the primary link is out of service, if the core control equipment corresponding to the primary link is out of service, activating the standby link; otherwise, continuously determining whether the core control equipment corresponding to the primary link is out of service. The invention also discloses another method for implementing dual-homing, by which the reliability of the network can be improved.
    Type: Application
    Filed: February 22, 2007
    Publication date: August 9, 2007
    Inventors: Jiongjiong Gu, Chunhui Zhao, Yunxia Cai, Zhenhua Liu, Hanbing Chen, Changcheng Guo, Yong Zhong, Yong Lin, Weiqiang Zhou