Patents by Inventor David Lei Zhang

David Lei Zhang 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).

  • Network device configuration using separate logic and version-based configuration files
    Patent number: 7792930
    Abstract: A set of network devices having varying device attributes, such as varying attributes due to different operating system versions, different hardware versions, or different hardware platforms, may be efficiently managed. A syntax file may be used to describe constraints relating to attributes of multiple versions of the network devices. At least one device configuration file (DCF) stores version-based differences relating to the different versions of the network devices, the syntax file and at least one the one DCF collectively describe a set of constraints for the attributes of the network devices.
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: September 7, 2010
    Assignee: Juniper Networks, Inc.
    Inventors: David Lei Zhang, Brian Yean-Shiang Leu, Chi-Chang Lin, Xiangang Huang, James E. Fehrle