Patents by Inventor Wanq-Der Lee

Wanq-Der Lee 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: 7483398
    Abstract: A method for automatically detecting bi-directional link switched ring link provisioning errors. The method includes receiving an opaque link state advertisement containing bi-directional link switched ring ID and link information at a local node of the ring and checking ring IDs of neighbor nodes of the local node. If the ring IDs of the local node and neighbor nodes do not match a ring ID mismatch alarm is raised.
    Type: Grant
    Filed: May 18, 2001
    Date of Patent: January 27, 2009
    Assignee: Cisco Technology, Inc.
    Inventors: Jin Huai, Wanq-Der Lee, Xiaopin Nie