Patents by Inventor Qing-Yong Shen

Qing-Yong Shen 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: 8432922
    Abstract: A method for managing Internet Protocol (IP) tunnels is provided. The method is executed by a local host. There is at least one IP tunnel planned between the local host and a remote host. The method comprises the following steps. If the local addresses of the tunnels include dynamic IP addresses, acquire the dynamic IP addresses. All tunnels with known remote addresses are built. If there are known remote addresses and the local addresses include dynamic IP addresses, send a notification to the remote host, wherein the notification includes all local dynamic IP addresses. If any local address changes, all tunnels with changed local addresses and known remote addresses are rebuilt. A message is received from the remote host and classified. If the message is a notification, the tunnels are updated according to the remote addresses included in the message, and an acknowledgement is sent back to the remote host.
    Type: Grant
    Filed: June 3, 2008
    Date of Patent: April 30, 2013
    Assignee: Xtera Communications, Inc.
    Inventors: Jing-Feng Zhang, Kun Xie, Qing-Yong Shen, Yih Yung
  • Publication number: 20090296721
    Abstract: A method for managing Internet Protocol (IP) tunnels is provided. The method is executed by a local host. There is at least one IP tunnel planned between the local host and a remote host. The method comprises the following steps. If the local addresses of the tunnels include dynamic IP addresses, acquire the dynamic IP addresses. All tunnels with known remote addresses are built. If there are known remote addresses and the local addresses include dynamic IP addresses, send a notification to the remote host, wherein the notification includes all local dynamic IP addresses. If any local address changes, all tunnels with changed local addresses and known remote addresses are rebuilt. A message is received from the remote host and classified. If the message is a notification, the tunnels are updated according to the remote addresses included in the message, and an acknowledgement is sent back to the remote host.
    Type: Application
    Filed: June 3, 2008
    Publication date: December 3, 2009
    Applicant: ASCEN VISION TECHNOLOGY INC.
    Inventors: Jing-Feng Zhang, Kun Xie, Qing-Yong Shen, Yih Yung