Patents by Inventor Chuong-Yaw Michael Shieh

Chuong-Yaw Michael Shieh 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).

  • Distributed computer network zone based security architecture
    Patent number: 9419941
    Abstract: A method and apparatus is disclosed herein for distributed zone-based security. In one embodiment, the method comprises: determining an ingress security zone associated with an ingress of a first network device based on a first key and a media access control (MAC) address of a source of a packet; determining an egress security zone of a second network device based on a MAC address of a destination for the packet and a second key; performing a policy lookup based on the ingress security zone and the egress security zone to identify a policy to apply to the packet; and applying the policy to the packet.
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: August 16, 2016
    Assignee: VARMOUR NETWORKS, INC.
    Inventors: Yi Sun, Meng Xu, Lee Cheung, Hsisheng Wang, Chuong-Yaw Michael Shieh
  • DISTRIBUTED COMPUTER NETWORK ZONE BASED SECURITY ARCHITECTURE
    Publication number: 20130254871
    Abstract: A method and apparatus is disclosed herein for distributed zone-based security. In one embodiment, the method comprises: determining an ingress security zone associated with an ingress of a first network device based on a first key and a media access control (MAC) address of a source of a packet; determining an egress security zone of a second network device based on a MAC address of a destination for the packet and a second key; performing a policy lookup based on the ingress security zone and the egress security zone to identify a policy to apply to the packet; and applying the policy to the packet.
    Type: Application
    Filed: March 22, 2013
    Publication date: September 26, 2013
    Inventors: Yi Sun, Meng Xu, Lee Cheung, Sean Wang, Chuong-Yaw Michael Shieh