Patents by Inventor ZHOUTING ZHANG

ZHOUTING 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 service access method and access gateway equipment
    Patent number: 8667176
    Abstract: The present invention includes a network service access method. In one embodiment, such a method comprises: forwarding the domain name resolution requests to a local domain name server of each Internet service provider providing services through access link corresponding with the Internet service provider; receiving Internet Protocol address on the domain name resolution requests which the local domain name server of each Internet service provider returned from the corresponding access link; selecting the Internet Protocol address according to line state of the access link of each Internet service provider providing services and returning the selected Internet Protocol address to the user equipments; and visiting network services by the access link of the Internet service provider returning the selected Internet Protocol address.
    Type: Grant
    Filed: January 6, 2011
    Date of Patent: March 4, 2014
    Assignee: Sangfor Technologies Company Limited
    Inventor: Zhouting Zhang
  • NETWORK SERVICE ACCESS METHOD AND ACCESS GATEWAY EQUIPMENT
    Publication number: 20110173339
    Abstract: The present invention includes a network service access method. In one embodiment, such a method comprises: forwarding the domain name resolution requests to a local domain name server of each Internet service provider providing services through access link corresponding with the Internet service provider; receiving Internet Protocol address on the domain name resolution requests which the local domain name server of each Internet service provider returned from the corresponding access link; selecting the Internet Protocol address according to line state of the access link of each Internet service provider providing services and returning the selected Internet Protocol address to the user equipments; and visiting network services by the access link of the Internet service provider returning the selected Internet Protocol address.
    Type: Application
    Filed: January 6, 2011
    Publication date: July 14, 2011
    Applicant: SANGFOR TECHNOLOGIES COMPANY LIMITED
    Inventor: ZHOUTING ZHANG