Patents by Inventor Chaocai Liang

Chaocai Liang 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).

  • METHOD AND SYSTEM FOR ESTABLISHING IPSEC TUNNEL
    Publication number: 20150135299
    Abstract: Provided are a method and system for establishing an IPSec tunnel. The method comprises: an base station requesting a first configuration parameter from a configuration server, and requesting a digital certificate from a CA server according to the first configuration parameter which is responded by the configuration server; the base station establishing a temporary IPSec tunnel to a security gateway according to the acquired digital certificate, and requesting a second configuration parameter from a background network management unit through the temporary IPSec tunnel; and after acquiring the second configuration parameter, the base station dismantling the temporary IPSec tunnel, and establishing a permanent IPSec tunnel between itself and the security gateway according to the second configuration parameter.
    Type: Application
    Filed: July 24, 2012
    Publication date: May 14, 2015
    Applicant: ZTE CORPORATION
    Inventors: Chaocai Liang, Junfeng Liao, Rui Li