Patents by Inventor Yongfu Chai

Yongfu Chai 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 SESSION CONTROL
    Publication number: 20150381739
    Abstract: According to an example, a proxy device receives a request packet sent by the session management device, determines a target access device corresponding to the request packet, modifies the destination IP address of the request packet to be the IP address of the target access device while keeping the source IP address of the request packet unchanged, and sends the modified request packet to the target access device.
    Type: Application
    Filed: February 13, 2014
    Publication date: December 31, 2015
    Inventor: Yongfu CHAI
  • Method for 802.1X authentication, access device and access control device
    Patent number: 9066231
    Abstract: In a method for 802.1X authentication, used in a network which comprises an access device and an access control device, a WLAN security template and a 802.1X client template is enabled at the access device, a 802.1X client template is enabled at the access device, and a 802.1X device template is enabled at a tunnel port of the access control device. The access control device establishes a 802.1X authentication tunnel with the access device, receive a packet transmitted by a client at the access control device through the 802.1X authentication tunnel, authenticates the client after receiving the packet, and assists the access device through the 802.1X authentication tunnel to obtain a session key.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: June 23, 2015
    Assignee: HANGZHOU H3C TECHNOLOGIES CO., LTD.
    Inventors: Yongfu Chai, Yonggang Xu
  • Method for 802.1X Authentication, Access Device and Access Control Device
    Publication number: 20130212394
    Abstract: In a method for 802.1X authentication, used in a network which comprises an access device and an access control device, a WLAN security template and a 802.1X client template is enabled at the access device, a 802.1X client template is enabled at the access device, and a 802.1X device template is enabled at a tunnel port of the access control device. The access control device establishes a 802.1X authentication tunnel with the access device, receive a packet transmitted by a client at the access control device through the 802.1X authentication tunnel, authenticates the client after receiving the packet, and assists the access device through the 802.1X authentication tunnel to obtain a session key.
    Type: Application
    Filed: June 2, 2011
    Publication date: August 15, 2013
    Applicant: Hangzhou H3C technologies Co., Ltd.
    Inventors: Yongfu Chai, Yonggang Xu