Patents by Inventor Chaohua WAN

Chaohua WAN 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).

  • Session-cache-based HTTP acceleration
    Patent number: 8806029
    Abstract: A method performed by a device includes receiving a first Hyper-Text Transfer Protocol (HTTP) packet, creating a first session based on the HTTP packet, and creating a session cache entry for the first session. The method also includes receiving a second HTTP packet, performing a session cache lookup to identify a match of the second HTTP packet with the session cache entry, and creating a second HTTP session based on the match of the second HTTP packet with the session cache entry.
    Type: Grant
    Filed: April 13, 2009
    Date of Patent: August 12, 2014
    Assignee: Juniper Networks, Inc.
    Inventors: Tian Chen, Wei Hua Guo, Chaohua Wan
  • Server protection from distributed denial of service attacks
    Patent number: 8650631
    Abstract: A network device connects between a client and a server. The network device is configured to store information regarding an application operating on the server; receive a first message, from the client, intended for the server; generate a second message in response to the first message; send the second message to the client; receive a third message from the client; generate, based on the information regarding the application on the server, a fourth message, that includes the information regarding the application operating on the server; send the fourth message to the client; receive a service request from the client in response to the fourth message; and establish, based on the service request, a connection between the client and the server.
    Type: Grant
    Filed: April 10, 2009
    Date of Patent: February 11, 2014
    Assignee: Juniper Networks, Inc.
    Inventors: Wei Hua Guo, Tian Chen, Chaohua Wan
  • SESSION-CACHE-BASED HTTP ACCELERATION
    Publication number: 20100235522
    Abstract: A method performed by a device includes receiving a first Hyper-Text Transfer Protocol (HTTP) packet, creating a first session based on the HTTP packet, and creating a session cache entry for the first session. The method also includes receiving a second HTTP packet, performing a session cache lookup to identify a match of the second HTTP packet with the session cache entry, and creating a second HTTP session based on the match of the second HTTP packet with the session cache entry.
    Type: Application
    Filed: April 13, 2009
    Publication date: September 16, 2010
    Applicant: JUNIPER NETWORKS INC.
    Inventors: Tian CHEN, Wei Hua GUO, Chaohua WAN
  • SERVER PROTECTION FROM DISTRIBUTED DENIAL OF SERVICE ATTACKS
    Publication number: 20100235902
    Abstract: A network device connects between a client and a server. The network device is configured to store information regarding an application operating on the server; receive a first message, from the client, intended for the server; generate a second message in response to the first message; send the second message to the client; receive a third message from the client; generate, based on the information regarding the application on the server, a fourth message, that includes the information regarding the application operating on the server; send the fourth message to the client; receive a service request from the client in response to the fourth message; and establish, based on the service request, a connection between the client and the server.
    Type: Application
    Filed: April 10, 2009
    Publication date: September 16, 2010
    Applicant: Juniper Networks, Inc.
    Inventors: Wei Hua GUO, Tian CHEN, Chaohua WAN