Patents by Inventor Chunqing Cai

Chunqing Cai 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).

  • Publication number: 20240372832
    Abstract: Techniques for fast policy matching with runtime signature update are disclosed. In some embodiments, a system/process/computer program product for fast policy matching with runtime signature update includes receiving a plurality of rules for pattern-matching signatures; compiling the plurality of rules for a fast policy matching engine that detects malware using the pattern-matching signatures; and executing the compiled plurality of rules using the fast policy matching engine to detect a match using at least one of the pattern-matching signatures.
    Type: Application
    Filed: July 17, 2024
    Publication date: November 7, 2024
    Inventor: Chunqing Cai
  • Patent number: 12069028
    Abstract: Techniques for fast policy matching with runtime signature update are disclosed. In some embodiments, a system/process/computer program product for fast policy matching with runtime signature update includes receiving a plurality of rules for malware signatures; compiling the plurality of rules for a fast policy matching engine that detects malware using the malware signatures; and executing the compiled plurality of rules using the fast policy matching engine to detect malware using at least one of the malware signatures.
    Type: Grant
    Filed: June 16, 2022
    Date of Patent: August 20, 2024
    Assignee: Palo Alto Networks, Inc.
    Inventor: Chunqing Cai
  • Publication number: 20230412564
    Abstract: Techniques for fast policy matching with runtime signature update are disclosed. In some embodiments, a system/process/computer program product for fast policy matching with runtime signature update includes receiving a plurality of rules for malware signatures; compiling the plurality of rules for a fast policy matching engine that detects malware using the malware signatures; and executing the compiled plurality of rules using the fast policy matching engine to detect malware using at least one of the malware signatures.
    Type: Application
    Filed: June 16, 2022
    Publication date: December 21, 2023
    Inventor: Chunqing Cai
  • Patent number: 11736390
    Abstract: Techniques for enhanced Software-Defined Wide Area Network (SD-WAN) path quality measurement and selection are disclosed. In some embodiments, a system/method/computer program product for enhanced SD-WAN path quality measurement and selection includes periodically performing a network path measurement for each of a plurality of network paths at a Software-Defined Wide Area Network (SD-WAN) interface; updating a version if the network path measurement exceeds a threshold for one or more of the plurality of network paths; and selecting one of the plurality of network paths for a session based on the version according to an application policy.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: August 22, 2023
    Assignee: Palo Alto Networks, Inc.
    Inventors: Chunqing Cai, Philip Kwan, Lin Wang, Lei Chang, Sameer Kumar, Pulikeshi Ramanath, Santosh Narayankhedkar
  • Publication number: 20220103466
    Abstract: Techniques for enhanced Software-Defined Wide Area Network (SD-WAN) path quality measurement and selection are disclosed. In some embodiments, a system/method/computer program product for enhanced SD-WAN path quality measurement and selection includes periodically performing a network path measurement for each of a plurality of network paths at a Software-Defined Wide Area Network (SD-WAN) interface; updating a version if the network path measurement exceeds a threshold for one or more of the plurality of network paths; and selecting one of the plurality of network paths for a session based on the version according to an application policy.
    Type: Application
    Filed: December 7, 2021
    Publication date: March 31, 2022
    Inventors: Chunqing Cai, Philip Kwan, Lin Wang, Lei Chang, Sameer Kumar, Pulikeshi Ramanath, Santosh Narayankhedkar
  • Patent number: 11252084
    Abstract: Techniques for enhanced Software-Defined Wide Area Network (SD-WAN) path quality measurement and selection are disclosed. In some embodiments, a system/method/computer program product for enhanced SD-WAN path quality measurement and selection includes periodically performing a network path measurement for each of a plurality of network paths at a Software-Defined Wide Area Network (SD-WAN) interface; updating a version if the network path measurement exceeds a threshold for one or more of the plurality of network paths; and selecting one of the plurality of network paths for a session based on the version according to an application policy.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: February 15, 2022
    Assignee: Palo Alto Networks, Inc.
    Inventors: Chunqing Cai, Philip Kwan, Lin Wang, Lei Chang, Sameer Kumar, Pulikeshi Ramanath, Santosh Narayankhedkar