Patents by Inventor L. Timothy Patrick

L. Timothy Patrick 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).

  • Detecting stale memory addresses for a network device flow cache
    Patent number: 10541918
    Abstract: An example network device includes a flow cache configured to store a flow cache entry that indicates a memory address referenced by one or more actions of the flow cache entry and a first learn index for the memory address, a memory address map configured to store a second learn index for the memory address, and one or more processors implemented in circuity. The network device is configured to receive a packet for the flow and obtain, from the flow cache entry for the flow, the memory address referenced by the one or more actions and the first learn index. The network device is further configured to determine the first learn index matches the second learn index and forward, in response to the determining, the packet using the one or more actions of the flow cache entry.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: January 21, 2020
    Assignee: Juniper Networks, Inc.
    Inventors: Manmeet Singh, L. Timothy Patrick, Swamy Sadashivaiah Renu Kananda
  • DETECTING STALE MEMORY ADDRESSES FOR A NETWORK DEVICE FLOW CACHE
    Publication number: 20190260676
    Abstract: An example network device includes a flow cache configured to store a flow cache entry that indicates a memory address referenced by one or more actions of the flow cache entry and a first learn index for the memory address, a memory address map configured to store a second learn index for the memory address, and one or more processors implemented in circuity. The network device is configured to receive a packet for the flow and obtain, from the flow cache entry for the flow, the memory address referenced by the one or more actions and the first learn index. The network device is further configured to determine the first learn index matches the second learn index and forward, in response to the determining, the packet using the one or more actions of the flow cache entry.
    Type: Application
    Filed: February 22, 2018
    Publication date: August 22, 2019
    Inventors: Manmeet Singh, L. Timothy Patrick, Swamy Sadashivaiah Renu Kananda