VMware has been granted a patent for a gateway design utilizing a datapath daemon to manage network traffic. The method involves configuring a computer with multiple processing threads on different cores, with a control plane thread communicating with datapath threads through a user space network stack. GlobalData’s report on VMware gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on VMware, Network virtualization was a key innovation area identified from patents. VMware's grant share as of February 2024 was 76%. Grant share is based on the ratio of number of grants to total number of patents.
Gateway for network traffic using datapath and control plane threads
A recently granted patent (Publication Number: US11929943B2) discloses a method for configuring a computer to act as a gateway for a network. The method involves operating multiple processing threads on different processing cores of the computer to execute various packet processing stages of network elements within the gateway. One of the processing threads provides a service for the others, communicating through the computer's network stack for network protocol processing. The first and second processing threads are datapath threads, while the third thread serves as a control plane thread, enhancing the efficiency and functionality of the gateway.
Furthermore, the patent details the storage of a program on a non-transitory machine-readable medium that configures a computer to implement the network gateway. This program includes instructions for operating processing threads on different cores, with one thread providing a service for the others through the network stack. The service can include routing services like border gateway protocol (BGP) routing, load balancing services, and communication between logical datapath and control plane threads. The separation of the network stack from the processing threads, the use of run-to-completion threads, and the interaction between the threads for packet processing highlight the innovative approach outlined in the patent for efficient network gateway implementation.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
