Keysight Technologies. has been granted a patent for a system that tests network systems using physical ASIC switching resources and an emulator for data center switching fabrics. The system includes control plane daemons for processing messages and relaying them between emulated devices and remote processors. GlobalData’s report on Keysight Technologies 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 Keysight Technologies, Network traffic analysis was a key innovation area identified from patents. Keysight Technologies's grant share as of June 2024 was 73%. Grant share is based on the ratio of number of grants to total number of patents.
Network system testing using asic switching resources and emulation
The granted patent US12047268B2 outlines a sophisticated system and method for testing a network system under test (SUT) utilizing physical application-specific integrated circuit (ASIC) switching resources. The system includes a switching environment emulator that replicates a data center switching fabric, which consists of multiple fabric switching elements. A key component is the first control plane daemon, which processes control plane messages for a designated switching element while being physically remote from the emulated datacenter testbed housing the ASIC resources. The system also features a control plane relay daemon that facilitates communication between the emulated testbed and the control plane daemon, ensuring the relay of additional control plane messages from other switching elements to a pool of control plane daemons.
The patent further details the capabilities of the control plane daemon, which can process messages according to various protocols, including BGP, ARP, and OpenFlow. It also describes the use of containers to host the pool of control plane daemons and the integration of a software-defined networking (SDN) controller for modifying the data center switching fabric. The method for testing the SUT involves emulating the switching fabric, processing control plane messages, and executing test scripts based on communicated test traffic, ultimately generating a test report. This comprehensive approach aims to enhance the efficiency and effectiveness of network system testing in data center environments.
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