Keysight Technologies. has filed a patent for a system that conducts network traffic simulations using HTTP archive (HAR) data. The system includes a HAR parsing and processing engine, a test case execution engine, and a performance analysis and reporting module. It generates HTTP transaction test definitions from HAR file information, creates a web application server emulation for testing a system under test (SUT), and generates performance metrics based on the SUT’s processing of test packets. GlobalData’s report on Keysight Technologies gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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 September 2023 was 78%. Grant share is based on the ratio of number of grants to total number of patents.

Network traffic simulation using http archive (har) data

Source: United States Patent and Trademark Office (USPTO). Credit: Keysight Technologies Inc

A recently filed patent (Publication Number: US20230318929A1) describes a system and method for conducting a network traffic simulation using Hypertext Transfer Protocol (HTTP) Archive (HAR) data. The system includes a HAR parsing and processing engine that analyzes HAR file information generated by a web client entity. This information is then used to generate one or more HTTP transaction test definitions. A test case execution engine utilizes these test definitions to generate a web application server emulation, which is used to perform a test on a system under test (SUT). The web application server emulation generates a plurality of test packets, and a performance analysis and reporting module generates a performance metric for the SUT based on the processing of these test packets.

The system also includes features such as the ability to insert random parameter values at identified entropy insertion points in the HAR file information, which produces entropy enriched HAR file information. This enriched information is used to generate synthetic test traffic that is similar to the HTTP traffic represented in the HAR file. The system further includes a transmit port for sending the test packets to the SUT and a receive port for receiving the packets that transit the SUT.

Additionally, the system includes an automated web client exerciser engine that can automatically exercise the web client entity. This engine allows for automated testing and simulation of network traffic.

The method described in the patent involves receiving HAR file information generated by a web client entity in a test environment. This information is then used to generate HTTP transaction test definitions, which are used to generate a web application server emulation for testing the SUT. The web application server emulation generates test packets, and performance metric data is generated based on the processing of these packets by the SUT.

Similar to the system, the method also includes the ability to insert random parameter values at entropy insertion points in the HAR file information to produce entropy enriched HAR file information. This enriched information is used to generate synthetic test traffic similar to the HTTP traffic represented in the HAR file. The method can also utilize an automated web client exerciser engine for automated testing.

Overall, this patent describes a system and method for conducting network traffic simulations using HAR data, allowing for the testing and analysis of system performance.

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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.