If you are consuming the stream in one Chrome window, it will be obvious which process should be run through a shaped network.ĭouble-click on the identified process to bring up the priority window. E.g., entering “chrome” into the search area will filter for the running instances of Google Chrome. With the browser running, launch NetBalancer. Run the browser of your choice and visit the stream player that you wish to evaluate. XCode can be downloaded here, and the add-on can be found in “Additional Tools for XCode” on the Apple Developers page. However, adding jitter is not possible so using NetBalancer on a PC is strongly recommended instead as jitter is crucial to accurately emulate network congestions. If you are using macOS, the free software XCode has an add-on called Network Link Conditioner, which can be used to induce delay and drops. Install NetBalancer in the location of your choice. We recommend using the paid version as it enables the testing described in this guide. If you are using a PC with Windows, follow this link to download NetBalancer. This quick guide will focus on a particular method of testing stability (resilience and quality) by shaping the network to emulate realistic conditions.Ī network shaper can be used to induce a reasonable amount of jitter, latency, and packet loss. While the examples below are utilizing the Vindral Live CDN Demo, we strongly recommend carrying out a proper test for all vendors considered, to compare stream performance under realistic network conditions. This is what your viewers will actually see, or at least a reasonable approximation. Therefore, any solution must mitigate the conditions that could reasonably be expected. The connection the viewer is using is often called the last mile and is outside of your control. Network performance is usually non-perfect and introduces latency, packet loss, and jitter - regardless of whether the viewer is using a mobile connection or home wifi. These are sync, resilience, latency, and quality. To properly assess the performance of a CDN, the main challenges in video delivery must be considered. This page contains useful guides and information on how to perform proper tests and evaluations of different live streaming functionalities.
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