A render farm uses hundreds or even thousands of computer systems. In a render farm, the rendering is distributed amongst all the machines that render simultaneously, which drastically shortens rendering time.
Compared to a local renderfarm, a render cloud provider/commercial renderfarm can render a lot more render jobs at once.
The renderfarm services like AlphaRender can solve this problem by using thousands of computers that are specially designed to generate this much processing power for 3D images, called render nodes. Each render node has numerous 3D software and plugins installed.
The complex system is controlled through software that distributes each renders job to hundreds, even thousands of render nodes that render simultaneously. The software also starts the render nodes, only using the software necessary for a specific render job.
This process makes it very simple to use a render farm like AlphaRender for your project.
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