A 3Delight Collective allows you to render a single image, including in IPR, faster by using several computers from your network. It is selected through the 3Delight Preferences Processing Options (in the sidebar of 3Delight Display) or, when rendering using renderdl, though a command line option.
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It is only a matter of listing one or more group of computers /servers and associating them with a name(s). Here is an example of 5 collectives that can be defined in a hypothetical production facility:
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With this information, the 3Delight Collective option will be available among the 3Delight Preferences Processing Options and accompanied with a menu to select which collective to use (if there are more than one):
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