Kaltura is a video platform.

Kaltura should be installed on a separate server than the rest of WikiSuite

Here is how to integrate with Tiki: https://doc.tiki.org/Tiki-Kaltura+Integration

Please see: https://github.com/kaltura/platform-install-packages#documentation-and-guides

VPaaS Pay-as-you-Go Pricing is available: https://vpaas.kaltura.com/pricing.html