Nextcloud Talk High Performance Back-End Requirements

Here you find the minimum system requirements for the Talk High-Performance Back-End (HPB) and how to configure the Network interface to enable communication between the HPB, Nextcloud and the users.

Talk Specific Terminology

  • HPB: High-Performance Back-End, the whole server with all it's components
  • SFU: Selective Forwarding Unit, this is one component of the HPB. The SFU collects all the media streams and send it out to all participants again.
  • Signaling Server: Another component of the HPB which handles the signalling between the server and the participants, e.g. "user X joined a call".

Minimum System Requirements

  • 8 GB RAM
  • 32 GB free disk (for caching, data will not be stored)
  • 4 Cores i7/Xeon
  • This setup is estimated to work for at least about 150 concurrent users
  • It should suffice for far larger numbers when talking about webinars or small (1-5 participants) meetings. See below for some examples.
  • Supported operating systems:
    • Ubuntu Linux (LTS), 14.04., 16.04. 18.04, 20.04
    • Debian 10

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