Red5 Documentation

Release 5.2.0

  • Fixed – Number of file descriptors opened keeps growing on servers with multiple NICs or multiple external IPs
  • Fixed – ICE Connection issues with Firefox v62
  • Added – On-demand streaming available via clustered edge servers
  • Added – Can configure UDP port range for WebRTC in (defaults are 49152-65535)
  • WebRTC performance optimizations
    • Smaller CPU spikes on connections
    • Even lower latency
    • Higher server capacity
  • Updated Azure autoscaling cloud controller to support new instance types
  • Updated AWS autoscaling cloud controller to support new regions
  • Fixed – Can’t broadcast a stream with name event via Stream Manager

Autoscaling API v3.1 – New Features:

Release 5.2.0 Server Performance Metrics

Publishing a 256kbps stream via RTMP, we were able to achieve the following while still maintaining quality of stream:

  • 500 WebRTC subscribers
  • 1,800 RTSP (mobile) subscribers
  • 1,000 RTMP subscribers

The same server type can support approximately forty 480p RTMP publishers