Network Requirements | Real-Time Streaming

Amazon IVS real-time streaming relies on WebRTC and WebSocket protocols for the transmission of media and data. To ensure a seamless experience, the destinations and ports listed below must be accessible. Any restrictions on inbound or outbound traffic to these destinations may disrupt the functionality of IVS real-time streaming.

You can use this network test tool to ensure that your network is properly configured and that traffic to and from the necessary destinations and ports is not being blocked.

Common

Destination	Ports
*.live-video.net	TCP:443

Media

By default, IVS real-time streaming relies on UDP for the transmission of media to ensure low-latency and high-performance streaming. If UDP is blocked for participants subscribing to media, TCP is used as a fallback. TCP fallback is not supported for publishing, so if UDP traffic is completely blocked, publishing will fail.

Destination	Ports
All subnets listed under the IVS_REALTIME service in ip-ranges.json must be accessible, regardless of their region or your chosen AWS Region. Participants may be connected to any subnet automatically. See Global Solution, Regional Control for details.	UDP:3478 UDP:443 TCP:3478 (Fallback) TCP:443