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...

    session.createStream({
        name: streamName,
        display: localVideo,
        cacheLocalResources: true,
        receiveVideo: false,
        receiveAudio: false,
        transport: "UDP"
    }).on(STREAM_STATUS.PUBLISHING, function (stream) {
    ...
    }),.publish();

or playing (via TCP for example)

...

Solution: disable any additional network interfaces except this one used to access WSC server.

2. WebRTC video cannot be played for all subscribers if one of the subscribers has a channel problems

Symptoms: video cannot be played for all subscribers if one of the subscribers has a channel problems

Solution: enable non-blocking IO with the following parameter

ice_tcp_nio=true

3. WebRTC over TCP requires more RAM comparing with UDP when non-blocking IO is used

Symptoms: with increasing traffic on the server, the RAM iconsumption ncreases sharply, up to the server shutdown

Solution: add more RAM to the server according to the following recommendations

• 64 Gb RAM for 500 Мbps of traffic
• 128 Gb RAM for 1 Gbps of traffic