Runpod•15mo ago

Is it possible to run a WebRTC server on a pod?

I don't think this is possible for two reasons:

The Cloudflare 100 second limit means that long-running connections like video chat are not possible.
Ports can only be exposed individually, but WebRTC requires a whole port range to be exposed.

I would like to run a pod that does realtime video processing with WebRTC but I think it may be impossible. I wanted to check before I switched to another cloud GPU provider. I have a small example app that works for me on another cloud provider here for reference: https://github.com/kylemcdonald/webrtc-bot

GitHub

GitHub - kylemcdonald/webrtc-bot

Contribute to kylemcdonald/webrtc-bot development by creating an account on GitHub.

KKyle McDonald I don't think this is possible for two reasons: 1. The Cloudflare 100 second li...

Encyrption•10/5/24, 6:54 PM

Does this require a GPU? If not, why not just host it on $10/month VM?

Kyle McDonaldOP•10/5/24, 7:19 PM

This example does not require a GPU (and I have successfully installed it on a Digital Ocean droplet), but my application requires a GPU. I made this example in order to test the principle before I try to deploy the app with all its dependencies.

Encyrption•10/5/24, 7:27 PM

If you use TCP ports, instead of HTTP ports then Cloudflare shouldn't be involved. RunPod uses Cloudflare to proxy their HTTP ports but TCP ports are a direct mapping that doesn't go through a proxy.

Kyle McDonaldOP•10/5/24, 9:32 PM

webrtc typically runs over udp, not tcp or http. but if udp is exempt from the proxying, then i would have expected it to "just work"

i will do some more research on what ports and protocols are supported. thank you!

yhlong00000•10/5/24, 9:37 PM

It is not possible right now, because of the udp

inc3pt.io•10/6/24, 3:25 PM

It is possible. You don't need the UDP ports for the WebRTC session, you only need to send back the server SDP after the offer SDP is received from a client. Just have your TURN server somewhere else if you're going to have your own.

Is it possible to run a WebRTC server on a pod?

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