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Basically yes, a custom datachannel implementation. Haven't updated it lately, but it's up at https://github.com/seemk/WebUDP

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Pretty cool.

You don't happen to have some ping comparisons betwen WebRTC and WebSockets?

Sadly no, but I don't think there's much of a ping difference on a good network. With WebRTC (datachannels in UDP mode) you just get the benefits of UDP (or lack thereof :)).

I see.

I had the impression UDP would lower the average ping, because you wouldn't have to wait on lost packages like with TCP.

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