Demystifying WebRTC's Data Channel Message Size Limitations

Posted on Thu, 01 Dec 2016 in WebRTC • Tagged with webrtc, datachannel, chunking, saltyrtc • 6 min read

WebRTC's data channels have a message size limitation. But where does this limitation come from? I've read through most of Firefox's and Chromium's data channel code. In this article, I'll show you my results and give some recommendation what you can do to reliably work around this issue.

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