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Re:The Need for Web UDP by TD-Linux on Wednesday July 26, 2017 @07:23PM (#14861288)
It's definitely a concern! WebRTC solves this in two different ways:

1. The receiving end must consent to receiving packets by completing the DTLS handshake required by WebRTC.

2. The browser enforces SCTP congestion control to avoid spamming large numbers of UDP packets. Basically, it'll start throttling you when it detects packet loss.

Re:The Need for Web UDP by gafferongames on Sunday July 30, 2017 @02:03AM (#14884616)
This sounds like a bad option for games played over wireless connections.