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 re

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.