You may have never heard of it, but if you are a Chrome user, chances are you’ve used Google’s QUIC protocol.
So, what’s the big deal here? QUIC is Google’s experimental, low-latency internet transportation protocol over UDP, a protocol that is often used by gaming, streaming media, and VoIP services. The name ‘QUIC’ stands for Quick UDP Internet Connection.
Example: YouTube videos not loading as expected, or issues where application enforcement fails to apply.
You may see an error like the one in the screenshot below: