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Curl turns 20, HTTP/2, QUIC (Changelog Interviews #299)

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The Advantages of UDP Over TCP in Lossy Networks

In quick you create connections but they're not connections in the same way as TCP has in them. And so well this TCP limitation is not there in quick. So if you drop a packet somewhere in the middle that belongs to stream one stream two can still continue because it still has all its little packets. It's only the one that actually has lost packets that has to wait. This is this makes the lossy networks situation completely different. Then if you lose if you pack it somewhere yeah sure those streams with that belong to those that actually have lost packets they will have to wait and you know recent packets and everything but the others they can continue. The UDP hack wasn't available to us.

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