How Alt-Svc switches HTTP/2 clients to use HTTP/3 | The Backend Engineering Show

<p>The Alt-Svc header/frame is a capability that allows the server to adverse alternative services to the connected application available in protocols, ports or domains. It is available as a response header alt-svc and also as an HTTP/2 frame. Let us discuss this capability.</p> <p>0:00 Intro</p> <p>1:38 what is alt-svc?</p> <p>5:30 uses of h3 in alt-svc</p> <p>8:00 alt-svc header</p> <p>10:00 Alt-svc header with 103 early hints</p> <p>14:48 h2 altsvc frame</p> <p>18:30 SVCB DNS record</p> <p>21:20 Summary</p> <p>Fundamentals of Backend Engineering Design patterns udemy course (link redirects to udemy with coupon)</p> <p>https://backend.husseinnasser.com</p>