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

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

Update: 2023-02-13
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Description

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.


0:00 Intro


1:38 what is alt-svc?


5:30 uses of h3 in alt-svc


8:00 alt-svc header


10:00 Alt-svc header with 103 early hints


14:48 h2 altsvc frame


18:30 SVCB DNS record


21:20 Summary


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https://backend.husseinnasser.com

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

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

Hussein Nasser