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Antonio CintoraSISTEMAS
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Articles

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PUBLISHED

NETWORKING20 MIN

How HTTP works: the message, the layers and the four versions

What's actually inside an HTTP request, why HTTP sends messages and not packets, and how each version —from 0.9 to HTTP/3 over QUIC— fixes the jam the previous one left behind.

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NETWORKINGHow DNS works: the map of the system2026-09-05

IN PREPARATION

NETWORKINGDNS part 2: resolution step by step, caching and TTLN/D

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