dns
an archive of posts with this tag
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Putting it together - what happens when you type a URL
From pressing Enter to the page appearing, every layer in the series is called on within a second. The final part traces all five as a single flow.
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The application layer (DNS/HTTP) - look up a name, then talk
People use names, not IP addresses. DNS, the distributed system that turns names into addresses, and HTTP, the language the web speaks over them.