networks/
The internet underneath: DNS, TCP/IP, TLS, latency and CDNs.
3 results
networks/traceroute-how-a-countdown-number-reveals-every-stop-between-you-and-a.md
Traceroute: how a countdown number reveals every stop between you and a server
Your data crosses a dozen machines on its way to a server, and you never see one of them. Yet a tool called traceroute lists every stop in…
networks/dns-lookups-why-a-website-is-slower-the-first-time-you-visit.md
DNS lookups: why a website is slower the first time you visit
Typing a name like www.example.com sets off a short chain of questions: a resolver asks a root server, then a .com server, then the…
networks/how-does-example-com-turn-into-an-ip-address-dns-step-by-step.md
How does example.com turn into an IP address? DNS, step by step
Computers find each other by number, not by name. Before your browser can load example.com, it has to find the site's IP address, and…