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Articles about networking, IP addresses, and developer tools

Showing 17-20 of 40 articles

Why IP Geolocation is Often Inaccurate: The Database Problem

You are in Istanbul, but the site says Ankara. Why? We explain how GeoIP databases like MaxMind work, and why ISP dynamic pools break accuracy.

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TCP Congestion Control: CUBIC vs. Google BBR

Linux default TCP CUBIC is old. Google BBR ignores packet loss and focuses on the pipe size. Here is why you should enable BBR on your servers.

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HTTP/3 and QUIC: Why the Web is Moving to UDP

TCP has ruled the web for 40 years. Now, HTTP/3 replaces it with QUIC over UDP. No more Head-of-Line Blocking.

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MTU Fragmentation: The Silent VPN Killer

Pages load halfway and hang? Images do not appear? You likely have an MTU mismatch inside your VPN tunnel.

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