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Fast UDP I/O for Firefox in Rust

max-inden.de published 2025-09-1410 min read

Motivation Around 20% of Firefox’s HTTP traffic today uses HTTP/3, which runs over QUIC, which in turn runs over UDP. This translates to substantial UDP I/O activity. Firefox uses NSPR for most of its network I/O. When it comes to UDP I/O, NSPR only offers a limited set of dated APIs, most relevant here PR_SendTo and…
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Software EngineeringSystems & Performance2025

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Sep 26, 2025Fast UDP I/O for Firefox in Rust by Bender367108

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