5 min read
Why Ookla doesn't predict Zoom call quality
Your speed test says 500 Mbps. Your Zoom call still glitches. The test isn't broken — it's measuring the wrong thing. Here's what's actually happening on the wire.
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Notes on real-time call quality, bufferbloat, and the gap between what speed tests measure and what your Zoom call actually needs.
6 min read
Bufferbloat, explained for non-network-engineers
Your call freezes the moment someone in the house starts a big download. The link still has plenty of bandwidth. The fix is buried in your router. Here's what's going on and how to fix it.
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"Zoom Unstable Connection" — what it actually means
When Zoom shows the yellow exclamation, it's not bandwidth. It's one of four specific things — and three of them you can fix in five minutes.
Read →7 min read
Fix bufferbloat on TP-Link Archer (BE230, AX55, AX73)
TP-Link's consumer routers ship bufferbloat-prone by default. The fix is a single SQM toggle, but it lives behind a confusingly-labelled menu. Here's the exact path.
Read →6 min read
Eero mesh: when it actually fixes video-call jitter (and when it makes it worse)
Mesh systems are oversold for video calls. Eero is the best of the consumer options, but only if you avoid the one default setting that causes 80% of the jitter complaints.
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