#latency
50 episodes
#4697: Why Your Speed Test Lies About Your Internet
The speed test number hides bufferbloat, jitter, and loss. Here's what actually tells you if your connection is good.
#4638: Traffic Shaping: How Routers Decide Who Gets Bandwidth
Token buckets, bufferbloat, and why your router's QoS settings might be lying to you.
#4632: What Your Speed Test Is Really Measuring
Speed tests measure a journey, not a pipe. Here's how ISPs game results and what in-flight Starlink benchmarks reveal.
#4631: How Starlink Delivers Real In-Flight Wi-Fi
Why Starlink beats traditional satellite internet on planes — latency, lasers, and phased arrays explained.
#4450: Intercepting Claude Code: The Proxy Ecosystem
How middleware proxies intercept, reroute, and transform AI tool traffic — and what it means for users.
#4408: What Latency Actually Buys in Trading
Why retail trading platforms advertise microsecond speeds — and why that spec doesn't matter for most traders.
#4178: DIY ISP Quality Dashboard Tools
Measure your real internet performance with self-hosted tools. No ISP speed tests, no guesswork.
#3904: Manual NAT vs Double NAT: The Measurable Reality
Tracing OPNsense packet paths and quantifying double NAT's real latency cost.
#3901: Traceroute Beyond the Basics: Path Diagnostics
Discover what traceroute actually reveals about network paths, firewalls, and multi-WAN failover.
#3875: Why Netflix Breaks on the Moon
Two and a half seconds of ping time breaks the internet. Here's why space communication is so hard.
#3808: Tracing a Packet: 3 Home Switches vs the Internet Backbone
Three home switches add 36 microseconds. Your cable modem adds 5-15 milliseconds. Let's follow a packet from phone to Google News.
#3802: What's Really in That Private Network Cable?
Virtual cables, MPLS circuits, and dark fiber — how cloud providers connect data centers behind the scenes.
#3564: Fixing Your Phone's Variable Frame Rate Video
Why your phone's video drifts out of sync, how to fix it, and whether RAW video is actually worth it.
#3158: How Consumer Drones Really Talk to Their Controllers
From DJI's OcuSync to military SATCOM and 4G LTE — how drone control links actually work and why they fail.
#2937: Why Your Phone-to-Computer Transfer Takes Forever
The cable, hub, or port you're using is probably the bottleneck. Here's how to fix it.
#2924: When Adding One Agent Breaks Everything
The math behind why your 100-agent pipeline fails 40% of the time — and what to do about it.
#2776: Where Does Your Vercel Site Actually Live?
Your Vercel site lives everywhere and nowhere. Here's what's actually happening under the hood.
#2687: When Pre-Flight Checks Help (or Hurt) Agentic AI Plugins
How to decide when a pre-flight check is worth the latency cost — and how to write good ones.
#2668: When a Flamethrower Is Overkill
Tesseract, EasyOCR, or a cloud vision model? How to build a fast, reliable label scanner for real-world conditions.
#2571: How S3 Billing Actually Works (And Why R2 Is Different)
Storage is the decoy cost. The real surprises come from request charges, egress fees, and early deletion penalties.
#2514: WebSockets vs SSE: Choosing the Right Real-Time Connection
WebSockets vs Server-Sent Events: when to use full-duplex vs one-way streaming, and why most developers pick wrong.
#2512: How Speech-to-Speech Models Eliminate the Robot Voice
Why AI voice agents sound robotic, and how natively integrated speech-to-speech models fix it.
#2511: Measuring AI API Latency Through the Black Box
How to benchmark token throughput and debug slowdowns in closed CLI tools like Claude Code using OpenTelemetry and mitmproxy.
#2472: When Guardrails Break: The Hidden Costs of AI Gateway Filtering
PII detection at the gateway layer can block legitimate invoices. Here's how guardrails actually work and where they fail.