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networking
68 postsYour Hugging Face download isn't stuck — you're being rate-limited
Learn about rate limiting in Hugging Face downloads and how to resolve it.
When logs stayed silent but metrics caught the event
A memory spike in a network lab reveals why gNMI reads leave no log trace, and how time-series metrics caught what logs never recorded.
Building a Modbus Proxy That Never Silently Serves Stale Data
A deep dive into hardening a self-built Modbus caching proxy for Huawei SDongle inverters against night-time disconnects, hanging reads and silent stale data.
CommitBrief — AI code reviews, right in your terminal
A provider-agnostic, local-first CLI that reviews your staged changes, a historic range, or a whole GitHub pull request. Zero telemetry, no server. Free and open source.
commitbrief.comRust WebRTC SFU moves to thread-per-core: 70ms to 10ms latency
PulseBeam migrated its Rust WebRTC SFU from Tokio's work-stealing scheduler to a thread-per-core design, cutting P99.99 latency from 70ms to 10ms and boosting capacity 25%.
Why Vercel Apps Fail to Load on Certain Mobile Carriers
Vercel-hosted sites hang at the TLS handshake on certain mobile carriers due to DPI firewall rules. Learn the root cause and how a Cloudflare proxy fixes it.
Fitz Adds Built-in HTTP Client: Zero Deps, Native Async
Fitz turns HTTP client calls (get/post/put/delete) into language builtins: zero deps, native async, bit-for-bit interpreter/binary parity.
OpenWrt One: An Official Open Hardware Router
OpenWrt One is a MediaTek Filogic 820-based, WiFi 6 open hardware router with PoE, M.2 SSD support and multi-layer NAND/NOR recovery options.
Rustnet: Per-process network monitoring with deep packet inspection
Rustnet enables real-time per-process network monitoring and deep packet inspection for enhanced visibility into connections.
AF_XDP Implementation in C++ and DPDK Benchmark Comparison
I developed a C++ library for AF_XDP and DPDK backends. Learn about performance benchmarks and findings.
How to Build a Mesh VPN Without WireGuard
Details on building a mesh VPN using iroh instead of WireGuard. How I overcame challenges like NAT traversal and peer discovery.