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networking
86 postsNetkit: Closing the Linux Container Networking Performance Gap
How Cilium's netkit devices and bpf_redirect_peer eliminate backlog queue overhead to match container network performance to bare host speeds.
Beeline moves Layer 7 service mesh policies into eBPF
Beeline enforces 89% of service mesh L7 policies directly in eBPF, cutting request latency up to 6x versus traditional proxy-based enforcement.
How AI Pinpointed the Root Cause of a Multi-Region K8s Outage
How Trendyol used an LLM to trace a multi-region Kubernetes outage to a systemd upgrade bug in under an hour, sifting 200MB of logs.
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.comeBPF and TCX bring line-rate network visibility to hostile CI jobs
Blacksmith explains how eBPF programs attached via TCX and a host-side DNS proxy deliver line-rate network observability for untrusted CI VMs.
Monocoque: A Pure-Rust ZMTP 3.1 (ZeroMQ) Messaging Library
Monocoque is a pure-Rust ZMTP 3.1 ZeroMQ library with io_uring, tokio, and smol backends, beating libzmq on throughput and latency in benchmarks.
monocoque 0.3.0: pure-Rust ZeroMQ over io_uring, tokio, smol
monocoque 0.3.0 brings pure-Rust ZeroMQ (ZMTP 3.1) with a compio 0.19/io_uring upgrade, SO_REUSEPORT, zero-alloc hot path, and CI-enforced performance and security guarantees.
Telegram's Hidden Data Centers: Why DC3 Users Vanished
An MTProto-level investigation into why Telegram's DC3 data center appears empty and how DC-detection bots got it wrong.
Differential Testing Exposes Native vs Generic XDP Behavior Gaps
An open-source differential harness compares native vs generic XDP frame bytes and verdicts, with a reproducible virtio/veth baseline on Linux 6.8.
4 self-hosting failures that quietly report success
Four silent self-hosting failures — 200 OK pages, false healthchecks, empty backups, vanished WoL packets — and how to actually catch them.
From 1 to 33 Anycast Sites at One Cloud Provider: A Staircase, Not a Curve
Measurement of 33 anycast sites within a cloud provider shows latency changes. Insights are valuable for engineers optimizing configurations.