Dia Insights

Notes on modern kernel networking, eBPF telemetry, and high-performance cloud runtime.

Benchmarking TCP BBRv3 vs CUBIC on 10Gbps Virtualized Datapath

Published on October 24, 2026 • 7 min read • Networking

Analyzing congestion window dynamics and packet pacing behavior across transpacific virtual circuits. We examine real-world throughput stability and packet loss recovery metrics under varied bufferbloat conditions.

Deterministic Memory Allocators in Modern Go Runtimes

Published on September 18, 2026 • 5 min read • Systems

A deep dive into Go 1.25's slab allocator modifications, analyzing cache locality optimizations and GC pause distributions under heavy concurrent network I/O workloads.

Zero-Trust Microsegmentation with nftables and WireGuard

Published on August 12, 2026 • 10 min read • Security

Practical architecture guidelines for hardening cloud instance boundaries, leveraging kernel-native netfilter sets and dynamic peer authentication.