Blogs
Latency and Effects on TCP Performance
Understanding Bandwidth Delay Product and Long Fat Networks: how RTT and TCP receive window size limit per-thread throughput, why download managers use multiple connections, and how TCP window auto-scaling optimizes performance.virtio NIC on OpenBSD under KVM
Fixing intermittent OpenBSD vio(4) network dropouts under KVM: disabling RingEventIdx via config -ef /bsd kernel flag adjustment resolves interface connectivity issues requiring periodic ifconfig cycling.Using ULA and NAT66
Implementing IPv6 Unique Local Addresses (RFC4193) with OpenBSD NAT66: generating fd00::/8 ULA prefixes, translating to public IPs, and workarounds for single /64 provider limitations or private VPS networks.ASN Growth in Manitoba
Tracking dramatic Manitoba ASN growth in 2013-2014: IXP launches (MBIX/WpgIX) drive half of 60+ ASNs to peer locally, exchanging ~1 Gbps traffic and improving rural ISP access to universities over major providers.Sleep Talking
Troubleshooting Intel I217-LM NIC bug causing 3300 pps IPv6 multicast storms during S1 sleep: using tcpdump/Wireshark to identify MLDv2 listener reports flooding network, resolved with driver v19.5 update.