Architectural deep-dives into scalable cloud systems, resilient infrastructure, edge security, and disciplined software craftsmanship by Leow Kah Man.https://www.leowkahman.com/en-ushttps://www.leowkahman.com/rebooting-the-publication/https://www.leowkahman.com/rebooting-the-publication/Why I stepped away from technical blogging, how AI-augmented workflows solved the drafting bottleneck, and what to expect as I document modern engineering transformation.Sun, 08 Nov 2026 00:00:00 GMTEngineering LeadershipEngineering LeadershipTransformationAI-FirstSoftware CraftsmanshipLeow Kah Manhttps://www.leowkahman.com/speedtest-openwrt-with-flow-offloading/https://www.leowkahman.com/speedtest-openwrt-with-flow-offloading/Overcoming kernel netfilter forwarding bottlenecks to achieve line-rate gigabit throughput on resource-constrained embedded router hardware.Sat, 01 Feb 2020 00:00:00 GMTNetworking & KernelLinux KernelNetworkingOpenWRTPerformanceHomelabLeow Kah Manhttps://www.leowkahman.com/reduce-internet-lag-on-openwrt/https://www.leowkahman.com/reduce-internet-lag-on-openwrt/A deep dive into mitigating queue latency under saturation using modern Smart Queue Management algorithms (CAKE and fq_codel) in embedded Linux.Sat, 11 Aug 2018 00:00:00 GMTNetworking & KernelNetworkingBufferbloatQoSLinuxOpenWRTLeow Kah Manhttps://www.leowkahman.com/writing-readable-linq-code-in-csharp/https://www.leowkahman.com/writing-readable-linq-code-in-csharp/Software engineering standards for clean code: managing cognitive load, avoiding monolithic lambda chains, and balancing declarative functional programming with long-term codebase maintainability.Mon, 23 Apr 2018 00:00:00 GMTSoftware ArchitectureSoftware DesignClean CodeC#.NETFunctional ProgrammingLeow Kah Manhttps://www.leowkahman.com/byod-ci-cd-build-machine-to-run-pipelines-using-docker/https://www.leowkahman.com/byod-ci-cd-build-machine-to-run-pipelines-using-docker/Designing cost-effective, secure, and isolated hybrid build infrastructure using Docker daemon sandboxing, local image layer caching, and dynamic job execution.Mon, 02 Oct 2017 00:00:00 GMTPlatform EngineeringDevOpsDockerCI/CDPlatform EngineeringInfrastructureLeow Kah Manhttps://www.leowkahman.com/conditional-multiple-openvpn-routing-hostname-ip/https://www.leowkahman.com/conditional-multiple-openvpn-routing-hostname-ip/Architecting multi-tunnel WAN split routing using Linux kernel routing tables, connection packet marking, and dynamic DNS-driven IP sets.Sun, 19 Jun 2016 00:00:00 GMTInfrastructure & ProtocolsNetworkingRoutingLinuxSecurityOpenVPNLeow Kah Manhttps://www.leowkahman.com/zero-trust-ingress-origin-cloaking-mtls/https://www.leowkahman.com/zero-trust-ingress-origin-cloaking-mtls/Defence-in-depth architecture before managed tunnels: protecting origin servers against direct-to-IP bypass attacks using netfilter firewall whitelisting and mutual TLS authentication.Sun, 14 Feb 2016 00:00:00 GMTSecurity ArchitectureSecurityZero TrustFirewallCloudflareTLSDevSecOpsLeow Kah Man