Even with optimized queries, fast APIs, and a CDN, your app may still be slow. Network protocols like TCP congestion control and BGP routing introduce latency beyond your code.
$ whoami
anurag vishwakarma
devops & sre · system design · networks · homelab · ai · always shipping
Layer 4 vs Layer 7 Load Balancing Explained
Layer 4 uses TCP/IP for simple, fast routing offering speed and efficiency, while Layer 7 enables smart routing with HTTP content inspection, providing intelligent routing and caching capabilities.
What is Kernel TLS (kTLS) and Why Offload TLS to the Kernel or NIC?
Kernel TLS (KTLS) moves TLS encryption from user space into the Linux kernel or even the NIC. Offloading reduces CPU overhead, enables zero-copy I/O, and boosts performance for high-throughput applications.
What Makes Bootable Containers Different from Traditional Containers?
We all know containers run on top of an operating system. But what if the container itself could be the operating system?
What’s Inside My Home Lab?
What’s actually running in my home lab and how I built it all for under $70. From K3s clusters on VMs to self-hosted services with proper HTTPS - a complete walkthrough of my personal infrastructure.