https://klee1611.github.io/categories/system-design.htmlRecent content in System Design on Kourtney's PortfolioHugo -- gohugo.ioenkourtneylee1611@gmail.com (Kuo-Hsiu (Kourtney) Lee)kourtneylee1611@gmail.com (Kuo-Hsiu (Kourtney) Lee)© 2026 Kuo-Hsiu (Kourtney) LeeSat, 13 Jun 2026 14:05:33 -0400https://klee1611.github.io/posts/common-components-system-design.htmlSat, 13 Jun 2026 14:05:33 -0400kourtneylee1611@gmail.com (Kuo-Hsiu (Kourtney) Lee)https://klee1611.github.io/posts/common-components-system-design.html<p>Designing scalable and reliable systems requires understanding a core set of reusable building blocks. This article covers the most common components — from load balancers and databases to caches and CDNs — and the key trade-offs to consider when using them.</p> <h3 class="relative group">Load Balancer with Multiple Web Servers and Auto Scaling <div id="load-balancer-with-multiple-web-servers-and-auto-scaling" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#load-balancer-with-multiple-web-servers-and-auto-scaling" aria-label="Anchor">#</a> </span> </h3> <p>A load balancer distributes incoming traffic across multiple web servers, providing a single public entry point to the system.</p>