21CTO

Jan 4, 2016 · Operations

Designing Scalable Website Architecture: 5 Essential Layers Explained

This article outlines a five‑layer website architecture—web cache, load balancer, web server, file server, and database—illustrated with high‑traffic e‑commerce, ad, and CDN portals, and provides practical recommendations on software choices, high‑availability setups, and performance optimization for each layer.