Framework-Defined Infrastructure
Life of a Vercel request: Application-aware routing

Life of a Vercel request: Application-aware routing

4/15/2025

What this post added

This post details how Vercel's application-aware routing, powered by framework-defined infrastructure, optimizes request handling. It explains the concept of domains as aliases to deployments, the de-aliasing process for request fulfillment, and how the WAF is made application-aware. It also highlights the benefits of instant global propagation for rollouts and rollbacks due to the software-layer handling of routing.

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