Vercel @vercel.com · Apr 17 Routing on Vercel is defined by your framework and backed by an immutable, deployment-based model. Combined with instant global domain propagation, this unlocks capabilities that typically require complex enterprise infrastructure and teams. Let’s break it down. ↓
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Each domain on Vercel is an alias—a pointer to a specific deployment in the routing layer that directs traffic to the correct version globally. Aliases update instantly across the network, enabling zero-downtime deploys as well as Instant Rollbacks, Skew Protection, and more.