Stateless Authentication Guide: JWTs and Tradeoffs
How stateless auth works, why you can't revoke JWTs without extra infrastructure, and when stateless auth is the right choice.
Published:
Tags: security, authentication, jwt
Stateless Authentication: Scaling Without Session Storage Traditional server-side sessions require every server in your cluster to access the same session store. Either you use sticky sessions (routing each user to the same server) or you deploy a shared database like Redis. Both approaches add complexity. Stateless authentication — primarily via JWTs — eliminates this requirement entirely, and understanding how it works explains both its power and its limits. The Problem With Stateful Sessions at Scale Imagine a web application running three application servers behind a load balancer. A user logs in on Server A, which creates a session record in Server A's local memory. The next request gets routed to Server B. Server B has no record of the session. The user appears logged out. Two…
All articles · theproductguy.in