How To Make A Serverside Hub Part 2/2 Link

For a hub, Redis is often the gold standard. It’s an in-memory data store, meaning it’s incredibly fast for real-time updates. If you need long-term storage (like user profiles), pair it with a relational database like PostgreSQL .

Since the hub is the central point of contact, it is also the primary target for attacks.

If you are using WebSockets, ensure your load balancer supports "sticky sessions" so a user stays connected to the same hub instance during their session. Conclusion How To Make A Serverside Hub Part 2/2

Every request passing through the hub must carry a JSON Web Token (JWT). The hub should verify this token before passing the request to internal services.

Building a server-side hub is about moving from "direct communication" to "orchestrated communication." By centralizing your logic, you make your entire ecosystem easier to monitor, secure, and scale. For a hub, Redis is often the gold standard

Build a mechanism where the hub attempts to re-send failed requests 3 times before giving up.

Start by implementing a simple Redis cache to see how much it improves your hub’s response times! Since the hub is the central point of

When Server A receives an update, it sends a message to the Hub. The Hub then broadcasts that message only to the specific clients who need to see it, reducing unnecessary bandwidth. 3. Security: The "Gatekeeper" Role