Edge Services:?

Short answer: Deploy edge services (e.g., API Gateway, NGINX, Kong) to manage routing across multiple regions or clouds. These services can handle regional failover and direct traffic to the closest healthy instance. Microservices Security

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.