Many organizations deploy network security appliances in AWS to inspect traffic between networks. These appliances can include: However, when traffic flows through these appliances in AWS, a common problem appears: asymmetric routing. This means the traffic goes through the inspection appliance in one direction but returns through a different path. This can break stateful inspection […]
Building highly available applications in AWS is often reduced to one idea: use multiple Availability Zones. That’s a good start, but it’s not the full story. Multi-AZ protects you from infrastructure failures inside a region. It does not protect you from a regional outage. And while those are rare, they do happen and when they […]
When most teams start building in AWS, networking feels simple. You create a VPC, add a few subnets, maybe a load balancer, and everything works. At this stage, the architecture is small and networking decisions rarely feel critical. The real problems appear later. As organizations grow, they add more services, more environments, and more teams. […]