Month: March 2026

Fixing Asymmetric Routing in AWS: Understanding Transit Gateway Appliance Mode

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 […]

Stop Paying for MPLS: Building a Global Private Network with AWS SiteLink

For many years, companies have used MPLS networks to connect their offices and datacenters. MPLS can provide stable connectivity, but it also has some major downsides: Today, many companies already have connections to the cloud using site-to-site VPNs. A feature of AWS Site-to-Site VPN called SiteLink allows organizations to use the AWS global network as […]