Which solution will meet these requirements with the LEAST operational overhead?
Create a Network Load Balancer in the public subnet of the application’s VPC to route the traffic to the appliance for packet inspection.
Create an Application Load Balancer in the public subnet of the application’s VPC to route the traffic to the appliance for packet inspection.
Deploy a transit gateway in the inspection VPConfigure route tables to route the incoming packets through the transit gateway.
Deploy a Gateway Load Balancer in the inspection VPC. Create a Gateway Load Balancer endpoint to receive the incoming packets and forward the packets to the appliance.
Explanations:
A Network Load Balancer would not efficiently route traffic to a third-party virtual firewall for packet inspection, as it does not integrate seamlessly with firewalls and lacks the necessary features for traffic inspection.
An Application Load Balancer is designed for HTTP/S traffic and would not be suitable for routing all types of traffic to a virtual firewall for inspection, which typically requires Layer 3 and Layer 4 support.
Deploying a transit gateway might enable routing of traffic but adds unnecessary complexity and operational overhead, making it less optimal for this use case compared to a more direct approach with the Gateway Load Balancer.
A Gateway Load Balancer is specifically designed to transparently route traffic through a virtual appliance for inspection. It integrates well with other AWS services and minimizes operational overhead, fulfilling t