On the Northbound Hub, where http/https based connections are entering from the Internet, the gateways are implemented in an elastic manner where the number of gateways is dynamic and is based on the load that flows through the gateways.

In the event of an AWS Cluster failover issue, you can check the aws_had.elg log file located in
$FWDIR/log/. This log file contains useful information related to the High Availability Daemon (HAD) in a CloudGuard cluster, which is responsible for managing cluster failovers and state synchronization. It provides detailed insights into any issues occurring during the failover process.

A "greenfield" environment refers to a completely new setup, without any reliance on previous infrastructure or legacy systems. In this case, the customer is stating that the AWS cloud environment will be entirely new, built from scratch with fresh cloud infrastructure, resources, and applications.

The Reliability pillar encompasses the ability of a workload to perform its intended function correctly and consistently when it's expected to. This includes the ability to operate and test the workload through its total lifecycle. You can find prescriptive guidance on implementation in the Reliability Pillar whitepaper.