No. It is not required. ATCM supports Elastic IP addresses for customers who require
whitelisting IP addresses.
Q: How will Route 53 work with VPC?
Route 53 can assign both public and private IPs. To configure Route 53 for a private IP,
edit your Cluster Configuration and modify the "dns_manager_config"
section:
Q: Can the cluster run servers in multiple availability zones?
Yes, if the cluster is launched into a VPC defined with multiple subnets in different
availability zones. ATCM automatically distributes nodes across all VPC subnets defined in
teh clsuter configuration in a round-robin fashion.