the VPC and add the subnets, security groups, internet gateway,
and a route table. You will also create Elastic Network Interfaces
(ENIs) and allocate Elastic IP Addresses for some instances in the
VPC. Duplicate this set up in another Availability Zone for redundancy.
and configure four VM-Series firewalls in each Availability Zone—a
pair of firewalls to secure the web farm, one to secure the RDS,
and one firewall for outbound access from the VPC. The firewall
that regulates outbound access to the internet also secures all
the management traffic to and from the firewalls, servers, and services
in the VPC. This use case focuses primarily on how to set up the
firewalls for securing your internet-facing multi-tiered application(s).
It also briefly covers the process of deploying and configuring
the NetScaler VPX to load balance traffic across the VM-Series firewalls.