Review Design Decisions

Review the key design decisions for how you'll implement the network and DNS layer of your infrastructure.

VPC Subnet CIDR Strategy

Decide the VPC CIDR ranges for AWS accounts

CIDR Allocations

Decide on CIDR blocks for VPCs and Subnets

Client VPN Options

Decide how to use AWS Client VPNs

Hostname Format

Decide the hostname format for service discovery

TLS Implementation

Decide on how to support TLS in your environment

IPv4 and IPv6

Decide whether to support both IPv4 and IPv6

Non-default Regions

Decide which non-default AWS regions to enable

Org Supernet CIDRs

Choose the all-encompassing CIDR for the AWS organization

Primary AWS Region

Pick the primary AWS region to use for the company

Service Discovery Domain

Decide the TLD to use for service discovery

Transit Gateways

Decide how AWS Transit Gateway will be used

Vanity (Branded) Domains

Decide the vanity domains for your environments

VPC NAT Strategy

Decide how to NAT traffic in your VPCs

VPC Traffic Isolation

Decide how network traffic is isolated with VPCs

VPC Peering Requirements

Decide how to connect VPCs in different accounts