What is the best practice for IP addressing in VPC?

Question

Christy Selva Kumar · Accepted Answer

The best practice is to plan non-overlapping private CIDR space centrally, size subnets for current plus future capacity, and manage allocations with Amazon VPC IPAM. This prevents routing conflicts and avoids painful re-IPing as your AWS footprint grows

Christy Selva Kumar · Answer

Implement VPC high availability by deploying resources across at least two Availability Zones (AZs), using load balancers, Auto Scaling, redundant NAT gateways, and resilient connectivity. Avoid making any single AZ, subnet, NAT gateway, or network appliance a mandatory dependency

What is the best practice for IP addressing in VPC?

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