Architecture
Overlapping CIDRs in Cross-Account Kubernetes Migrations — Why PrivateLink Resource Endpoints Change Everything
You are migrating microservices between Kubernetes clusters across AWS accounts, but the source uses /16 CIDRs that collide with corporate. The 2022 playbook (Private NAT Gateway + NLB per service) is obsolete. Here is what re:Invent 2024 gave us.