AWS Transit Gateway and AWS Cloud WAN now support 1:1 NAT

AWS Transit Gateway and AWS Cloud WAN now provide managed one-to-one network address translation (NAT) directly on their attachments, through integration with Regional Private NAT Gateway. This enables customers to connect private networks that share the same IP address ranges without renumbering either network, deploying a NAT appliance, or writing return-traffic rules. Networks with overlapping Classless Inter-Domain Routing (CIDR) blocks have long been unable to communicate, a common blocker during mergers and acquisitions, when connecting partner networks over AWS Site-to-Site VPN, in mult