This article explains how Alibaba Cloud NAT Gateway uses SNAT and DNAT to mediate traffic between private VPC workloads and the public internet, and the decisions that shape a sound deployment.
This article explains how to make ECS connect to the Internet with SNAT/DNAT.
Alibaba Cloud Network Address Translation (NAT) Gateway is a public Internet gateway for flexible usage of network resources and access to VPC.
This article explains how you can configure multiple private IPs on a single ENI and map multiple EIPs to a private IP using NAT Gateway's DNAT configuration.