NAT Gateway

Definition

  • A NAT Gateway allows resources in a private network to connect to the internet or other networks without exposing them to incoming traffic.

Functions

  • Excellent Performance: An extra-large NAT gateway can handle millions of concurrent connections and supports up to 20 Gbit/s of bandwidth to each destination address and port

Application Scenarios

  • Safer Internet Access: For servers in a VPC requiring Internet access, use SNAT supported by public NAT gateways to let the servers share an EIP while hiding their own IP addresses
  • You can configure multiple EIPs in one SNAT rule to increase availability