NAT gateways are enterprise-class gateways that provide Source Network Address Translation (SNAT) and Destination Network Address Translation (DNAT) services for Internet access. You are charged for using NAT gateways. This topic describes the billing of NAT gateways.
|Billing method of NAT gateways||Description||Reference|
|Subscription||Subscription is a billing method that requires you to pay a subscription fee before you can use the service. Subscription NAT gateways are cost-effective. Discounts are offered on subscription NAT gateways.||Subscription|
|Pay-as-you-go||The pay-as-you-go billing method requires you to pay for resources based on the actual usage. If you want to create or delete NAT gateways based on your needs, you can purchase pay-as-you-go NAT gateways instead of subscription NAT gateways.||Pay-as-you-go|
Billing methods of EIPs
After you create a NAT gateway, you must associate an EIP with the NAT gateway. This enables the NAT gateway to access the Internet. You are charged for the EIPs that are associated with NAT gateways. For more information, see Subscription and Pay-as-you-go.
If an EIP is associated with an EIP bandwidth plan, the predefined billing method of the EIP becomes invalid. The NAT gateway with which the EIP is associated is charged an Internet data transfer fee based on the billing method of the EIP bandwidth plan. For more information, see Billing.