Overview

Enterprise Router supports only pay-per-use billing. It is a postpaid billing mode. You pay as you go and just pay for what you use. You pay as you go and just pay for what you use. You are billed for the duration that each attachment is used and the traffic that flows from each attachment to an enterprise router. The duration is calculated by the second but billed every hour. Pay-per-use billing is a good option for scenarios where there are sudden traffic bursts, such as e-commerce promotions.

**Table 1** Billing modes
Billing Mode	Pay-per-use
Payment	Postpaid
Billing Method	Attachment duration: calculated by the second but billed by the hour Traffic: billed based on the traffic used by each attachment
Billed Items	Duration that each attachment is used Traffic that flows from each attachment to an enterprise router
Changing Specifications	-
Application Scenarios	Recommended when the resource demands are likely to fluctuate and you want more flexibility.