This topic describes how to purchase a bandwidth plan. To allow network instances in different regions to communicate with each other, you must purchase a bandwidth plan and create cross-region connections. If the network instances to be connected are deployed in the same region, you do not need to purchase a bandwidth plan.

Background information

Configurations of Cloud Enterprise Network (CEN) bandwidth plans include the maximum bandwidth and areas to be connected. You must specify the areas to be connected when you purchase a bandwidth plan. An area is a collection of regions. Each area contains one or more Alibaba Cloud regions.
The following table describes the relationship between regions and areas.
Area Region
Mainland China China (Qingdao), China (Beijing), China (Zhangjiakou), China (Hohhot), China (Ulanqab), China (Shenzhen), China (Heyuan), China (Hangzhou), China (Shanghai), and China (Chengdu)
North America US (Silicon Valley) and US (Virginia)
Asia Pacific China (Hong Kong), Singapore (Singapore), Malaysia (Kuala Lumpur), Japan (Tokyo), Indonesia (Jakarta), and India (Mumbai)
Europe Germany (Frankfurt) and UK (London)
Australia Australia (Sydney)

Procedure

  1. Log on to the CEN console.
  2. On the Instances page of the CEN console, find the CEN instance that you want to manage and click its ID.
  3. On the CEN details page, click the Bandwidth Plans tab and click Purchase Bandwidth Plan(Subscription) or Purchase Bandwidth Plan(Pay-As-You-Go).
    Note Pay-as-you-go bandwidth plans are available only for testing purposes. To purchase pay-as-you-go bandwidth plans,submit an application.
  4. Set the following parameters to configure the bandwidth plan, click Buy Now, and then complete the payment.
    Parameter Description
    CEN Select the CEN instance for which you want to purchase a bandwidth plan.
    Area-A Select an area where the network instance that you want to connect is deployed.
    Note You cannot modify the area after the bandwidth plan is purchased.
    Area-B Select the other area where the other network instance that you want to connect is deployed.
    Note You cannot modify the area after the bandwidth plan is purchased.
    Billing Method Displays the billing method of the bandwidth plan.
    Bandwidth Select the maximum bandwidth of the bandwidth plan based on your business requirements. Unit: Mbit/s.
    Name Enter a name for the bandwidth plan.
    Duration Specify a duration for the subscription bandwidth plan.

    Select Auto-renewal to enable auto renewal for the subscription bandwidth plan.

    Note You are not required to specify a duration for a pay-as-you-go bandwidth plan.
    Note You cannot manually delete bandwidth plans. To delete a bandwidth plan,submit a ticket.