On the Alibaba Cloud international site, students can access Alibaba Cloud services, including Elastic Compute Service (ECS), with specific bandwidth limitations based on the selected billing method. There are two primary billing methods for network usage:
- Pay-by-Traffic: This method is suited for variable bandwidth needs and charges based on the actual traffic volume. It includes a cap on the maximum public bandwidth to avoid excessive fees during traffic bursts. Typically, if your ECS instances communicate frequently with external networks and require long-term bandwidth usage, or if the bandwidth utilization is above 10%, it’s advisable to use this method.
- Pay-by-Bandwidth: This method provides stable bandwidth and is charged based on a specific bandwidth value. It’s recommended for scenarios requiring a consistent amount of bandwidth, particularly when public bandwidth utilization is relatively high.
Additionally, there are bandwidth thresholds for ECS instances, influenced by the instance type and network settings. For instance, the combined maximum bandwidths of all ECS instances using the pay-by-traffic method in a single region cannot exceed 5 Gbit/s, and for those using the pay-by-bandwidth method, it cannot exceed 50 Gbit/s.
For more detailed considerations on choosing the right bandwidth and to understand how these limits might affect your student projects on Alibaba Cloud, it’s crucial to review the specific requirements of your applications and expected traffic. For more precise calculations and selections, you can utilize tools and resources available on the Alibaba Cloud platform.
For more information on ECS and bandwidth management, you can visit Alibaba Cloud’s Elastic Compute Service documentation.
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