Elastic Bandwidth
Description
If the actual bandwidth used by a service exceeds the service bandwidth, rate limiting and packet loss may occur. Elastic bandwidth can effectively prevent rate limiting and packet loss. Elastic bandwidth is the maximum available bandwidth (postpaid) for service traffic.
The elastic bandwidth of AAD is a post-paid, value-added item. Total available bandwidth = Service bandwidth + Elastic bandwidth
Billing Rules
The elastic bandwidth of AAD supports monthly 95th percentile billing. It can be scaled to up to 10,000 Mbit/s.
If your actual bandwidth exceeds the service bandwidth plus the elastic bandwidth, rate limiting and packet loss may occur. Select an elastic bandwidth based on your traffic volume.
The elastic bandwidth fees in different scenarios are described as follows.
| Service Bandwidth | Elastic Bandwidth | Actual Service Bandwidth | Elastic Bandwidth Fee | Description |
|---|---|---|---|---|
| 100 Mbit/s | Disabled | 120 Mbit/s | No elastic bandwidth fees will be generated. | If bandwidth exceeds your configured quota, traffic may be limited and packet loss may occur. |
| 100 Mbit/s | Enabled | 100 Mbit/s | No elastic bandwidth fees will be generated. | If the actual service bandwidth is less than or equal to the service bandwidth, no elastic service bandwidth fee is generated. |
| 100 Mbit/s | Enabled | 120 Mbit/s | Elastic bandwidth fees will be generated. | If the actual bandwidth is higher than the service bandwidth, elastic service bandwidth fees will be generated. |
FAQs
How Is Elastic Bandwidth Charged?
- Monthly 95th percentile billing
The bandwidth is sampled every 5 minutes in a calendar month. The sampling vertices are sorted in descending order of the peak value, the maximum value of 5% is removed, and the maximum value among the remaining values is used as the billable bandwidth. Figure 1 shows how to calculate the monthly 95th percentile bandwidth for 30 days.
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