Bandwidth Cluster

Bandwidth Cluster is a network bandwidth billing model that allows you to uniformly manage all your compute resources and optimize public network bandwidth costs by sharing a bandwidth commitment with the aggregated burstable 95th pricing model. All your compute resources may reside within a large region, which crosses several cities, or simply within only one city.

Once this service is activated, when purchasing computing resources such as bare metal instances or elastic compute instances, if you have selected the Bandwidth Cluster network pricing, these computing resources will be added in to a regional or city-based Bandwidth Cluster and share one bandwidth commitment within the same region or city. Your computing resources covered by the Bandwidth Cluster will be billed by the 95th percentile bandwidth pricing, and the 95th peak value will be added together to calculate the final 95th peak bandwidth of the Bandwidth Cluster.

This kind of network billing provides a cost-effective and easily manageable bandwidth sharing and reuse solution.

Features

• Global Coverage Cover global regions or cities to ensure network service quality and coverage.

• Shared Large Burst A significantly large burst capability to handle peak traffic.

• Cost-effective Scaling Flexibly adjustable bandwidth commitment to suit all your requirements.

• Burstable 95th Billing The 95th percentile bandwidth billing model for efficient cost management.

• Unified Traffic Management Unified management of traffic usage across different cities in the region.

Related Concepts

Bandwidth Cluster

A Bandwidth Cluster is an auto-managed public network service with the regional aggregated burstable 95th bandwidth pricing model. You are allowed to add your computing resources in to a bandwidth cluster and flexibly choose the shared bandwidth commitment, aiming at optimizing network costs.

A Bandwidth Cluster covers a region crossing several cities. See Supported Regions for details.

Burstable 95th Billing

• Usage Sampling It samples the bandwidth usage of your resources over a billing cycle. Samples, typically recorded every 5 minutes, indicate the usage at each point.

• Percentile Calculation At the end of one billing cycle, these samples are sorted from highest to lowest. and the top 5% are discarded. The highest value left is taken as the billable bandwidth.

• Predictable Costs Prevent billing surprises due to temporary surges. Ensure you are not overcharged for infrequent usage peaks. Suited for who wishing to scale their digital infrastructure while maintaining budget-friendly networking solutions.

Bandwidth Commitment

The minimum bandwidth usage that you commit to use every month. The higher the usage, the lower the unit price. If you haven't use the committed amount, you will still be charged by the commitment you have purchased. You can upgrade or downgrade the commitment any time as you want, and the scheduled change will be valid at the 1st of next month.

Overages

The actual usage beyond the bandwidth commitment. The overages will be charged additionally per Mbps. You are recommended to purchased a proper amount of bandwidth commitment to reduce extra overages charge.

Burst Capability

Apart from the commitment, you also have the burst capability to temporarily use a certain times the commitment (varied from different regions) to cope with traffic peaks. Please note that the overages beyond commitment will be charged without bandwidth throttling.

Billing Details

Billing	Description
Billing method	Pay-as-you-go, including commitment and overage bandwidth.
Billing cycle	By month, calculated at the end of the month and billed at the 1st of the following month.
Billable items	Bandwidth commitment Overage bandwidth, that is the 95th peak bandwidth of all the computing resources in all cities of the region or in one city.
Billing rules	Commitment charge = (Commitment/30 days) × actual used days × Commitment price Overages charge = (Actual used 95th peak bandwidth - commitment) × Overages price × actual used days Total charge = Commitment charge + Overages charge

Billing Example 1

If the bandwidth commitment is changed during the month, the 95th percentile bandwidth usage should be calculated separately for the periods before and after the change. Charges should then be calculated for each period based on the respective committed bandwidth rates and overage rates, and combined to determine the total monthly fee.

Scenario Description

• On March 21, the user changed the original committed bandwidth from 100 Mbps to 500 Mbps.

• By the end of the month, the 95th percentile bandwidth usage was 200 Mbps for the first 20 days and 600 Mbps for the last 10 days.

In this situation, 100 Mbps Commitment price = $300/month, 500 Mbps Commitment price = $600/month; Overages price = $1.50/Mbps/month.

Billing Process (Based on a 30-day month)

• Billing from March 1 to March 20 (first 20 days)

  1. Commitment charge = $300/30 × 20= $200.00

  2. Overages charge = [(200 Mbps - 100 Mbps) × $1.50/Mbps]/30 × 20 = $100.00

  3. Total charge = Commitment charge + Overages charge = $200.00 + $100.00 = $300.00

• Billing from March 21 to March 31 (last 10 days)

  1. Commitment charge = $600/30 × 10= $200.00

  2. Overages charge = [(600 Mbps - 500 Mbps) × $1.50/Mbps]/30 × 10 = $50.00

  3. Total charge = Commitment charge + Overages charge = $200.00 + $50.00 = $250.00

• Monthly billing (total 30 days)

  Total charge = First 20 days ($300.00) + Last 10 days ($250.00) = $550.00

Billing Example 2

Scenario Description

• On March 15, the user activated a regional bandwidth cluster (covering cities of A and B) with the commitment of 200 Mbps.

• By the end of the month, the 95th peak bandwidth of A city reached 120 Mbps; the 95th peak bandwidth of B city reached 150 Mbps.

In this situation, 200 Mbps Commitment price = $400/month; Overages price = $1.50/Mbps/month.

Billing Process

1. Commitment charge = $400/30 × 16= $213.33

2. Overages charge = (120 Mbps + 150 Mbps - 200 Mbps) × $1.50/Mbps × 16 = $1680.00

3. Total charge = Commitment charge + Overages charge = $213.33 + $1680.00 = $1893.33

Supported Resources

Compute resources, including bare metal, virtual machine and elastic compute services, with pay-as-you-go pricing model.