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Server Load Balancer:SLB billing

Last Updated:Dec 11, 2023

Different types of Server Load Balancer (SLB) instances have different billing rules. This topic describes the billing rules for Application Load Balancer (ALB), Classic Load Balancer (CLB), and Network Load Balancer (NLB) instances.

Billing of different types of SLB instances

Service

References

ALB

NLB

CLB

Comparison of billing rules

The following section describes the billing methods and billable items of ALB, NLB, and CLB. You can view and learn about the billing methods and billable items of each service.

ALB

ALB计费组成

NLB

NLB计费组成

For more information about the pricing rules of pay-as-you-go NLB instances, see NLB billing rules.

CLB

CLB计费说明

For more information about the pricing rules of pay-as-you-go CLB instances, see Pay-as-you-go.

The following table compares the pricing rules and usage calculations of Load Balancer Capacity Units (LCUs) of ALB, NLB, and CLB.

Sub-service

LCU unit price

(USD/LCU/hour)

LCU definition

References

ALB

0.007

An ALB LCU provides the following resources:

  • 25 new connections per second

  • 3,000 concurrent connections (sampled every minute)

  • 1 GB of data transfer processed per hour

  • 1,000 rules processed per hour

    Note

    The rules include forwarding rules, lines of code in AScript, and additional certificates. These items have the same free-of-charge quota, which is 25.

LCU fees

NLB

0.005

For TCP data transfer, an NLB LCU provides the following resources:

  • 800 new connections per second

  • 100,000 concurrent connections (sampled every minute)

  • 1 GB of data transfer processed per hour

For UDP data transfer, an NLB LCU provides the following resources:

  • 400 new connections per second

  • 50,000 concurrent connections (sampled every minute)

  • 1 GB of data transfer processed per hour

For SSL over TCP data transfer, an NLB LCU provides the following resources:

  • 50 new connections per second

  • 3,000 concurrent connections (sampled every minute)

  • 1 GB of data transfer processed per hour

LCU fees

CLB

0.007

For TCP data transfer, a CLB LCU provides the following resources:

  • 800 new connections per second

  • 100,000 concurrent connections (sampled every minute)

  • 1 GB of data transfer processed per hour

For UDP data transfer, a CLB LCU provides the following resources:

  • 400 new connections per second

  • 50,000 concurrent connections (sampled every minute)

  • 1 GB of data transfer processed per hour

For HTTP or HTTPS data transfer, a CLB LCU provides the following resources:

  • 25 new connections per second

  • 3,000 concurrent connections (sampled every minute)

  • 1 GB of data transfer processed per hour

  • 1,000 rules processed per hour

    Note

    The rules are forwarding rules. The free-of-charge quota of forwarding rules is 25.

Specification fee and LCU fee