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    Server Load Balancer:Server Load Balancer billing

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    Server Load Balancer:Server Load Balancer billing

    Last Updated:Jun 03, 2026

    Each Server Load Balancer sub-product has its own billing model. Use the index below to find billing details for ALB, NLB, or CLB.

    Billing documents by sub-product

    Sub-product

    Billing documents

    Application Load Balancer (ALB)

    Network Load Balancer (NLB)

    Classic Load Balancer (CLB)

    Billing comparison

    The following section describes the billing for Application Load Balancer (ALB), Network Load Balancer (NLB), and Classic Load Balancer (CLB). You can review the billing method and components for each product.

    ALB billing

    image

    • For more information about ALB resource plans, see ALB resource plans.

    • For more information about the pricing and billing of pay-as-you-go ALB, see Billing rules.

    NLB billing

    image

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

    CLB billing

    The following figure shows the billing components for a pay-as-you-go CLB instance. For more information about the pricing and billing of pay-as-you-go CLB, see Pay-as-you-go.

    image

    The following table compares the LCU pricing and definitions for ALB, NLB, and CLB.

    Product

    LCU price

    Unit: USD/LCU/hour

    LCU definition

    Documentation

    Application Load Balancer (ALB)

    0.007

    One ALB LCU includes:

    • 25 new connections per second

    • 3,000 concurrent connections (sampled per minute)

    • 1 GB of traffic data (requests and responses) processed per hour

    • 1,000 rules evaluated per hour

      Note

      Metrics that affect rule evaluations include the number of forwarding rules, lines in AScript programmable scripts, and additional certificates. The free quota for each metric is 25.

    LCU fee

    Network Load Balancer (NLB)

    0.005

    For TCP traffic, one NLB LCU includes:

    • 800 new TCP connections per second

    • 100,000 concurrent TCP connections (sampled per minute)

    • 1 GB of TCP traffic data (requests and responses) processed per hour

    For UDP traffic, one NLB LCU includes:

    • 400 new UDP connections per second

    • 50,000 concurrent UDP connections (sampled per minute)

    • 1 GB of UDP traffic data (requests and responses) processed per hour

    For TCPSSL traffic, one NLB LCU includes:

    • 50 new TCPSSL connections per second

    • 3,000 concurrent TCPSSL connections (sampled per minute)

    • 1 GB of TCPSSL traffic data (requests and responses) processed per hour

    LCU fee

    Classic Load Balancer (CLB)

    0.007

    For TCP traffic, one CLB LCU includes:

    • 800 new TCP connections per second

    • 100,000 concurrent TCP connections (sampled per minute)

    • 1 GB of TCP traffic data (requests and responses) processed per hour

    For UDP traffic, one CLB LCU includes:

    • 400 new UDP connections per second

    • 50,000 concurrent UDP connections (sampled per minute)

    • 1 GB of UDP traffic data (requests and responses) processed per hour

    For HTTP(S) traffic, one CLB LCU includes:

    • 25 new HTTP(S) connections per second

    • 3,000 concurrent HTTP(S) connections (sampled per minute)

    • 1 GB of HTTP(S) traffic data (requests and responses) processed per hour

    • 1,000 rules evaluated per hour

      Note

      The number of rule evaluations is determined by the number of forwarding rules, which has a free quota of 25.

    Specification fee & LCU fee