Server Load Balancer billing

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)	ALB billing overview ALB billing rules ALB resource plans ALB overdue payments View ALB usage details Query ALB bills and consumption details
Network Load Balancer (NLB)	NLB billing overview NLB billing rules NLB resource plans NLB overdue payments
Classic Load Balancer (CLB)	CLB billing overview Pay-as-you-go: CLB pay-as-you-go billing rules Upgrade or downgrade pay-as-you-go CLB instances Subscription: Subscription (new purchases discontinued) CLB billing FAQ

Billing comparison

The following section describes the billing for ALB, NLB, and CLB.

ALB billing

For more information about ALB resource plans, see ALB resource plans.
For pay-as-you-go ALB pricing, see ALB billing rules.

NLB billing

For more information about NLB resource plans, see NLB resource plans.
For pay-as-you-go NLB pricing, see NLB billing rules.

CLB billing

The following figure shows billing components for pay-as-you-go CLB instances. For pricing details, see Pay-as-you-go.

Beginning 00:00:00 (UTC+8), December 1, 2024, subscription CLB instances are no longer available for purchase. For more information, see End of sale for subscription CLB instances.

Subscription CLB billing components

The following figure shows billing components for subscription CLB instances. For pricing details, see Subscription (no longer available for new purchases).

The following table compares the Load Balancer Capacity Unit (LCU) pricing and definitions for ALB, NLB, and CLB.

Service	LCU unit price Unit: CNY/LCU/hour	LCU definition	References
Application Load Balancer ALB	0.049	One ALB LCU includes: 25 new connections per second 3,000 concurrent connections (sampled per minute) 1 GB of request and response data transfer per hour 1,000 rule evaluations per hour Note The number of forwarding rules, lines of AScript code, and additional certificates determine the number of rule evaluations. The free tier for each of these three metrics is 25.	Load balancer capacity unit (LCU) fee
Network Load Balancer NLB	0.037	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 request and response data transfer 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 request and response data transfer 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 request and response data transfer per hour	LCU fee
Classic Load Balancer CLB	0.049	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 request and response data transfer 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 request and response data transfer 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) request and response data transfer per hour 1,000 rule evaluations per hour Note The number of rule evaluations is determined by the number of forwarding rules. The free tier is 25.	LCU & Specification fee