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Network throttling
Simulate bandwidth, latency, and packet loss to mirror real conditions.
Apply network throttling to evaluate performance under constrained or unreliable network environments.
The network throttling feature is currently available only for browser load testing.
Depending on your preferred method, select any one of the following to configure network throttling:
Network throttling
Network throttling enables you to run load tests under real-world network conditions. This helps you understand how your application behaves for users on different connection types.
Simulate common networks or define a custom network profile. Network throttling applies to all virtual users in the test.
Supported modes
The following two modes are supported for configuring network throttling:
Use the following steps to apply predefined network throttling profiles:
- On your Load Testing dashboard, scroll to the Throttle Network section.
- Choose among the predefined profiles for 3G, Slow 4G, and Fast 4G.
Follow these steps to set up custom network throttling:
- On your Load Testing dashboard, scroll to the Throttle Network section and select Custom Values.
- Input your desired values for Latency, Upload, Download, and Packet Loss.
Configuration parameters
The following table lists the available configuration parameters:
| Parameter | Type | Description | Unit | Allowed Range |
|---|---|---|---|---|
| Latency | number | Simulated network latency | ms | 0 – 1,000,000 |
| Download | number | Simulated download bandwidth | kb/s | 1 – 10,000,000 |
| Upload | number | Simulated upload bandwidth | kb/s | 1 – 10,000,000 |
| Packet Loss | number | Simulated packet loss percentage | % | 0 – 99 |
Network throttling
Network throttling enables you to run load tests under real-world network conditions. This helps you understand how your application behaves for users on different connection types.
Simulate common networks or define a custom network profile. Network throttling applies to all virtual users in the test.
Supported modes
The following two modes are supported for configuring network throttling:
Quickly simulate popular network conditions using the following built-in profiles:
- 3G
- Slow 4G
- Fast 4G
Use the following YAML configuration for predefined profiles:
Define precise network conditions by configuring individual parameters. Use the following YAML configuration for custom profiles:
Configuration parameters
The following table lists the available configuration parameters:
| Parameter | Type | Description | Unit | Allowed Range |
|---|---|---|---|---|
| Latency | number | Simulated network latency | ms | 0 – 1,000,000 |
| Download | number | Simulated download bandwidth | kb/s | 1 – 10,000,000 |
| Upload | number | Simulated upload bandwidth | kb/s | 1 – 10,000,000 |
| Packet Loss | number | Simulated packet loss percentage | % | 0 – 99 |
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