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Diameter Credit-Control Application Load Testing with K6

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Overview

[!NOTE]

The Diameter Credit-Control Application serves as a foundational framework for real-time charging, facilitating communication between gateways/control-points and the back-end account/balance systems. This is particularly crucial for the integration with an Online Charging System (e.g. Cgrates), enabling seamless and efficient management of end-user services.

This project provides a K6 script tailored for load testing Diameter Credit-Control Applications, as specified in IETF standards RFC 4006 and RFC 8506.
The script is designed to emulate real-world credit-control scenarios for a variety of end-user services, ensuring the resilience and scalability of Diameter-based systems under significant loads.
Specifically, it simulates the interactions within a LTE core network (e.g. Open5gs) and a IP multimedia subsystem (e.g. Kamailio) packets, closely mimicking the behavior of real-world ISP providers charging systems.
This simulation is crucial for validating the performance and reliability of Diameter Credit-Control Applications under various load conditions, providing insights into potential bottlenecks and areas for optimization.

Prerequisites

[!IMPORTANT]

Installation

Install xk6

go install go.k6.io/xk6/cmd/xk6@latest

This will install the xk6 binary in your $GOPATH/bin directory.
If you're getting a command not found error when trying to run xk6, make sure that you precisely follow the Go installation instructions for your platform. Specifically, ensure that the $GOPATH/bin directory is part of your $PATH. For example, you might want to add this to your shell's initialization file: export PATH=$(go env GOPATH)/bin:$PATH. See this article for more information.

build custom K6 binary with diameter support

Make sure you are in the root project directory and execute the following command:

xk6 build --with github.com/matrixxsoftware/xk6-diameter --output ./bin/k6

Usage

  1. Configure the Script: Before executing the script, ensure to adjust the const options in the main.js and get object of cfg SharedArray in the config.js to match your testing environment and requirements. This includes specifying the target URL of your Diameter Credit-Control Application server and any other relevant parameters for the load test.

  2. Run the Test: Make sure you are in the root project directory and execute the run.sh script.

    ./run.sh
    

Contributing

Contributions are highly encouraged! If you have any suggestions for improvements or encounter any bugs, please feel free to open an issue or submit a pull request.

License

License: GPL v3
This project is licensed under the GNU General Public License v3.0. For more information, refer to the LICENSE file.

Acknowledgements

The developers of @grafana/k6 and the @MATRIXXSoftware/xk6-diameter for their invaluable contributions to the open-source community.
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Contact

For any inquiries or support, please contact itsMohammadHeidari@gmail.com