Hello to all,

We're excited to announce the release of the LibreQoS Bufferbloat Test – an open-source bufferbloat testing solution designed specifically for ISPs and network operators to deploy for their customers.

Link
https://test.libreqos.com

What Makes This Different

While there are several bufferbloat testing tools available, this platform addresses a critical gap: ISP-deployable infrastructure that provides both traditional testing and realistic household simulation.

As Dave Täht highlighted in his influential article "What's Wrong with Speed Tests", traditional speed tests fail to measure what users actually experience. We tried to address Dave's points to make a better speed test that focuses on the metric that matters: latency under load in realistic usage scenarios.

Two Complementary Test Modes

Single User Test Mode

Virtual Household Mode (The Innovation)

Process-isolated simulation of 4 concurrent users with authentic traffic patterns:

Real-world relevance: Tests latency under load when multiple family members are online simultaneously

Advanced grading: Network fairness, jitter measurement, and per-user working latency analysis

Why (not only) ISPs Need This

The traditional approach of sending customers to third-party speed test sites has limitations:
This platform enables (not only) ISPs to:

Open Source & Community

The entire platform is open source and available here: https://github.com/LibreQoE/bufferbloat_test

We've designed this to be:

Community Feedback Requested

We'd love feedback from the bufferbloat.net community on:

Technical Discussion

We'd welcome discussion about:

The platform represents our attempt to bridge the gap between academic bufferbloat research and practical ISP operations, building on the foundational work of researchers like Dave Täht and the broader bufferbloat community. We believe that widespread ISP deployment of proper bufferbloat testing infrastructure will ultimately benefit the entire internet ecosystem.

Looking forward to the community's thoughts and feedback!

Best regards,

The LibreQoS Team


In loving memory of Dave Täht: 1965-2025

https://libreqos.io/2025/04/01/in-loving-memory-of-dave/


https://www.linkedin.com/in/frantisekborsik

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