The Problem: Legacy Tooling and Its Limitations
Currently, Slack utilizes a hybrid approach to network measurement, incorporating both internal (such as traffic between AWS Availability Zones) and external (monitoring traffic from the public internet into Slack’s infrastructure) solutions. These tools comprise a combination of commercial SaaS offerings and custom-built network testing solutions de...
In this scenario, Slack encountered a challenge with monitoring HTTP/3 due to its unique transport protocol (QUIC using UDP) which existing tools couldn’t probe. An intern named Sebastian Feliciano stepped up and open-sourced QUIC support for Prometheus BBE, enabling better monitoring of their new infrastructure.
This contribution demonstrates the power of open source in solving industry challenges and future-proofing observability for ongoing adoption of QUIC and HTTP/3. However, it also highli...