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 ext
AI Summary
Key decisions made by Slack's infrastructure team were to choose the quic-go library for QUIC-capable HTTP client support and integrate it into their custom Blackbox Exporter (BBE) for Prometheus. This allowed for scalable network probing and HTTP/3 readiness monitoring within their infrastructure. The team successfully open-sourced their QUIC support contribution, benefiting the wider Prometheus community and enabling future-proof observability for QUIC and HTTP/3 adoption.