The IAB has published RFC 9318: IAB Workshop Report: Measuring Network Quality for End-Users.

Abstract: The Measuring Network Quality for End-Users workshop was held virtually by the Internet Architecture Board (IAB) on September 14-16, 2021. This report summarizes the workshop, the topics discussed, and some preliminary conclusions drawn at the end of the workshop.

Note that this document is a report on the proceedings of the workshop.  The views and positions documented in this report are those of the workshop participants and do not necessarily reflect IAB views and positions.