IETF 126 post-meeting survey: what we heard

The IETF 126 Vienna meeting was held 18-24 July 2026 and the results of the post-meeting survey are now available.

IETF 126 brought the community to Vienna, Austria, from 18–24 July 2026. Now that we’ve had a chance to dig into the post-meeting survey results, we’re sharing a closer look at what worked well, where we saw challenges, and what we can carry forward to future meetings.

A summary of the results is below, with more detailed data available in the public report. Thank you to everyone who took the time to respond. Your feedback gives us a clearer picture of the meeting experience and helps guide where we focus our efforts next.

We received 406 responses, 329 onsite, and 72 remote. With 1779 registered participants, this gives the survey a maximum margin of error of +/- 4.27%.

As with previous analyses, comparisons are drawn both to the immediately preceding meeting (IETF 125 in Shenzhen) and to the most recent meeting held in Europe (IETF 123 in Madrid), to provide regional context.

The results for satisfaction questions include a mean and standard deviation using a five point scale scoring system of Very satisfied = 5, Satisfied = 4, Neither satisfied nor dissatisfied = 3, Dissatisfied = 2, Very dissatisfied = 1. While there’s no hard and fast rule, a mean of above 4.50 is sometimes considered excellent, 4.00 to 4.49 is good, 3.50 to 3.99 is acceptable and below 3.50 is either poor or very poor if below 3.00. The satisfaction score tables also include a top box, the total of satisfied and very satisfied, and a bottom box, the total of dissatisfied and very dissatisfied, both in percentages. Please note that a small number of questions are on a four point scale.