Supplement 60 to ITU-T Y-series Recommendations (06/2022) Interpreting ITU-T Y.1540 maximum IP-layer capacity measurements Summary History FOREWORD Table of Contents 1 Scope 2 References 3 Definitions 3.1 Terms defined elsewhere 3.2 Terms defined in this Supplement 4 Abbreviations and acronyms 5 Conventions 6 Recommendation for use of ITU-T Y.1540 Annex B (Type B) search algorithm 7 Example results requiring careful interpretation 7.1 Measurement results that indicate a bimodal distribution of capacities 7.2 Measurement results where packet losses occur independently of the send rate 8 Example of an ITU-T Y.1540 Annex B table of sending rates 8.1 Example table 9 Test results of note obtained since publication of the 2019 edition of [ITU-T Y.1540] 9.1 New results on 5/100 data-over-cable service interface specification access 9.2 Comparison of measurement results with new tools 9.3 Results on DOCSIS 3.1 gigabit downlink access 9.4 Results with non-congestion-related loss on downlink access 9.5 Results with mobile/radio access 10 Brief description of the udpst utility: An implementation of [BBF TR-471] and [ITU-T Y.1540] 10.1 udpst results display 10.2 udpst project location Bibliography <\pre>