Dear RSSAC Caucus, The RSSAC Admin Committee would like to solicit input on operational updates to RSSAC002. The RSSAC work plan stipulates that every July the RSSAC review and consider updating RSSAC002. In addition, RSSAC002v4 recommendation 3 states: "Measurements outlined in this document should be reviewed every two years to determine whether they require updating to accommodate changes in DNS technologies." If you have any input for proposed updates for a RSSAC002v5 please send them to the this list by July 22, 2021. There are already two items deferred from the last call on RSSAC002v4 that are listed below. 1) Addition of sampling percentages to unique-sources metric to show what percentage of instances are involved in traffic sampling See mail from John Heidemann on February 24 <https://mm.icann.org/pipermail/rssac-caucus/2020-February/001074.html <https://mm.icann.org/pipermail/rssac-caucus/2020-February/001074.html>> 2) Addition of comments to YAML data to aid interpretation of statistics See mail from Warren Kumari on February 25 <https://mm.icann.org/pipermail/rssac-caucus/2020-February/001085.html <https://mm.icann.org/pipermail/rssac-caucus/2020-February/001085.html>> Thanks, Andrew