This report provides an overview of several indicators and data sets for measuring IPv6 deployment. This report was prepared by Ms. Karine Perset of the OECD‟s Directorate for Science, Technology and Industry. The Working Party on Communication Infrastructures and Services Policy (CISP) recommended, at its meeting in December 2009, forwarding the document to the Committee for Information, Computer and Communications Policy (ICCP) for declassification. The ICCP Committee agreed to make the document publicly available in March 2010. Experts from the Internet Technical Advisory Committee to the ICCP Committee (ITAC) and the Business and Industry Advisory Committee to the OECD (BIAC) have provided.