The Cisco VNI™ Complete Forecast for 2016 to 2021, released June 8, 2017, relies upon independent analyst forecasts and real-world network usage data. Upon this foundation are layered Cisco's own estimates for global IP traffic and service adoption. A detailed methodology description is included in the complete report. Over its 12-year history, Cisco® VNI research has become a highly-regarded measure of the Internet's growth. National governments, network regulators, academic researchers, telecommunications companies, technology experts and industry/business press and analysts rely on the annual study to help plan for the digital future. For more information, please visit