NTT Software Innovation Center is researching and developing next-generation data hubs as part of the Innovative Optical and Wireless Network (IOWN) proposed by NTT. These data hubs will safely distribute diverse types of data including confidential data through advanced means of data protection in an environment of high-frequency/large-capacity data traffic. This article outlines the problems involved with data distribution and introduces the technologies for configuring data governance, the main function of a data hub. © 2021 Nippon Telegraph and Telephone Corp.. All rights reserved.