Patent 11349586 was granted and assigned to Nippon Telegraph and Telephone on May, 2022 by the United States Patent and Trademark Office.
A time providing method includes: by a computer, upon receiving data from a device, estimating a generation time of the data using a reception time of the data and a first delay time of the device previously estimated; providing information indicating the generation time to the data; and transmitting the data provided with the information indicating the generation time to a destination of the data.