Описание тега ntp
Network Time Protocol is an application level network protocol that is used for synchronizing clocks of computer systems. The term also refers to the reference software implementation.
The Network Time Protocol version 4 is defined in RFC 5905, RFC 5906, RFC 5907, and RFC 5908. NTPv4 is also suitable for the Internet Protocol version 6 address family.
The reference software implementation is provided by the NTP Public Services Project.