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  2. Network Time Protocol - Wikipedia

    en.wikipedia.org/wiki/Network_Time_Protocol

    The Network Time Protocol (NTP) is a networking protocol for clock synchronization between computer systems over packet-switched, variable-latency data networks. In operation since before 1985, NTP is one of the oldest Internet protocols in current use. NTP was designed by David L. Mills of the University of Delaware.

  3. List of TCP and UDP port numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_TCP_and_UDP_port...

    PKIX Time Stamp Protocol (TSP) 319: Yes: Precision Time Protocol (PTP) event messages 320: Yes: Precision Time Protocol (PTP) general messages 323: Yes: Resource Public Key Infrastructure [84] 350: Yes: Mapping of Airline Traffic over Internet Protocol (MATIP) type A 351: Yes: MATIP type B 356: Yes: cloanto-net-1 (used by Cloanto Amiga Explorer ...

  4. Time Protocol - Wikipedia

    en.wikipedia.org/wiki/Time_Protocol

    The Time Protocol is a network protocol in the Internet Protocol Suite. [1] Its purpose is to provide a site-independent, machine readable date and time. The Time Protocol may be implemented over the Transmission Control Protocol (TCP) or the User Datagram Protocol (UDP). A host connects to a server that supports the Time Protocol on port 37.

  5. Clock synchronization - Wikipedia

    en.wikipedia.org/wiki/Clock_synchronization

    The most used clock synchronization solution on the Internet is the Network Time Protocol (NTP) which is a layered client-server architecture based on User Datagram Protocol (UDP) message passing. Lamport timestamps and vector clocks are concepts of the logical clock in distributed computing.

  6. List of IP protocol numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_IP_protocol_numbers

    This is a list of the IP protocol numbers found in the field Protocol of the IPv4 header and the Next Header field of the IPv6 header. It is an identifier for the encapsulated protocol and determines the layout of the data that immediately follows the header. Both fields are eight bits wide.

  7. ntpd - Wikipedia

    en.wikipedia.org/wiki/Ntpd

    The ntpd program is an operating-system daemon that sets and maintains a computer system's system time in synchronization with Internet-standard time servers.It is a complete implementation of the Network Time Protocol (NTP) version 4, but retains compatibility with versions 1, 2, and 3 as defined by RFC 1059, RFC 1119, and RFC 1305, respectively. ntpd performs most computations in 64-bit ...

  8. Time server - Wikipedia

    en.wikipedia.org/wiki/Time_server

    The time server may be a local network time server or an internet time server. The most important and widely used protocol for distributing and synchronising time over the Internet is the Network Time Protocol (NTP), though other less-popular or outdated time protocols continue in use. A variety of protocols are in common use for sending time ...

  9. NTP - Wikipedia

    en.wikipedia.org/wiki/NTP

    Network Time Protocol, for synchronizing clocks over a computer network; Normal temperature and pressure, in chemistry; Nuclear thermal propulsion, a rocket technology; Nucleoside triphosphate, an organic compound and building block of nucleic acids