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  2. Time stamp protocol - Wikipedia

    en.wikipedia.org/wiki/Time_stamp_protocol

    The Time-Stamp Protocol, or TSP is a cryptographic protocol for certifying timestamps using X.509 certificates and public key infrastructure. The timestamp is the signer's assertion that a piece of electronic data existed at or before a particular time.

  3. Network Time Protocol - Wikipedia

    en.wikipedia.org/wiki/Network_Time_Protocol

    Search. Search. Appearance. Donate ... t 2 is the server's timestamp of the response packet ... A small query is sent to an NTP server with the return IP address ...

  4. 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.

  5. Time to live - Wikipedia

    en.wikipedia.org/wiki/Time_to_live

    The original DARPA Internet Protocol's RFC describes [1]: §1.4 TTL as: . The Time to Live is an indication of an upper bound on the lifetime of an internet datagram.It is set by the sender of the datagram and reduced at the points along the route where it is processed.

  6. Time Protocol - Wikipedia

    en.wikipedia.org/wiki/Time_Protocol

    A host connects to a server that supports the Time Protocol on port 37. The server then sends the time as a 32-bit unsigned integer in binary format and in network byte order, representing the number of seconds since 00:00 (midnight) 1 January, 1900 GMT, and closes the connection. Operation over UDP requires the sending of any datagram to the ...

  7. Time server - Wikipedia

    en.wikipedia.org/wiki/Time_server

    A typical commercial time server in rackmount form factor. (Elproma front panel). A time server is a server computer that reads the actual time from a reference clock and distributes this information to its clients using a computer network. The time server may be a local network time server or an internet time server.

  8. ANSI ASC X9.95 Standard - Wikipedia

    en.wikipedia.org/wiki/ANSI_ASC_X9.95_Standard

    Time Stamp Authority (TSA) - The issuer of timestamps, which can be internal to an organization or a third party or external (as in an Internet-based service). The TSA receives its provable "trusted time" from one or more reliable time sources and generates the timestamps requested from it according to the X9.95 scheme.

  9. Timestamping (computing) - Wikipedia

    en.wikipedia.org/wiki/Timestamping_(computing)

    In computing, timestamping refers to the use of an electronic timestamp to provide a temporal order among a set of events.. Timestamping techniques are used in a variety of computing fields, from network management and computer security to concurrency control.