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  2. ping (networking utility) - Wikipedia

    en.wikipedia.org/wiki/Ping_(networking_utility)

    Pinging involves sending an ICMP echo request to the target host and waiting for an ICMP echo reply. The program reports errors, packet loss, and a statistical summary of the results, typically including the minimum, maximum, the mean round-trip times, and standard deviation of the mean. Command-line options and terminal output vary by ...

  3. Timeout (computing) - Wikipedia

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

    Network timeout preventing a Web browser from loading a page. In telecommunications and related engineering (including computer networking and programming), the term timeout or time-out has several meanings, including: A network parameter related to an enforced event designed to occur at the conclusion of a predetermined elapsed time.

  4. Pingback - Wikipedia

    en.wikipedia.org/wiki/Pingback

    Essentially, a pingback is an XML-RPC request (not to be confused with an ICMP ping) sent from Site A to Site B, when an author of the blog at Site A writes a post that links to Site B. The request includes the URI of the linking page. When Site B receives the notification signal, it automatically goes back to Site A checking for the existence ...

  5. Internet Control Message Protocol - Wikipedia

    en.wikipedia.org/wiki/Internet_Control_Message...

    The ICMP header starts after the IPv4 header and is identified by its protocol number, 1. [6] All ICMP packets have an eight-byte header and variable-sized data section. The first four bytes of the header have fixed format, while the last four bytes depend on the type and code of the ICMP packet.

  6. Client-to-client protocol - Wikipedia

    en.wikipedia.org/wiki/Client-to-client_protocol

    A CTCP PING request will determine the ping rate that directly exists between two clients (i.e. discounting the server). The CTCP PING command works by sending an (often) integer argument (a timestamp ) to a target client, the target client then responds by supplying exactly the same numerical parameter.

  7. Round-trip delay - Wikipedia

    en.wikipedia.org/wiki/Round-trip_delay

    RTT is a measure of the amount of time taken for an entire message to be sent to a destination and for a reply to be sent back to the sender. The time to send the message to the destination in its entirety is known as the network latency, and thus RTT is twice the latency in the network plus a processing delay at the destination.

  8. Fix sending and receiving issues with third-party email apps

    help.aol.com/articles/cant-send-or-receive-email...

    1. Sign into AOL Mail on a web browser. 2. Compose an email and add your own email address in the "To" field. 3. Send the email and check if it arrives.

  9. Real-Time Messaging Protocol - Wikipedia

    en.wikipedia.org/wiki/Real-time_Messaging_Protocol

    Type 6 - Ping the client from server. The second parameter is the current time. Type 7 - Pong reply from client. The second parameter is the time when the client receives the Ping. Type 8 - UDP Request. Type 9 - UDP Response. Type 10 - Bandwidth Limit. Type 11 - Bandwidth. Type 12 - Throttle Bandwidth. Type 13 - Stream Created. Type 14 - Stream ...