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  2. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    This class of status code indicates the client must take additional action to complete the request. Many of these status codes are used in URL redirection. [2]A user agent may carry out the additional action with no user interaction only if the method used in the second request is GET or HEAD.

  3. Datagram Transport Layer Security - Wikipedia

    en.wikipedia.org/wiki/Datagram_Transport_Layer...

    The DTLS protocol datagram preserves the semantics of the underlying transport—the application does not suffer from the delays associated with stream protocols, but because it uses User Datagram Protocol (UDP) or Stream Control Transmission Protocol (SCTP), the application has to deal with packet reordering, loss of datagram and data larger ...

  4. Discord - Wikipedia

    en.wikipedia.org/wiki/Discord

    Discord is an instant messaging and VoIP social platform which allows communication through voice calls, video calls, text messaging, and media.Communication can be private or take place in virtual communities called "servers".

  5. List of SMTP server return codes - Wikipedia

    en.wikipedia.org/wiki/List_of_SMTP_server_return...

    501 5.7.0 Client initiated Authentication Exchange (only when the SASL mechanism specified that client does not begin the authentication exchange) [3] 502 Command not implemented 503 Bad sequence of commands 504 Command parameter is not implemented 504 5.5.4 Unrecognized authentication type [3] 521 Server does not accept mail [5] 523 Encryption ...

  6. Connection-oriented communication - Wikipedia

    en.wikipedia.org/wiki/Connection-oriented...

    Connection-oriented transport-layer protocols provide connection-oriented communications over connectionless communication systems. A connection-oriented transport layer protocol, such as TCP, may be based on a connectionless network-layer protocol such as IP, but still achieves in-order delivery of a byte-stream by means of segment sequence numbering on the sender side, packet buffering, and ...

  7. Exception handling - Wikipedia

    en.wikipedia.org/wiki/Exception_handling

    The definition of an exception is based on the observation that each procedure has a precondition, a set of circumstances for which it will terminate "normally". [1] An exception handling mechanism allows the procedure to raise an exception [ 2 ] if this precondition is violated, [ 1 ] for example if the procedure has been called on an abnormal ...

  8. Connectionless communication - Wikipedia

    en.wikipedia.org/wiki/Connectionless_communication

    Connectionless communication, often referred to as CL-mode communication, [1] is a data transmission method used in packet switching networks, using data packets that are frequently called datagrams, in which each data packet is individually addressed and routed based on information carried in each packet, rather than in the setup information of a prearranged, fixed data channel as in ...

  9. Error message - Wikipedia

    en.wikipedia.org/wiki/Error_message

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