Speed of service
Encyclopedia
In telecommunication
Telecommunication
Telecommunication is the transmission of information over significant distances to communicate. In earlier times, telecommunications involved the use of visual signals, such as beacons, smoke signals, semaphore telegraphs, signal flags, and optical heliographs, or audio messages via coded...

, the term speed of service has the following meanings:
  1. The time
    Time
    Time is a part of the measuring system used to sequence events, to compare the durations of events and the intervals between them, and to quantify rates of change such as the motions of objects....

     between release of a message
    Message
    A message in its most general meaning is an object of communication. It is a vessel which provides information. Yet, it can also be this information. Therefore, its meaning is dependent upon the context in which it is used; the term may apply to both the information and its form...

     by the originator to receipt of the message by the addressee, as perceived by the end user. Synonym: originator-to-recipient speed of service.
  2. The time between entry of a message into a communications system
    Communications system
    In telecommunication, a communications system is a collection of individual communications networks, transmission systems, relay stations, tributary stations, and data terminal equipment usually capable of interconnection and interoperation to form an integrated whole...

     and receipt of the message at the terminating communications facility, i.e., the communications facility serving the addressee, as measured by the system.
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