<networking> A classification of low priority network traffic, used especially the Internet
Different kinds of traffic have different priorities. Videoconferencing and other types of real-time
communication, for example, require a certain minimum guaranteed bandwidth
and so must be given a high priority.
, on the other hand, can tolerate an arbitrarily long delay and is classified as a "best-effort" service.
[Scientific American, Nov. 1994, pp. 83-84].