<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 lateNcy aNd so must be giveN a high priority. ElectroNic mail, 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]. (1995-04-04)