Definition of multicast in English:


Syllabification: mul·ti·cast
Pronunciation: /ˈməltiˌkast, ˌməltiˈkast

verb (past and past participle multicast)

[with object]
  • Send (data) across a computer network to several users at the same time.
    More example sentences
    • An arrangement for multicasting digital data to a user accessing an Internet connection is disclosed.
    • As with quality of service, the number of providers involved makes multicasting a complex process, but one that is necessary for efficient use of bandwidth on a global information infrastructure.
    • Plus, with multicasting, the networks could form their own mini-cable systems to compete with the industry.


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  • A set of data sent across a computer network to many users at the same time.
    More example sentences
    • For only a very small part of the total bandwidth budget, a data cell could offer multicasts of everything you can currently find on cable TV.
    • The presentation can be coordinated as a multicast to simultaneous users and as a unicast, for users who want to see the presentation after the fact.
    • There is a middle ground between broadcasts and unicasts, and that is a multicast.

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