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multicast
(redirected from Multicasting)

    Also found in: Wikipedia, Hutchinson 0.01 sec.

(1) To transmit data to multiple recipients on the network at the same time using one transmission stream to the switches, at which point data are distributed out to the end users on separate lines. Contrast with "unicast," in which there is a separate transmission stream from source to destination for each recipient. When sending large volumes of data, multicast saves considerable bandwidth over unicast. See IP multicast, IGMP and SRM.

(2) In digital television broadcasting, to send multiple standard TV (SDTV) programs in the allotted bandwidth, rather than one high-definition TV (HDTV) program.





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Designed for easy transition to IP-based monitoring, these cameras produce high-resolution images for clarity and detail, support JPEG and MPEG-4 compression formats, and feature simultaneous access capability for multiple remote users, multicasting, IP filtering to control network access, and password protection.
IP spy by McClure, Ann / University Business
By filtering, aggregating, and multicasting critical data to support multiple network monitoring tools, GigaVUE-MP enables more flexible network security, monitoring, and troubleshooting while using far fewer and less intrusive tools.
National Instruments Selects Gigamon System's GigaVUE for Dynamic and ... by Business Wire
Multicasting can be used in a range of applications such as updating the address books of mobile computer users, distributing company newsletters to mailing lists, and broadcasting streaming media to multicast group members.
Unicoi Systems Releases Fusion IGMPv3 by Business Wire
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