by Global Knowledge
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Published on: December 2008
Type of content: WHITE PAPER
Format:
Adobe Acrobat (.pdf)
Length: 5 pages
Price: FREE
Overview:
When multiple receivers are required to get the same data at approximately the same time, multicast is a more efficient way of delivering data than unicast.
A unicast packet has a single source IP address and a single destination IP address. Data will be delivered to a single host. A multicast packet has a single source IP, but it has a multicast destination IP address that will be delivered to a group of receivers. The advantage is that multiple hosts can receive the same multicast stream (instead of individual streams), thereby saving bandwidth.

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