May 2006
Intermediate to advanced
480 pages
12h 20m
English
Content preview from Understanding TCP/IPBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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10.2 Broadcasts and Multicasts
It might seem at first glance that UDP is poor relative of TCP. So is there anything that UDP can do that TCP cannot? What is special about UDP is the fact that the destination of a UDP datagram does not have to be just a unique IP address, i.e., the network interface of a particular computer. The destination might also be a multicast; even a broadcast as well.
Though broadcasts can be addressed, addressing multicasts is much more interesting. For example, each client establishes a connection with the server in the Real Audio application. On the other hand, in the Progressive Real Audio application, the data is transmitted via multicasts, i.e., a huge amount of the transmission path capacity is saved. This is exactly ...
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