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SakthiPrabhu.g
Hi Friend...Doubt on Uni Cast & Multi Cast
2 Answer(s)      5 years and 7 months ago
Posted in : Java Beginners



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December 29, 2008 at 4:03 AM


Hi friend,
A unicast packet is the completely different from multicast.In this,machine converses to other machine.
An example of unicast is TCP connection,since they can have one destination host for each source host.
UDP packets are also an part of unicast. Although they can be sent to the broadcast address so that
they reach to every single machine in some cases.

A multicast packet is used to sent to more than one machine or more. The difference between a multicast packet and
a broadcast packet is that hosts receiving multicast packets can be on different separate lans, and that each
multicast data-stream is only transmitted between networks once, not once per machine on the remote network.
Rather than each machine connecting to a video server, Unlike unicast, multicast data is streamed per-network, and multiple
machines just listen-in on the multicast data once it's on the network

Thanks


December 29, 2008 at 4:06 AM


Hi friend,


Unicast means there is one receiver, use it if there's maximal one receiver. Use multicast to allwo one-to-many connections, an example for multicast is the java eventhandling modell.

A unicast packet is the complete opposite: one machine is talking to only one other machine. All TCP connections are unicast, since they can only have one destination host for each source host. UDP packets are almost always unicast too, though they can be sent to the broadcast address so that they reach every single machine in some cases.

A multicast packet is from one machine to one or more. The difference between a multicast packet and a broadcast packet is that hosts receiving multicast packets can be on different lans, and that each multicast data-stream is only transmitted between networks once, not once per machine on the remote network. Rather than each machine connecting to a video server, the multicast data is streamed per-network, and multiple machines just listen-in on the multicast data once it's on the network.Difference between unicast and multicast.


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