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[ns] IGMP in multicasting?
In the ns supported multicasting we give explicit join
and leave commands from the tcl script to make a node
join/leave the multicast group.but in IGMP we have the
neighbourhood router continuously poll each of the
hosts to check whether they want to be part of some
group or not.my question is that if this is so would
not the polling form a substantial part of the
multicasting packet load?if it does then since ns does
not simulate that how would we cope with that to get a
more realistic multicasting simulation?
regards,
bindu
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