From: gladston@br.ibm.com
Date: Thu Sep 09 2004 - 16:05:00 GMT-3
oh, that is funny and interesting.
Let me try.
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quoted
I have a question for the group.. As we know, first-hop DR send
PIM-Register messages to RP, and RP may respond with register-stop
message by either switching to SPT or just ignore the messages(no
receivers).
My question is whether the same processes will follow if RP is
also first-hop DR, i.e, source is directly connected to RP. I would
think it is not needed since RP get the feed from source directly but like
to verify it with the group
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The goal of PIM-register to RP is to provide a way to send multicast when there is no multicast tree. So the multicast is encapsulated in unicast. If the DR is also the RP there is no need to send the multicast as unicast one hope away.
Makes sense?
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