[ssm] Multicast SSM throughput in 802.11

"Tiago Sousa" <tmas@dei.uc.pt> Thu, 20 October 2005 01:36 UTC

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From: Tiago Sousa <tmas@dei.uc.pt>
To: ssm@ietf.org
Date: Thu, 20 Oct 2005 02:36:00 +0100
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Subject: [ssm] Multicast SSM throughput in 802.11
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I am testing the PIM-SSM daemon (both freebsd and linux) and mrd6 program in
a wireless link. 

The problem I encountered, with both pim6sd daemon and mrd6, is that I'm
sending multicast traffic at 4 Mbps and the throughput reaches the mobile
node (which is very near from de access point) rounding 40 kbps.

I am using the mad-flute tool to send the multicast SSM traffic and the
tcpdump plus trpr to analyze the data.


Anyone knows why the throughput decreases so much in the wireless link? 


I would appreciate any help/hint that helps me to explain these results.




Tiago Sousa


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