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Date:	Thu, 03 Apr 2008 21:54:22 -0700
From:	Wenji Wu <wenji@...l.gov>
To:	netdev@...r.kernel.org
Subject: A Linux TCP SACK Question

Hi, Could any body help me out with Linux TCP SACK? Thanks in advance.

I run iperf to send traffic from sender to receiver. and add packet reordering in both forward and reverse directions. I found when I turn off the SACK/DSACK option, the throughput is better than with the SACK/DSACK on? How could it happen in this way? did anybody encounter this phenomenon before?


thanks,

wenji
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