yes!<br><br><div class="gmail_quote">On Wed, Nov 30, 2011 at 12:56 PM, Michael Welzl <span dir="ltr"><<a href="mailto:michawe@ifi.uio.no">michawe@ifi.uio.no</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
This should really go to ICCRG, I'd say (added to recipients). May I ask to continue this (interesting!) discussion there?<div><div></div><div class="h5"><br>
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<br>
On 11/30/11 12:10 PM, <a href="mailto:mascolo@poliba.it" target="_blank">mascolo@poliba.it</a> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Dear all,<br>
<br>
we know that TCP BIC/Cubic is default in Linux and as a consequence 50% of servers employs TCP BIC/Cubic.<br>
<br>
Our measurements say that there could be reasons not to deploy TCP BIC/Cubic. These reasons are in our opinion rooted in its more aggressive probing phase. In particular, in common network conditions, TCP BIC/CUBIC exhibits: 1. a larger RTT average wrt to TCP NewReno or TCP Westwood+; 2. a larger number of retransmission wrt to TCP NewReno or TCP Westwood+; 3 larger throughput but same goodput wrt to TCP NewReno or Westwood+.<br>
<br>
In other terms, it seems that its more aggressive probing increases both throughput and retransmissions but leaving unchanged the goodput. This is neutral for the users but negative for the network.<br>
<br>
I appreciate your views.<br>
<br>
Thanks for the attention and best regards,<br>
<br>
Saverio Mascolo<br>
<br>
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</blockquote>
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</blockquote></div><br><br clear="all"><div><br></div>-- <br>Prof. Saverio Mascolo<br>Dipartimento di Elettrotecnica ed Elettronica<br>Politecnico di Bari<br>Via Orabona 4, 70125 Bari Italy<br>Tel. +39 080 5963621<br>Fax. +39 080 5963410<br>
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