<div dir="ltr"><br><div class="gmail_extra"><br><br><div class="gmail_quote">On Mon, Jul 21, 2014 at 12:38 AM, Mark Tinka <span dir="ltr"><<a href="mailto:mark.tinka@seacom.mu" target="_blank">mark.tinka@seacom.mu</a>></span> wrote:<br>

<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div class="">On Sunday, July 20, 2014 10:19:04 PM Mukom Akong T. <span id="6b3b9d9a-2f13-4158-bce9-ec8edc388de0" class="GINGER_SOFTWARE_mark">wrote</span>:<br>


<br>
> This isn't a valid scenario. It's merely a factor that<br>
> <span id="ba10cbf6-ff1a-4c3b-bddf-e83085705166" class="GINGER_SOFTWARE_mark">feeds</span> into the second scenario.<br>
<br>
</div>Maintaining translation state on a device that cannot scale<br>
<span id="cd104958-3a49-4bb9-aab7-64cdba240e04" class="GINGER_SOFTWARE_mark">to</span> handle that state will crash due to lack of memory.<br>
<br>
NAT'ing the software path will increase CPU utilization,<br>
<span id="8fd7f5fa-0420-4fc1-b46e-63787ccb0927" class="GINGER_SOFTWARE_mark">which</span> will slow down performance.<br>
<br>
These are real problems.<br></blockquote><div><br></div><div><br></div><div>Correct. And these are scenario <span id="aacaa383-8fa1-4e5b-8ec6-32d271fefc15" class="GINGER_SOFTWARE_mark">b</span> related.  I read Seun's statement "<span id="af11a260-779c-4b13-852a-2198f4a6e554" class="GINGER_SOFTWARE_mark">...</span><span style="color:rgb(80,0,80);font-family:arial,sans-serif;font-size:13px">NAT <span id="659c4807-5dd5-43eb-abc0-75b2aa257632" class="GINGER_SOFTWARE_mark">affecting</span> performance on bandwidth increase" to mean that bandwidth increase in itself will somehow worsen NAT performance. My response was to the fact that it doesn't directly do so, instead it influences users behavior so that they start doing more 'sophisticated' things what require more ports and thus more entries in translation table which is the scenario you quite correctly describe above.</span></div>

<div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<span class=""><font color="#888888"><br>
Mark.<br>
</font></span></blockquote></div><br><br clear="all"><div><br></div>-- <br><br>Mukom Akong T.<br><br><a href="http://about.me/perfexcellence" target="_blank">http://about.me/perfexcellence</a>        |  twitter: @perfexcellent                                             <br>

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