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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Aaron Rosen wrote:
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<p class="MsoNormal"><span style="color:#1F497D">></span>Sorry not really. It's still not clear to me why multiple nics would be required on the same L2 domain.<span style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I’m a fan of this old paper for nostalgic reasons
<a href="http://static.usenix.org/legacy/publications/library/proceedings/neta99/full_papers/limoncelli/limoncelli.pdf">
http://static.usenix.org/legacy/publications/library/proceedings/neta99/full_papers/limoncelli/limoncelli.pdf</a> but a search for transparent or bridging firewall turns up tons of hits.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Whether any of them are valid use cases for OpenStack is something that we could debate, but the general concept of putting two firewall interfaces into the
 same L2 domain and using it to control traffic flow between different hosts on the same L2 domain has at least five years of history behind it.<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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