It's not clear for me if you are looking for an architectural blueprint or a success case. There are a lot of architectural blueprints to scale Openstack, but honestly finally we had to build our own Reference Architecture :-( <div>

<br></div><div>If you are looking for a success case, may be one of our customers could fit your needs. He has an on-demand Virtual Private Cloud subscription service with a good bunch of servers:<div><div><br></div><div>

<a href="http://www.hostalia.com/cloud-dedicado/">http://www.hostalia.com/cloud-dedicado/</a></div><div><br></div><div>Hostalia is brand of ACENS, a Hosting Provider of the Telefónica Group. Basically the customer choose in a wizard the number of compute nodes, storage size and public IPs and in 30' you have your own private cloud ready to go. His customers are running a very heterogenous set of application and services.</div>

<div><br></div><div>We are working with some providers worldwide to deliver similar services based on Openstack. </div><div><br></div><div>Regards</div><div>Diego</div><div> -- <br><span style="border-collapse:separate;font-family:Times"><span style="border-collapse:collapse;font-family:arial,sans-serif"><div align="left" style="font-size:13px">

<div><font><span lang="ES" style="font-family:Arial">Diego Parrilla<br><a href="http://www.stackops.com/" title="file:///C:/Documents%20and%20Settings/carolina.capsir.per1/Application%20Data/Microsoft/Signatures/www.garrigues.com
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</font></font><span style="border-collapse:separate;font-family:Times;font-size:medium"><span style="border-collapse:collapse;font-family:arial,sans-serif;font-size:13px"></span></span><b><font face="Arial" size="2" style="font-family:arial,helvetica,sans-serif"><a href="http://www.stackops.com/" target="_blank"><b>www.stackops.com</b></a> | </font></b><font face="Arial" size="2" style="font-family:arial,helvetica,sans-serif"><font size="1"> <a href="mailto:diego.parrilla@stackops.com" target="_blank">diego.parrilla@stackops.com</a></font></font><span style="border-collapse:separate;font-family:Times;font-size:medium"><span style="border-collapse:collapse;font-family:arial,sans-serif;font-size:13px"><font color="#004438" face="Arial"><b><b><span lang="EN-GB" style="font-size:10pt"></span></b></b></font></span></span><font face="Arial" size="2" style="font-family:arial,helvetica,sans-serif"><font size="1"> | </font></font><span style="border-collapse:separate;font-family:Times;font-size:medium"><span style="border-collapse:collapse;font-family:arial,sans-serif;font-size:13px"><font face="Arial" size="2" style="font-family:arial,helvetica,sans-serif"><font size="1">+34 649 94 43 29 | <a>skype:diegoparrilla</a></font></font></span></span><font face="Arial" size="2" style="font-family:arial,helvetica,sans-serif"><a href="http://www.stackops.com/" target="_blank"><b><br>

</b></a></font></div></div><div style="font-size:13px"><font color="#004438" face="Arial"><b><p><span style="border-collapse:separate;color:rgb(0,0,0);font-family:Times;font-size:medium"><span style="border-collapse:collapse;font-family:arial,sans-serif;font-size:13px"><span style="border-collapse:separate;font-family:Times;font-size:medium"><span style="border-collapse:collapse;font-family:arial,sans-serif;font-size:13px"><font color="#004438" face="Arial"><b><b><span lang="EN-GB" style="font-size:10pt"><img src="http://stackops.s3-external-3.amazonaws.com/STACKOPSLOGO-ICON.png"></span></b></b></font></span></span></span></span></p>

</b></font></div></span></span><div><br></div><br>
<br><br><div class="gmail_quote">On Tue, Jul 24, 2012 at 6:28 AM, Stephen Liu <span dir="ltr"><<a href="mailto:satimis@yahoo.com" target="_blank">satimis@yahoo.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

<div><div style="font-size:12pt;font-family:arial,helvetica,sans-serif"><div>Hi all,<br><br>I have been hunting for examples/demonstration applying OpenStack in Data-Centre where there are hundreds of server running with different application without much result.  Could any folk on the list shed me some light?  TIA<br>

<br>During searching I found;<br><br>Quantum<br><a href="http://wiki.openstack.org/Quantum" target="_blank">http://wiki.openstack.org/Quantum</a><br><br>It is a side project of OpenStack.  It aims for Data-Center application.<br>

<br>B.R.<span class="HOEnZb"><font color="#888888"><br>SL<br></font></span></div></div></div><br>_______________________________________________<br>
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<br></blockquote></div><br></div></div></div>