<p>A good article on Clos Networks.</p>
<p><a href="http://m.networkworld.com/community/blog/clos-networks-%E2%80%93-what%E2%80%99s-old-new-again">http://m.networkworld.com/community/blog/clos-networks-%E2%80%93-what%E2%80%99s-old-new-again</a></p>
<p>What goes around comes around!<br>
</p>