What are the advantages over treating servers as cattle?<p><a href="http:&#x2F;&#x2F;www.tomsitpro.com&#x2F;articles&#x2F;openstack-pets-and-cattle,1-1759.html" rel="nofollow">http:&#x2F;&#x2F;www.tomsitpro.com&#x2F;articles&#x2F;openstack-pets-and-cattle,...</a>