You said "I believe the only way to achieve the speed and efficiency businesses desire is to manage your entire heterogeneous data center as a unified whole — holistically."

If you were to take a total end-to-end view of the typical DevOps workflow process, then how do you incorporate open-source tools already in use (such as Chef, Puppet, Vagrant, etc) within this Cisco Management model? Is your orchestration approach adaptive, or are their inherent limits to what can be incorporated from existing IT workflow practices?