Primarily, what we like is the ability to do micro-segmentation. We have many different application endpoints, and one of the key use cases for us was to be able to classify the application endpoints into arbitrary buckets of different silos. We need to be able to ensure that different endpoints will go into, let's say, a production silo, versus a development silo, versus a test silo. That was one of the use cases.
The function above and beyond that is that you get things like automation as part of the SDN framework. Therefore, you get the data center overlay that is built automatically and provisioned automatically from the automation capability that's built-in.