Inertia – Interop 2012: What are some of the hot issues in IT? In this edition of Inertia, we took to the floor of Interop to talk with experts, IT pros and vendors. OpenFlow, which was an Interop Labs demo in 2011, had a bigger presence in the form of products and services such as SDN (Software-Defined Networking) offerings. Connectivity remains a heavy lifting effort, whether it means managing and optimizing Internet connections for business or deploying high speed interconnects in the data center. And then there’s the cloud, the backdrop for just about all things IT from enabling social media to security to networking.