The new business model is based around IT and the cloud. Regardless of the industry, enterprises end up owning a great number of systems: either built internally or acquired from third parties; cloud-based or on-premise. When asked to rank their top challenges, IT decision-makers put customer behavior in their top three; followed by legacy infrastructure and new systems integration, and security. Furthermore, there are concerns about expectations, redundancy, and budget constraints. Even from the top, the challenges ring familiar to anyone when it comes to integration.