As IT environments grow in size and complexity, a number of IT decision points will be reached that are critical for continued success. Best practices dictate that enterprises pay close attention not only to scaling applications and resilient IT infrastructure, but also to the essential services that enable them to work together seamlessly. Such is the case with functions that are commonly referred to as DDI, which is shorthand for DNS (domain name system), DHCP (dynamic host control protocol), and IPAM (IP address management). These functions make it possible for endpoints, including servers, end-user compute systems, handsets, smart devices, internet-based resources, and more, to find and connect to each other, as well as communicate as part of application execution and service usage. In short, DDI is nothing short of essential.