From the common conviction that sourcing is supply chain to the equally baffling belief that supply chain is simply transportation management, there’s a lot of scope for misclassifying processes and mismatching them to solution offerings. In this report, we describe the way that global billion-dollar enterprises — and the vendors and service providers that serve them — classify the functionality involved in managing inventory in space and time. IT leaders: Read this report to understand the roles and functions of typical solutions for supply chain management and follow the links for more detailed Forrester research on each.