CPQ can be implemented in a range of product configuration options.  As a starter for your strategic planning, here’s a generally accepted definition of “To-Order” options that will be your strategic choices. Assemble-to-Order (ATO) – products with standard sets of predefined features and options.  The customer selects specific features and options to develop the unique product configurations.  Orders are typically processed by an ERP system, for example, computers ordered over the Internet.