Store-level DRP system are available to support forecasts for an extended horizon-over a 12-mouth or long rolling horizon-which gives trading partners the data they need to coordinate more strategic and longer lead time tasks. Linking all activities to a DRP forecast creates a complete and dynamic calculated model of the extended enterprise. Since all future supply chain activities can be captured in this computerized model of the business, trading partners can share a single plan and work together to analyze and optimize their linked business activities