| # Demand and Inventory Planning Enterprise Planning contains several types of functionality for demand forecasting and inventory planning. Demand and inventory planning without an item master plan If you do not maintain an item master plan for a particular plan item, you can only plan supply by means of order planning. In this case, the following functionality is available for demand and inventory planning: You can enter demand forecasts in the Special Demand by Item (cpdsp2100m000) session. You can use standard ATP and component CTP to support the actual sales process. You can apply basic inventory planning by specifying a safety stock and, optionally, a seasonal pattern, in the Item - Ordering (tcibd2100s000) session. Demand and inventory planning with an item master plan If an item master plan is maintained for a particular plan item, more advanced functionality for demand and inventory planning is available. With an item master plan, you can use the following types of demand-planning functionality: Maintain three types of forecast: Demand forecast Extra demand Special demand Automatic generation of forecasts, based on historical demand, or based on sales budgets Manual editing of forecasts Automatic consumption of forecast by actual demand To support the actual sales process, an item master plan gives access to a variety of capable-to-promise (CTP) techniques. See also Capable-to-promise, an overview. With an item master plan, you can use the following types of inventory-planning functionality: Automatic generation of inventory plans, based on the safety stock, or based on demand forecasts Manual editing of inventory plans Related topics Enterprise Planning, an Overview Master planning versus order planning Demand forecasting in Enterprise Planning Inventory planning in Enterprise Planning Capable-to-promise, an overview Types of ATP and CTP checks |