Calculate Distribution Plan Introduction Distribution resource planning is a method used in business administration for planning orders within a supply chain. DRP enables the user to set certain inventory control parameters and calculate the time-phased inventory requirements. This process is also commonly referred to as distribution requirements planning.Process - Calculate Distribution Plan Organization :  User have to mention the organization Warehouse:  User have to select the warehouse. Version:  Mention the version no here. while the user click the ok button system generate the transaction based on the above criteria.