With SAP S/4HANA, MRP is a real-time process.This is achieved because of the raw power available with SAP HANA, and the dramaticallysimplified data model and application code that runs faster.MRP is no longer a painful batch process, which means you can run it whenever an individual change occurs in the inventory position right down the BOM component level. This means MRP is always live.Also, with SAP S/4HANA, you can now plan right down to a lot size of one. If a customer order is taken, you can immediately determine the effect on all the dependent subcomponents' requirements, but only for that single order. This means the inventory department can immediately begin working on the procurement of the missing items and do not have to wait until the next MRP run to tell them subcomponents are missing and need to be ordered.