SAP S/4HANA is SAP's ERP suite redesigned around the SAP HANA platform. Most SAP consultants that I talk to generally have heard of HANA or S/4HANA. But there's a great deal of selling jargon driving this, it is typically puzzling to put your finger firmly on what HANA or S/4HANA is de facto - Greenfield approach: The Greenfield method of i