A group’s legal structure is older than its systems, and every customer promise has to cross it. S/4HANA made the cross-company flow simple – but the question that decides the project plan is the interim process, not the feature.
In every constrained order book, someone eventually learns to jump the queue using nothing but standard functionality. Companies discovered this decades ago – and the walls they built to stop it are quietly costing them more than the problem ever did.
How strictly should goods be separated from the wrong orders, and how much complexity is acceptable to get it? Stock and demand segmentation delivers real isolation inside one material, without extra master data. A decision to make early.
Supply Assignment (ARun) turns an ATP confirmation into a firm reservation, pinning specific supply to specific demand. Long a fashion-only secret, it is now in the S/4HANA standard toolbox, and it reshapes supply-chain design.
Many companies try to be fair when distributing limited supply between markets. The logic is simple:if France forecasted 40% of
