Document-level access control ensures that the search results have only those products that a logged customer is authorized to see. This is a common request for B2B solutions with a large and sophisticated product and customer models. Many manufacturers and suppliers want to provide exclusive or restrictive access to products for particular partners. Such an approach reduces the number of incorrect or incomplete orders and makes navigation easier. In this article, we are discussing in detail how to support product whitelisting/blacklisting per customer in SAP Commerce Cloud for large product sets and large customer base. We also present our solution and possible alternatives. The tests showed that the solution is capable to process millions of documents, tens thousands of customers and millions of access rules saying what product is blacklisted/whitelisted for what customer. Read More »