Testing the links between ERP packages and other corporate software links that have to be building on a ______________ basis.

Enterprise resource planning (ERP) is the integrated management of main business processes, often in real-time and mediated by software and technology. ERP is usually referred to as a category of business management software—typically a suite of integrated applications—that an organization can use to collect, store, manage and interpret data from many business activities.
ERP provides an integrated and continuously updated view of core business processes using common databases maintained by a database management system.