SAP has acquired Ariba for approximately $4.3 billion to enhance its cloud presence and create a new business network for procurement solutions. The acquisition aims to integrate Ariba’s e-procurement capabilities with SAP’s extensive customer base, addressing gaps in SAP's product offerings and providing a hybrid solution for both on-premise and cloud-based models. The document discusses the pros and cons of both procurement options, provides a recommendation for businesses considering their implementation strategies, and outlines the expected benefits of the integration.