This document discusses how web services can be used in supply chain management and logistics. It defines web services as applications available on the internet that enable communication between platforms using standard protocols. Supply chain management is described as the process of manufacturing and distributing raw materials from suppliers to customers, including planning, procurement, manufacturing, storage, distribution, and return functions. Logistics focuses on efficiently moving products to the right place at the right time. The document explains how web services allow supply chain partners to connect and share information in real-time for collaborative planning and visibility of supply chain events. Web services provide an incremental way for companies to collaborate with partners while controlling costs and risks.