This document provides an introduction to IBM WebSphere Application Server and how it relates to several Lotus products. It explains that WebSphere Application Server is an application server platform that provides a robust and scalable environment for running applications like Lotus Connections, Sametime, Quickr services for WebSphere Portal, and WebSphere Portal. The document discusses the benefits of WebSphere Application Server and why some Lotus products are built on this technology to take advantage of its performance, security, scalability and standards compliance.