WebSphere ESB is a flexible connectivity infrastructure for integrating applications and services. It allows the development of an SOA. WebSphere ESB powers the SOA by reducing the complexity of integrating the applications and services. WebSphere ESB is ideal if you have other solutions on WebSphere Application Server, WebSphere Portal, or the BPM platform. You may achieve efficiencies in skills, cost, and time-to-value across middleware products by adding WebSphere ESB to your standards-based IT environment.