Why use an ESB

´Ø Integration Styles

´– Batch

´– File Transfer

´– Shared Database

´– Request/Reply

´– Messaging

´l Synchronous

´l Asynchronous

´Ø ESB Advantages

´– Supports all styles

´– Bridges legacy systems

´– Modular architecture

´– Simple and flexible

´– Easy to test and maintain

´– Scalable

´– Can be a step towards