It's a product of itself based on Web services standards, built on top of WebSphere Application Server, ... We've always viewed ESB as a set of patterns and we still do. What we are hearing from the customers is there are certain patterns they like to see brought together and the WebSphere ESB handles that Web services open pattern.  -   Robert LeBlanc     Quotes
It's a product of itself based on Web services standards, built on top of WebSphere Application Server, ... We've always viewed ESB as a set of patterns and we still do. What we are hearing from the customers is there are certain patterns they like to see brought together and the WebSphere ESB handles that Web services open pattern. Robert LeBlanc