Does a SOA “soft appliance” = an ESB

In my last post I covered some of the key features of a Service Oriented Architecture (SOA) “soft appliance” and how we have manifested those capabilities into a new platform called Intel SOA Expressway. During many early presentations with customers and our first discussions with most analysts, a commonly asked question was “Is this just another ESB?”  This is a good question.  Yet, there has been a standing debate as to what exactly is the definition of a ESB.  For the sake of moving this di