Everyone loves references models. From the time I first saw my first ISO model back in the late 80s I feel in love with cute little diagrams that explain very complex topics. Indeed I did my own EAI reference model almost 10 years ago, and a SOA reference model recently. In fact, as I explore new complex topics, it's typically the first thing I do.... Everyone loves references models. From the time I first saw my first ISO model back in the late 80s I feel in love with cute little diagrams that explain very complex topics. Indeed I did my own EAI reference model almost 10 years ago, and a SOA reference model recently. In fact, as I explore new complex topics, it’s typically the first thing I do. Software Development