"When we speak of enterprise mash-ups, composite applications and software as a service (SaaS), it’s easy to forget that you actually need infrastructure behind the user experience to make it happen," says Gordon Van Huizen (pictured) in this exclusive Q&A with SYS-CON Media's SOAWorld Magazine. SOA middleware is among the fastest growing segments of the software industry, Van Huizen notes, adding: "I believe that the increased interest in Web 2.0 and Rich Internet Applications will drive the growth of middleware faster than EAI did."