Good article with Toufic Boubez's interview.Yahoo! News - Next Phase For Web Services Pioneer: "Layer 7 Technologies"
Everyone is moving towards packaging their solution in a Hardware box and selling it as appliance, then why not web service management/security software.
Its like "Take it to Go" model for Software makers with blend of hardware appliance.
one more important point on this article was "Services orientation is an architectural principle that you can use to build anything, no matter what kind of application or architecture you do", Indeed its how people see SOA and making that useful to business derivatives like Business Process Management.