Gartner, the US-based research and advisory firm publishes its latest market research report on Application Delivery Controllers. According to the report, this market continues to be very innovative as new application-centric buyers are emerging to drive change in the market, including changes in deployment, pricing and the overall vendor landscape for application delivery.
Read more here - http://blogs.gartner.com/andrew-lerner/2015/10/07/application-delivery-controller-magic-quadrant-2015/