As a part of phase 3 of the IIN vision, AON technology provides various message processing and routing services, expanding packet-based networking to also include application message-based networking. Applications, integration, and infrastructure managers need to be aware that certain functions now handled by applications and application infrastructure, such as message transformation, security, or message routing, will increasingly be handled within the network.
http://www.cisco.com/en/US/products/ps6438/products_white_paper0900aecd802c2010.shtml
