The content-aware application switch and methods thereof intelligently switch client packets to one server among a group of servers in a server farm. The switch uses Layer 7 or application content parsed from a packet to help select the server and to schedule the transmitting of the packet to the server....http://www.google.co.uk/patents/US8122146?utm_source=gb-gplus-sharePatent US8122146 - Intelligent switching of client packets among a group of servers
