A network apparatus is provided between a network and a plurality of processing nodes or servers. The network apparatus includes a content based message director (e.g., XML director) to route or direct messages received from the network to one of the processing nodes based upon the application data,...http://www.google.co.uk/patents/US6732175?utm_source=gb-gplus-sharePatent US6732175 - Network apparatus for switching based on content of application data
