The present invention relates to network communication systems for managing client/server connections in a wireless environment. In accordance with the invention, a mobile communication unit (ie., client), deploys keep alive packets at selected times in order to reset a keep idle timer of a server (e.g.,...http://www.google.es/patents/US6212175?utm_source=gb-gplus-sharePatente US6212175 - Method to sustain TCP connection
