An apparatus, method and computer program product for guaranteeing network client-server response time while providing a way of putting the client on-hold when the response time temporarily prohibits access to the requested server. The apparatus is implemented within an interface unit connecting a plurality...http://www.google.de/patents/US7836191?utm_source=gb-gplus-sharePatent US7836191 - Apparatus, method and computer program product for guaranteed content delivery incorporating putting a client on-hold based on response time