Patent ID: 8666940

Claim:
A system comprising: programmed computer devices which execute program code to provide a first sub-system and a gateway for offering services provided by the first sub-system to one or more application hosting sub-systems via the gateway and a data communications network between said gateway and said one or more application hosting sub-systems; the gateway and each application hosting sub-system being arranged to permit each application hosting sub-system to initiate a secure and authenticated connection from each application hosting sub-system to the gateway via a non-secure data network connection, and the gateway being logically connected to the first sub-system to enable the services provided by the first sub-system to be provided to each application hosting sub-system via a secured and authenticated connection, the gateway including notification means for initiating an unauthenticated and unencrypted connection to one or more of the application hosting sub-systems and transmitting over this or each such connection a notification for notifying said one or more of the application hosting sub-systems that it should initiate a secure authenticated connection with the gateway when the notification means is requested so to do by any one of the services offered by the first sub-system.