System interoperability for next gen services at home. A challenge/opportunity for integration

Interoperability is complex non-functional requirement of any today' system, and it refers the exchanged information. Two systems must offer the possibility to exchange and use the data in order to be named "interoperable", meaning that the message sent must contain data (in a standard coded format) that can be interpreted by the system that will receive it. The next section describes the challenges encounter during the integration activities from the interoperability point of view for the next gen of systems that offer services at home.