Industrialized societies are increasingly dependent on distributed real time systems (DRTS) that are getting more and more complex, dynamic, open, while interacting with a progressively more demanding and heterogeneous environment. In such an scenario, middleware technologies that provide real-time or QoS support are gaining importance, as they ease the development and deployment of complex distributed applications in heterogeneous networks while ensuring certain time and QoS constraints. In this sense, distribution middleware technologies like Data Distribution Service (DDS) have emerged, adding extensive QoS support to traditional middleware advantages. This paper proposes an additional middleware layer on top of DDS, based on components, that provides an easy way to deploy, configure and manage component based distributed applications, considering fault tolerance aspects.