Technological Districts and Competitive Clusters: two solutions for regional development? How to support the firms/SMEs working in them, through innovative technological services or traditional collaborations, assuring the regional and local growth. Analysis of two specific cases: the Canavese Technological Distric (Piedmont- Italy) and the SCS (Secure Comunicative Solutions) Competition Pole (PACA - France). The impact of different collaborations with public bodies.