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In the summer of 2008 the Metropolitan City of Rome decided to start a free of charge and public Wi-Fi network to be spread over its 5352 SQ KM territory including Rome and 120 other cities for a total of about 4.5 million inhabitants. The main objective of the project, called ProvinciaWiFi (later renamed WiFi Metropolitano), was to take a decisive step to reduce the existing digital divide by fostering and facilitating the use of ICT by citizens.

From the outset it was decided to commit the project to a completely open philosophy. For this reason a clear choice towards open software and operating systems and the availability of every modification, update and improvement to the community was made. The same approach was adopted for the knowledge and the experience acquired within the project. In order to pursue this goals the Province of Rome called the university consortium CASPUR (later merged in the CINECA consortium) to develop the technical solution. In this context, a research project conducted by the CINECA consortium found its perfect application. This project proposed an innovative methodology for the distribution of networks (more precisely Virtual LANs used for Wi-Fi connectivity) between geographically distant sites.

The software tools, including the OpenWISP 2 network management system and different NetJSON implementations are released to the public free of charge under open-source licenses, hoping this will allow a broader audience to benefit from our work.