11 July 2013

Build Your Own Internet With Mobile Mesh Networking

Technology Review (07/09/13) Tom Simonite 

Flinders University researchers have developed Serval, an app that creates a mesh network, enabling nearby phones to link up using their Wi-Fi connections, as long as they have been modified to disable the usual security restrictions. Serval enables voice calls, text messages, file transfers, and more to take place between devices, even if they are not in range of one another to communicate normally. "We're trying to dramatically increase the usability and take this out of the geekosphere," says Commotion Wireless project leader Sascha Meinrath. The project is developing several software packages that enable people to create mesh networks using low-cost Internet and networking hardware. The networks offer free Internet access by extending the reach of free connections offered by community centers, as well as Web services and apps that function only within the local mesh. The Commotion Wireless project also is developing mesh software for people that cannot use conventional connectivity because it is not safe, such as political dissidents. The researchers are adapting an encrypted chat program called Cryptocat so it can be used to communicate securely across a local mesh network.

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