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Troops operating in forward locations without telecommunication infrastructure often rely on a mobile ad hoc network (MANET) to communicate and share data. The communication devices troops use on foot or in vehicles double as nodes on the mobile network. A constraint with current MANETs is they can only scale to around 50 nodes before network services become ineffective. For the past 20 years, researchers have unsuccessfully used Internet-based concepts in attempts to significantly scale MANETs.
DARPA is exploring new technologies unencumbered by Internet Protocols (IP) that could be the key to enabling large MANETs. Although the Internet facilitated far-reaching technical advances, in this technology area the Internet may be the roadblock. The MANET scaling goals will not be satisfied with incremental improvement using existing protocols and concepts. Truly revolutionary ideas will explore new paradigms that allow users to effectively share information unshackled from existing constraints.
“A MANET of a thousand nodes could support an entire battalion without the need for manual network setup, management and maintenance that comes from ‘switchboard’-era communications,” said Mark Rich, DARPA program manager. “This could provide more troops with robust services such as real-time video imagery, enhanced situational awareness and other services that we have not yet imagined.”
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