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Real Time Regional Gateway
The Real Time Regional Gateway (RT-RG) is a data processing and data mining system introduced in 2007 by the US National Security Agency (NSA) and deployed during the American military operations in Iraq and Afghanistan. It is able to store, fuse, search and analyze data from numerous sources, from intercepted communications to open source information. It was effective in providing information about Iraqi insurgents who had eluded less comprehensive techniques.
== Development ==
The prototype of the Real Time Regional Gateway (RT-RG) was designed by the military and intelligence contractor SAIC. Instead of storing all data in centralized databases, as was NSA's traditional approach, RT-RG uses distributed computing, which means hundreds or even thousands of individual computers work together on one task.〔
This is managed by the Hadoop software, that was originally developed by Yahoo. The NSA created its own version, called Accumulo, which can manage extremely large data sets and also includes granular access controls. The successor of the Real Time Regional Gateway is named Nexus 7 and is now under development at the Defense Advanced Research Projects Agency (DARPA) 〔
At NSA the driving force behind the system was former NSA director Keith B. Alexander, who initiated a massive search for every piece of electronic information that could be found, after the Iraqi road side bombings reached an all-time high in 2005.〔Washington Post: (For NSA chief, terrorist threat drives passion to ‘collect it all’ ), July 14, 2013〕 Alexander's "collect it all" strategy is believed by Glenn Greenwald to be the model for the comprehensive world-wide mass collection of communications which NSA is supposedly engaged in.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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