Problems of Decentralization

I once attended a presentation on military wargaming. The lecturer presented a tale that deserves repeating here. It seems that the military had built a huge networked system that allowed simulation of large combined arms operations. Officers at different bases all over the country, representing different services, could participate in a large simulated operation. The processing of each unit's actions was carried out locally, and then distributed to the other units across the country via the network. The simulation presented beautiful 3D camera views of any location on the battlefield. Our lecturer was presenting videotapes of some of those camera views.

Decentralized computing has many advantages to recommend it, ...

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