Etymology: earlier, therapeutic rubbing of the limbs, from Middle French, from Latin friction-, frictio, from fricare to rub; akin to Latin friare to crumble, and perhaps to Sanskrit bhrīṇanti they injure. There is a lot of friction between, enemies.
1: Can be understood as any condition where two or more, known or unknown components of a system converges in a state-of-flow, therefore is not an impact, neither a single approach. The reaction on each one of the components of this system is a loose and a gain on the same time. Nevertheless the friction can trigger a stop on the trajectory of components, this stop condition depends more on the previous behavior of the components than the friction per se. Therefore, is possible to relate the term friction, to a war-condition between two countries, the resulting blisters of pulling a rope, or just the living-condition of hi-density places, all connected to friction in different scales and levels. friction may be related to the Machinic phylum in the development of the system after a friction occurs.
2: A logistic system capable of handling a train supply is subject to friction in the form of machine breakdowns, congested roads, shortages and delays. Friction dominates wartime logistics to such an extent that most supply networks built up to the present day have broken down under its weight. In particular, the main source of friction in warfare, the independent will of the enemy, manifests itself in the form of sabotage and interdiction, that is, activities aimed at the deliberate destruction of parts of a network, This fact makes the survivability of a system, once some of its parts have been destroyed, the problem of paramount importance. Because the creation of computer networks capable of surviving a nuclear attack involved the complete decentralization of traffic control, it is not surprising the military first experimented with these ideas using civilian networks, adopting its lessons only later, when they have become less threatening to its rigid hierarchy.
(luis fernando odiaga, 26/11/07)
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