Will wireless networks ever replace hard-wired networks? If we look at history, the answer is a qualified yes. Radio replaced the telegraph, satellites replaced undersea cables, portable phones replaced wired units, and cellular phones will replace them all.
But examine what has happened to television broadcasting. It started out wireless, but reception issues encouraged urban users to switch to cable systems. It was too expensive to string cable in rural areas so satellite dishes began to appear. In recent years, digital satellite systems have given cable operators a run for their money. Now cable has become the preferred medium for digital television networks. Are there any lessons to be learned here? You bet.
Hard-wired systems are more reliable (when they are intact). Satellite television reception is degraded during heavy rain or snow storms.
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