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Throughout history, technological innovations have been treated with disdain and violence. It is often felt that innovation causes winners and losers, which in turn causes strife. Many wars throughout history have been related to the changes caused by technical advances in society. Fear and anxiety come from change, which often has led to inaction. This inaction has been detrimental and often deadly. Each time a major societal change occurs, the early adopters benefit in a disproportionate measure from the mid- and late adopters. For this reason, the people that can spot a trend in the initial stages and then take positive action become the winners. Those who fight the change while lagging become the losers. Those who follow the trend without lagging benefit in many ways by consuming what the winner has achieved.

The purpose of this chapter is to enable you to join the winners in embracing the change in trend from physically defined to software-defined, secure communications...