The definition of “Optimization” is Finding an alternative with the most cost-effective or highest achievable performance under the given constraints, by maximizing desired factors and minimizing undesired ones.
http://www.businessdictionary.com/definition/optimization.html.
Many of us have experienced a major gap between the expected wireless performance based on theoretical knowledge, and the performance when measured in a real environment.
In the following section, we will review different features and configurations that will drastically improve Wireless performance of your wireless network.