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Scalable VoIP Mobility by Joseph Epstein

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5.0. Introduction
This chapter provides an introduction into wireless local area networking based on Wi-Fi, also known by its more formal standard name of IEEE 802.11. The goal of the chapter is to provide a solid background on Wi-Fi technology, looking at what needs to be done to ensure that wireless local area networks operate well as both a data network and a crucial leg of voice mobility solutions. This chapter is aimed for readers with all degrees of familiarity with wireless networking. Although not a reference on all things Wi-Fi, the chapter starts with the basics of Wi-Fi before diving into what makes voice unique over this particular type of network.
Appendix to Chapter 5. Wi-Fi
5A.1. Introduction
I have often been asked about the “whys” ...

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