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Access Networks and Physical Media
Access networks are the physical links(S) that connect an end systems to its edge router. Which is the first router on a path from the end systems. The access networks thus provides the infrastructure to connect the so called customer premises into the network infrastructure. Figure 2.3 shows several types of access links are highlighted in thick shaded lines.
figure Access Network
802.11 Architecture ESS (Extended service set) two or more BSSs with APs connected through a distribution system (wired LAN) in an infrastructure network
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