Contents
Chapter 1. The Need for Controller-Based Wireless Networks
Why Wireless LAN Controllers Were Created
Why You Need to Use a Wireless LAN Controller
Controller-Based WLAN Functional and Elemental Architecture
Autonomous AP Issues and the WLC Remedy
Problem: WLAN APs Are Difficult to Deploy
Problem: Infrastructure Device Configuration and Scaling
Problem: Autonomous AP Costs for Configuring Each AP
Problem: Autonomous AP Costs for Keeping Each AP’s Software Up to Date
Problem: RF Expertise and Configuration Challenges
Mobility Applications Enabled by Controller-Based WLANs
WLANs Do Not Provide the Performance and Robustness Needed for Use as a Primary Access Network
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