This paper revisits the benefits of centralized
802.11n wireless LAN networks and describes the case for transforming
the controller-based architecture to match market needs. Centralization
of wireless LANs (WLANs) delivers networks that are easy to deploy,
scale, and manage. A local-mode controller-based campus environment
delivers increased device scalability and an interactive multimedia
experience coupled with enhanced policy to manage the full range of
mobile devices. A controller-based deployment using FlexConnect
technology enables multisite, lean branches to manage the increased
scale of deployments without additional increase in operational
complexity.
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This is a great paper that continues the discussion of WLAN architectures and the extent to which the control should be centralized versus distributed.
Of course, this is a fundamental networking concept that has been debated for years. And there certainly is no singular "right" answer.
This discussion from Cisco's perspective certainly would be classified as a "must read," and I hope there will also be some lively discussion around the topic.