What are the advantages and limitations of autonomous access points?

What will be an ideal response?

Autonomous access point architectures have several advantages. As the foundation of WLANs for several years they have matured to include a strong array of features, including QoS, wireless VLANs, and other options. In addition, the growth (scalability) of a distributed WLAN architecture using autonomous APs is straightforward and virtually unlimited: to add
more capacity to the WLAN all that is needed is to add more APs. This allows for a WLAN
to start small and grow in manageable increments. In addition, because all of the intelligence
is in the AP there are no other devices that must be added.
Yet because each autonomous AP is essentially independent, each AP must be separately configured, managed, and maintained. Each AP operates as a separate node that is configured
with its own unique settings (such as channel number and power settings), leading to coordination problems. For example, when an autonomous AP hears another AP on the same
channel, it cannot determine if that AP is part of the same network or if it belongs to another
neighboring network. Adding a new AP to a larger existing WLAN may require significant
configurations to multiple APs.