Similarities
OTA is similar to firmware distribution methods used by other mass-produced consumer electronics, such as cable modems, which use TFTP as a way to remotely receive new programming, thus reducing the amount of time spent by both the owner and the user of the device on maintenance.
Over-the-air provisioning(OTAP) is also available in wireless environments (though it is disabled by default for security reasons). It allows an access point(AP) to discover the IP address of its controller. When enabled, the controller tells the other APs to include additional information in the Radio Resource Management Packets (RRM) that would assist a new access point in learning of the controller. It is sent in plain text however which would make it vulnerable to sniffing and why it is disabled by default.
Read more about this topic: Over-the-air Programming
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