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#Discussion(IoTStack) [ via IoTForIndiaGroup ]
As for every other mechanism also for firmware over the air updates there lot of similar functionalities being used by other domains and mixed sometimes which leads to misunderstanding and wrong expectation, typically on customer side. Following some examples:
OTA – over the air – the root concept for all following concepts, describes typically only the configuration over the Air Firmware over the air – wikipedia
OTASP – over the air Service Provisioning – a concept located in the world of cellular provider describing a technique how to enable services to the customers without having access to the device. Described in detail in Wireless Telecommunications Networking with ANSI-41
OTAP – over the air Provisioning – describes a technique to manage access points and provide configuration data to them. More Information at Understanding over the air Provisioning
Update Techniques
While transferring the firmware over the air is not the only job of a firmware update mechanism, we want to take a short look on the general firmware update techniques. In the field you will typically see two main techniques, binary replacement or binary patching. Both are described below more detailed.Binary replacement
Binary patching
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