The Zigbee protocol stack includes a network layer (NWK) and an application layer (APS). Additional components include a security service provider, a ZDO management plane, and a Zigbee device object (ZDO). The structure of the stack illustrates genuine simplicity over the more complex but feature filled Bluetooth stack.
Zigbee protocol stack and the corresponding simplified OSI model as a frame of reference.
The NWK is used for all three principal Zigbee components (ZR, ZC, ZED). This layer performs device management and route discovery. Additionally, since it administers a true dynamic mesh, it is also responsible for ...
