Chapter 5. Network Layer
Introduction
The network layer is located between the MAC layer and the application support sublayer (APS). It provides routing and establishes the ZigBee network topologies: star, mesh, and cluster tree. It starts a network, assigns node addresses, configures new devices, discovers other networks, and applies security. To fulfill these various responsibilities, the network layer offers data services through the network layer data entity (NLDE) and management services through network layer management entity (NLME). It also contains the Network Information Base (NIB) (database), which holds network layer attributes. Figure 5.1 shows the network layer interface as it relates to the MAC layer and the APS.
Figure 5.1 Network ...
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