4.5. Addressing Within the Node
The ZigBee addressing discussed so far, PAN IDs, unicasts, groupcasts, and broadcasts, are all about getting data to a node. But ZigBee goes beyond a networking protocol. ZigBee also offers application-level compatibility. To achieve this, ZigBee contains a variety of concepts I'll explain in detail here: endpoints, clusters, command, attributes, and profiles.
Addressing within ZigBee includes all of the following components:
• PAN ID (MAC)
• NwkAddr (NWK)
• Endpoint (APS)
• Profile ID (APS)
• Cluster (APS)
• Command and/or attribute (ZCL)
Take a look at this packet decode for the toggle command. All of the above components are included. The PAN ID is found in the IEEE 802.15.4 (MAC) portion of the frame, the source, and ...
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