Thread protocol is a low-power mesh network running on top of 802.15.4 MAC layer and IPv6. Thread is designed for Internet of Things. Thread is also used as one of the transport layers for Matter. The FuzzBox Thread 6LoWPAN Test Suite is a Defensics test suite designed for testing IEEE 802.15.4 6LoWPAN layer of the Thread protocol stack.
Thread 1.1.1 Specification
Part 15.4: Wireless Medium Access Control (MAC) and Physical Layer (PHY) Specifications for Low-Rate Wireless Personal Area Networks (WPANs)
Transmission of IPv6 Packets over IEEE 802.15.4 Networks
Compression Format for IPv6 Datagrams over IEEE 802.15.4-Based Networks