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Thread, TLV Formats, MLE message base command types, MLE Overview, Mesh…
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MLE Overview
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- 协商 2 个线程设备之间的不对称子父绑定:
a. 子节点从父节点获取初始网络操作参数及其后续更新。
b. 子节点作为网络路由路径上的下一跳路由器向父节点发送和接收 IP 数据包。
c. 当 Parent 代表 Child 执行网络操作时,Child 通过花费较少的自身资源(例如,功率、内存或带宽)来实现网络访问.
- 通过以下方式允许 Thread Routers和 (REED) 参与 Thread 路由协议:
a. 形成Thread网络分区
b. 参与Leader的选拔
c. 交换路由成本并确定路由路径。
- 在配网和非配网状态下发现 Thread 网络和 Thread 设备。
- 参与链接指标协议以评估和量化线程链接的质量和性能。
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Child Link Communication
Child Update Messages
To modify its mode, timeout duration, link configuration, and/or address registration(s).
After resetting, to verify its address assignment and obtain its Parent's frame counter(s) and current network data.
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Attaching to a Parent
- Routers and REEDs unicast Parent Response
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- Child unicasts Child ID Request.
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- Parent unicasts Child ID Response.
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- Child multicasts a Parent Request.
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