January 2018
Intermediate to advanced
524 pages
13h 33m
English
Content preview from Internet of Things for Architects
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Thread routing
Thread uses route-over routing as described in the previous section, on 6LoWPAN routing. Up to 32 active routers are allowed in a Thread network. Route traversal is based on next-hop routing. The master route table is maintained by the stack. All routers have an up-to-date copy of the routing for the network.
Mesh link establishment (MLE) is a method to update path traversal costs from one router to another in a network. Additionally, MLE provides a way to identify and configure neighboring nodes in the mesh and secure them. As a mesh network can expand, shrink, and change shape dynamically, MLE provides the mechanism to reconstitute the topology. MLE exchanges the path costs with all other routers in a compressed format. ...
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