January 2018
Intermediate to advanced
524 pages
13h 33m
English
Content preview from Internet of Things for Architects
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Thread addressing
To find a route to a child node, the path simply inspects the high bits of the child's address to find the parent router address. At this point, the source of transmission knows the cost to reach the child as well as the next-hop information to start the route.
Distance vector routing is used to find paths to routers in the Thread network. The upper 6 bits of the 16-bit address indicate the destination router—this is the prefix. If the lower 10 bits of the destination are set to 0, then the final destination is that router. Alternatively, the destination router will forward the packet on based on the lower 10 bits.
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