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LOCALIZED MULTICAST IN A LOW POWER AND LOSSY NETWORK BASED ON RANK-BASED DISTANCE
LOCALIZED MULTICAST IN A LOW POWER AND LOSSY NETWORK BASED ON RANK-BASED DISTANCE
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机译:基于基于秩距离的低功耗和有损网络的局部多播
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摘要
In one embodiment, a method comprises: identifying, by a low power and lossy network (LLN) device in a low power and lossy network, a minimum distance value and a distance limit value for limiting multicast propagation, initiated at the LLN device, of a multicast data message in the LLN; and multicast transmitting, by the LLN device, the multicast data message with a current distance field specifying the minimum distance value and a distance limit field specifying the distance limit value, the multicast transmitting causing a receiving LLN device having a corresponding rank in the LLN to respond to the multicast data message by: (1) determining an updated distance based on adding to the current distance field a rank difference between the receiving LLN device and the LLN device, and (2) selectively retransmitting the multicast data message if the updated distance is less than the distance limit value.
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