Hi Everyone,
I am using TinyOS 2.1.2. In the TinyRPL implementation there is a function ForwardingEvents.LinkResult [lib/net/rpl/RPLRankP.nc:524] which updates the etx_hop in the parentSet of each node. This function is only called inside the function IPForward.sendDone [lib/net/blip/IPForwardingEngineP.nc:314]. So the link quality between nodes is only updated if a packet is successfully sent. The value is updated with the amount of attempts needed to send it and a certain ratio. But how does the code handle unsuccessful send packets? Does the link quality get updated on a failed attempt? I have been looking into this matter for multiple days but I have not found any indication whether such an update happens. Not in de Blip code nor in the RPL code. BR, Hugo
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