[Tinyos-devel] [Tinyos Core WG] TEP105: LowPowerListening DutyCycles

[Andreas Koepke]

Philip Levis:
> 
> On May 19, 2008, at 10:12 AM, Andreas Koepke wrote:
> 
>> Should we go ahead and define such an interface?
> 
> The issue here is distinguishing failure cases. I'm leery of defining 
> and interface where FAIL means "not acked," because it does not let the 
> higher layer distinguish "I am broken" from "sure, retry." E.g., CTP 
> would respond very different, with respect to retries and its link 
> estimation, between the lower stack failing and a packet not being acked.
> 
> Phil

Currently the only reason to fail is: "Could not access the medium in 
time", right?