Re: [dtn-interest] Re : Re: Question

I should rather say "in addition to" instead of "as opposed to" in the below
> Hi Emmanuel,
>  This looks great to me, thanks for this pointer. Only one scenario comes
> to mind, if it so happens that the expected bundle loss rate, even if for
> brief periods, is underestimated. Such scenarios could perhaps be
> relevant in space as intense disturbances for brief period is more likely
> than a steady noise, and with Tetrys, it would be inefficient to have the
> expected bundle loss rate set at its peak.
>  I am tending to think while Tetrys could be a default scheme running in
> the DTN, DSN, there is needed a scheme that can put out fires
> occasionally?
> Sitaraman
>>
>> Hi Sitaraman
>>
>>> Thanks much for this pointer, it will help me learn this aspect.
>>> In general a question remains that i have, for the group as  whole.
>>> A lot seems to have already been done  and literature and code
>>> available
>>> in FEC and Erasure Codes as has been made available from  the
>>> discussion
>>> on this group  Do these complement or can they replace loss (chunks
>>> of
>>> data compeletely lost so that there is not anything to decode from)
>>> handling mechansims?
>>
>> Concerning this point, you'll find a study that uses such scheme to
>> rebuild lost chunks in "Robust streaming in delay tolerant networks":
>> see http://oatao.univ-toulouse.fr/4111/
>> The erasure coding scheme is a specific elastic-window encoding scheme
>> named Tetrys: see http://websites.isae.fr/tetrys/
>>
>> Emmanuel
>>
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