Re: ? Are there LDPC error code lib in Ada ? thanks.

[Daniel Norte Moraes <danielcheagle@gmail.com>]

Em sábado, 23 de fevereiro de 2019 04:49:41 UTC-3, Dmitry A. Kazakov  escreveu:
> On 2019-02-22 23:22, Daniel Norte Moraes wrote:
> 
> >    Main objective is "forward error recover" e.g:
> >    1) try automatic recover data in engine of distributed database before
> > need to ask for retransmission data from nodes
> 
> If transmission errors occur they do not manifest themselves as 
> corrupted data, because the transports already correct these. They do as 
> undelivered data, dropped connections, missed deadlines, lost integrity etc.
> 
> >    2) and auto-recover for data received.
> 
> There is no recovery from non-delivery. You can improve situation using 
> redundant nodes and some sort of consensus in the scenario when some 
> nodes might go offline. Error correcting codes is no help at this level 
> of abstraction (application's OSI).
> 
> -- 
> Regards,
> Dmitry A. Kazakov
> http://www.dmitry-kazakov.de

  Hi! :-)

  Just to heal my doubt:  
  Is Better double the data and verify crc and if one is corrupted (and the other is ok) substitute the corrupted with the good one ?
  It is ok for me, too. I remmenber CouchDb use this aproach. this will simplifly my code, too. :-)

 []'s Grateful, Dani. :-)