On 06/19/2013 03:10 AM, Alex Elsayed wrote: > Loic Dachary wrote: > >> Hi Ceph, >> > <snip> >> Reed-Solomon coding family is the only one that can keep the chuncks >> unencoded and therefore concatenable. > <snip> > > In my understanding, this is not strictly true - any 'systematic' code will > have the unencoded chunks remain available in this manner, and any non- > systematic linear code can be transformed into a systematic code with the > same minimum distance. Fountain codes are often explicitly constructed to > maintain this property, as in the case of RaptorQ [RFC 6330]. > > https://en.wikipedia.org/wiki/Systematic_code Thanks for correcting my mistake :-) > > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Loïc Dachary, Artisan Logiciel Libre All that is necessary for the triumph of evil is that good people do nothing.
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