That already took place between 1991-1994 and 1996-1999.They were de-facto independent. The first experience carried to disapearance as informed of some 20000 ethnic Russians in these lands.The second period (nearly no Russians rested there) was concluded by their invasion into Daguestan rejected by some Russian unorganized regular troops and Daguestan militias created immediately. They didn't utilize their possibilities.
they utilize their possibiliteis, and it is enought reason to do small extermination for them in their own country ?
As to independence de-jure, what about East Ukrain in this case, Sisdnestrial Republic, South Osetya, Abhasya, North Cyprus, Vasconia, Corsica etc., etc.?
plebiscite, give citizens of this regions law to vote and decide where they prefere to live, Russia/Ukraina Georgia/Russia ...