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Technically speaking, it is possible to use an approach similar to IDN to provide a flat namespace without actually making the root zone itself flat. Namely, an
by lifthrasiir 2y ago
Technically speaking, it is possible to use an approach similar to IDN to provide a flat namespace without actually making the root zone itself flat. Namely, an arbitrary TLD .abcdefgh can be translated to .xx--abc.def.gh--yy internally if .abcdefgh itself results in NXDOMAIN. Each level would then have less than 10^5 labels at worst.