Re: 63/67 characters? Was RE: [wg-c] Consensus vote - "no" onprocedural grounds

[Rick H Wesson <wessorh@ar.com>]

Karl,

the only other limitation is that the sum of all labes and dots [fqdn]
must be less than 255 bytes, i think that this is an OS limtation.

-rick

On Sat, 11 Dec 1999, Karl Auerbach wrote:

> 
> > >         This expansion to 67 characters ...
>  
> > 1)  This has not been implemented yet by NSI...
> 
> Huh?  63 characters is RFC specified limit on the size of a "label" (a
> chunk between a pair of dots, including the implicit dot representing the 
> root) in a domain name name.  It has been that way ever since "the
> beginning".
> 
> The lesser limitations are merely an administrative convention - I've
> personally run with many third level names that are near or at the 63 byte
> limit.
> 
> Perhaps there is some implementation restriction in "bind" that imposes a
> limit more restrictive than the RFC and pertains only to SLD names.  But
> I'm not aware of such an additional restriction in the code.
> 
> 		--karl--
> 
>