Re: [idn] length restrictions on IDN label

[Soobok Lee <lsb@postel.co.kr>]

Soobok Lee wrote:

> James Seng wrote:
>
> > Let me repeat again,
> >
> > the restriction is octet(ToASCII(X)) <= 63 (sorry, forget the =).
> >
> > The length restriction of a domain name (incidently, UTF-8 encoded 
> > string
> > which looks like domain name is not a domain name)
I cant' agree on your parenthesized claims.  Please look into IDNA draft 
sections
which mention utf8 encoding as alternative encoding  for labels in 
applications
and future protocols and even in future DNS protocols.

Soobok Lee

> > in a DNS UDP packet is
> > something beyond this working group.
> The restriction orginated from RFC1035 affects all  label 
> creation/validations.
> And "octet(ToASCII(X)) <= 63" seems to loosen the restrictions about
> 8bit labels. That is why i think RFC1035 restriction is about to be 
> obsoleted.
>
> > Please bring it to the DNSEXT working  group.
> As a novice IETF pariticpant, I have little experience with DNSEXT WG.
> Would  Area Directors make comment on this issue, Erik ?
>
> Soobok Lee