[CentOS] Blasphemous? any support for a REPO of current edition BIND, et al (e.g., BZ561299)?

On Wed, Feb 2, 2011 at 12:14 PM, Karanbir Singh <mail-lists at karan.org> wrote:
>
> btw, if you were to go down that route, the CentOSPlus repo would be a
> great place to host such a package :)
>
> One of the best advantages of CentOS is that we're not tied down to the
> EL codebase in any repo outside the [os] and [updates]

Is one expected to support all of the archs?

If not, which set is the minimum to be considered for contribution?