Apple has a strong desire to deploy a real working solution to the problem of internationalized domain names in the near future. We feel that it is in the industry's best interest to have agreement on a simple, clear solution to the problem which can leverage existing technologies as much as possible. We are also concerned that the process of coming up with a solution has been slowed down because of concerns of potential problems without any real analysis to indicate that such problems will actually occur.
Apple is also aware that there are periodic calls for interconversion between simplified and traditional Chinese (as an analogue to case-folding in Western scripts) to be included in internationalized domain names. We would like to encourage a formal publication from W3C on the subject explaining the difficulties and drawbacks of such functionality and why it is not being considered for inclusion at this time.