An idea for transition principles

Gervase Markham gerv at
Mon Dec 14 20:25:02 CET 2009

On 13/12/09 20:49, Vint Cerf wrote:
> please see:
> Your comments will be much appreciated.


I think this is excellent, but there is one point which might require 
further clarification.

As Shawn has mentioned, client authors need to know how much time must 
elapse before they can/should start switching their software to 
implement IDNA2008 rules.

Would the best approach here to be for IETF/ICANN to canvass the key 
affected registries in order for us to determine the value of a time "S" 
which represents the upper bound on how long they think it will take to 
run the "sunrise" process? After that time, clients can begin to switch. 
Other registries, while retaining full control over their own 
operations, would know that if they did not run sunrise processes which 
completed inside time S, resolution problems of various sorts may result.


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