[OpenID] Backwards Compatibility

[Allen Tom]

+1

I'd be very happy to see 1.1 clearly deprecated, and in an ideal world,  
existing 2.0 implementations would already 2.1 compliant.

If anything, I'd like to see things removed from 2.0, such as the DH key 
exchange.

The 2.1 spec should mostly clarify ambiguous portions of the 2.0 spec, 
especially wrt to delegation and directed identity.

Allen



Martin Atkins wrote:
> David Recordon wrote:
>> Hey Carsten,
>> I agree with you.  It's time to make sure that 1.1 is clearly 
>> deprecated and that everyone implements 2.1 once it is completed.
>>
>
> Is there some compelling reason not to make 2.1 a superset of how 2.0 
> is implemented today? (That is to say, not a superset of the spec as 
> written, but a superset of the parts of it that are implemented and 
> the errata.)
>
> I think in an ideal world every existing, well-behaved 2.0 
> implementation would already be a fully-compliant 2.1 implementation. 
> This implies a research-driven approach involving the studying of 
> existing implementations; there should be a high barrier to specifying 
> anything that disagrees with an existing, well-behaved implementation.
>
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