Are the Discovery Components Done Enough?

[SitG Admin]

>There's a significant camp of people that believe this information 
>should be included in DNS.  There's also a significant group of 
>people who believe it could be located an XRD file (or, "on the 
>web").

What if the discovery document says "E-mail this autoresponder address."?

Should all discovery (in OpenID) be able to take place over the 
HTTP/HTTPS protocol, or will it be flexible enough to accept plugins 
for extending the base discovery method?

-Shade