content negotiation for site-meta

[Brian Eaton <beaton@google.com>]

On Thu, Dec 11, 2008 at 11:40 PM, Eran Hammer-Lahav <eran@hueniverse.com> wrote:
> At the /site-meta level, there will be a facility to describe URI mapping
> via a URI template. /site-meta will have a canonical TEXT representation
> (Mark will hopefully push it out soon) instead of the current XML. XRD will
> define an XRD-based version of /site-meta so that a GET on /site-meta with
> Accept: application/xrd+xml will produce an XRD version of the same content
> (or just return the text format).

I'm concerned that this approach will slow or stall deployment of
site-meta because it relies on HTTP features that are not
well-supported in current software.  There are three problematic parts
of the architecture: the web servers, the intermediate caches, and the
clients. =)

I've done a bit of digging and written up my notes here:
http://wiki.oasis-open.org/xri/XrdOne/ContentNegotiation

Cheers,
Brian