On Apr 30, 2007, at 5:38 PM, Francois Audet wrote:
-----Original Message-----
From: Dean Willis [mailto:[EMAIL PROTECTED]
What I think we need is something that says "I do not like
your scheme. Here's a list of alternatives that I prefer."
You can send 3XX with the scheme(s) you support.
That's what the document currently describes.
The problem I see, and I may just be imagining this, is that there's
no way for the receiver of a 302 to know whether it means
1) The party you have called cannot be reached, please try this other
party.
or
2) The mechanism (scheme) you have chosen to use cannot be used right
now. Please try this other mechanism.
or
3) You need some additional parameters to reach the party you have
selected along with the scheme you have selected.
There are heuristics that might apply. For example, if the only
difference between the R-URI of a request and the Contact of a 302
response is in the scheme, then we probably have a scheme change.
But with all the parameters appearing on R-URI, that's not a really
solid heuristic.
--
Dean
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