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Subject: Returning a complete XRDS in proxy resolution
- From: "Wachob, Gabe" <gwachob@visa.com>
- To: <xri@lists.oasis-open.org>
- Date: Thu, 22 Jun 2006 17:51:23 -0700
I have been playing
with the openxri 1.0.0 proxy code and noticed that when I request a full XRDS
document back, the first XRD inside does NOT correlate to the GCS character
(e.g. "@"), but rather to the first subsegment after the GCS. In an earlier
draft of our specs, we explicitly addressed this issue and the only sensical
thing to do was to include the XRD for the GCS authority (but only when doing
proxy resolution - this is one of the main differences with lookahead/recursive
resolution).
The openxri proxy
seems NOT to return an XRD for the GCS authority and this seems broken to me. I
can't find in the resolution text where this is spelled out so I understand why
it was implemented this way. However, I think an XRDS returned from proxy
resolution MUST include the GCS authority XRD so a client knows exactly
which GCS authority is the root (even if not doing trusted resolution). I'm
assuming this is a fairly trivial change to the openxri proxy
code.
I strongly suggest
we add this language explicilty in 7.6 (in addition to referring to the
requirements of 4.2) for when a client is using XRI proxy resolvers. In
addition, I think we should add this requirement for section 6 (trusted
resolution). While a client doing trusted resolution verification already has to
know about roots it trusts (and therefore can do correlation with the root
authority and the first non-root-authority XRD), I think explicitness and
parallelism to the non-trusted mode are important.
-Gabe
__________________________________________________
gwachob@visa.com
Chief Systems Architect
Technical Innovation and Standards Management
Visa International
Phone:
+1.650.432.3696 Fax: +1.650.554.6817
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