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Subject: Re: FW: [ws-rx] POSSIBLE NEW ISSUE: WS-RX policies not manifested onthe wire
Ashok: For what it is worth, I noted this as a potential issue for interop testing. If your assumptions are correct, figuring out how declared QoS properties for a given sequence constrain the actors is something to at least discuss as per your email. Cheers! Duane Ashok Malhotra wrote: >Please send issue template. > >I'm must say that I'm a bit ticked that a note that has >POSSIBLE NEW ISSUE in the heading gets completely ignored. > >All the best, Ashok > > > > >>-----Original Message----- >>From: Ashok Malhotra [mailto:ashok.malhotra@oracle.com] >>Sent: Monday, July 25, 2005 2:01 PM >>To: wsrx >>Subject: [ws-rx] POSSIBLE NEW ISSUE: WS-RX policies not >>manifested on the wire >> >>Issue 9 asks whether WS-RX should define policy assertions to >>define various kinds of QoS properties for a message >>sequence. This certainly seems like a good subject for >>discussion and I don't mean to prejudge how the WG will >>decide this. What worries is something related. >> >>There is a tacit assumption that WS-RX policies will follow >>WS-Policy (latest public version Sept. 2004). This >>specification does not state explicitly how to tell whether a >>message conforms to a particular policy. >>The assumption is that one can examine the headers in the >>message and tell what policy is being followed. Thus, the >>effect of policies is manifested on the wire. >> >>But neither the suggested QoS assertions nor the existing >>WS-RX assertion declares the retry-interval etc. will appear >>as message headers. So, how do we tell what policy is being >>followed? Clearly, some other mechanism is needed. One way >>is for messages to carry the URI of the policy they adhere >>to. Another is to define headers in the start-sequence and >>sequence-started messages that indicate policy information. >>I'm sure folks can come up with other good suggestions. >> >>All the best, Ashok >> >> >> >> >> > > >
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