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Subject: Re: [ws-rx] i125
Paul Fremantle wrote: > I've been looking again at 125 - (i125 Protocol precondition requires > knowledge of policies > http://docs.oasis-open.org/ws-rx/issues/ReliableMessagingIssues.xml#i125). > > Firstly, I think this is a leftover from when the spec allowed an RMS to > start a sequence without a CS/CSR. If you look at the March 2003 spec, > where that is possible, it has this precondition in it. > > Note that the preconditions are "prior to the processing of the initial > sequenced message". > > So I propose that we replace the current pre-conditions with this: > > The correct operation of the protocol requires that a number of > preconditions MUST be established prior to the processing of the initial > sequenced message: > * For any single message exchange the RM Source MUST have an endpoint > reference that uniquely identifies the RM Destination endpoint. > * The RM Source MUST have successfully created a Sequence with the RM > Destination. > * The RM Source MUST be capable of formulating messages that adhere to > the RM Destination's policies. I think this is an improvement over what we have. I certainly like the wording above, which talks about 'formulating messages that adhere to the RM destination's policies' rather than a blanket: RMS must know RMD's policies. > * If a secure exchange of messages is required, then the RM Source and RM > Destination MUST have a security context. >
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