- From: Ashok Malhotra <ashok.malhotra@oracle.com>
- Date: Fri, 11 May 2007 05:17:27 -0700
- To: "David Orchard" <dorchard@bea.com>, "public-ws-policy@w3.org" <public-ws-policy@w3.org>
Note that 2 requires additional information, namely, all the assertions/behaviors in the closed world. How is this information conveyed to the policy engine? All the best, Ashok > -----Original Message----- > From: public-ws-policy-request@w3.org [mailto:public-ws-policy- > request@w3.org] On Behalf Of David Orchard > Sent: Thursday, May 10, 2007 2:11 PM > To: public-ws-policy@w3.org > Subject: Revised positions for closed/open world assumptions > > > Here's my revised estimate of the positions: > > Overview > There are roughly 3 positions that may be taken on the issue of the > meaning of assertions in alternative(s). > > 1. AIN Vocabulary flavour: > Any behaviour not implied by an assertion that is in a vocabulary should > not be applied (Roughly original chris proposal) > > No proponents. No further elaboration planned. > > 2. AIN Closed world flavour (revised MSFT/IBM proposal): > Any behaviour not implied by an alternative must not be applied. Any > behaviors implied by assertions in an alternative must be applied. > > Questions: > 1. Is it OK to omit Ignorable="true" Assertion? > 2. Is it OK to omit Optional="true" Assertion? > > Pros > This ensures that a provider will provide a "complete" description of > the behaviors and thus guarantee interop including optional/ignorable. > > Cons > Pending questions, may limit providers ability to apply behaviors. > > 3. AIN Removal (open world): > Any behaviour not implied by any assertions in an alternative may or may > not be applied. Any behaviors implied by assertions in an alternative > must be applied. > > Pros > Perception of "simpler" specification. Allows service fuller control > over application of behaviors. > > Cons > Provider might not provide "complete" description. Interop is > guaranteed but optional and/or ignorable behaviors may be missed by > clients. > > Cheers, > Dave >
Received on Friday, 11 May 2007 12:18:42 UTC