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Subject: RE: [soa-rm-ra] Management Model section after comments of this week
I think that the only reasonable answer to this problem –
and I realize it’s a real problem – lies in versioning. As a result
of point - to – point negotiation a separate specialized version of
service with the policies required by client can be created. But this will be a
separate version with a separate description and deployment. I do not think (I am sure) service provider CAN NOT accommodate multiple
policies of a same service version. From: Ken Laskey
[mailto:klaskey@mitre.org] re As an example of
alternatives, the service description may identify which versions of
a vocabulary will be recognized, and the specifics of the contract are satisfied when
the consumer uses one of the alternatives[U1] . Another alternative could have a consumer identifies one of
the policys it is they required to satisfy, e.g., a standard privacy policy on
handling personal information, and a provider that is prepared to accept a
policy request would indicate acceptance as part of the service contract by
continuing with the interaction. [U2] In each of these cases, the actions of the participants are
consistent with an implicit service contract without the existence of a formal
agreement between the participants. we need to accommodate interactions between different
participants who may come with independent policies and part of establishing
execution context is resolving policy differences. I know my sponsors
acting as consumers will not have policies dictated. OTOH, they will bog
to a standstill if every resolution requires point-to-point negotiation.
This comes up in discussion but no one has seriously looked at making it
work. The RAF doesn’t have the basis to dictate its solution, but
finding acceptable middle ground is always a challenge to an ecosystem. Ken --------------------------------------------------------------------------- Dr. Kenneth Laskey MITRE Corporation, M/S
H305
phone: 703-983-7934 7515 Colshire
Drive
fax: 703-983-1379 McLean VA 22102-7508 From: Lublinsky, Boris
[mailto:boris.lublinsky@navteq.com] Changing of policy actually changes
contract, so I do not think that you can change/manage policy without managing
service contract. This is still not good: Vocabulary version typically specified
by a service version. In practice a given service version corresponds to a
given vocabulary version. Consumer can’t specify policies,
they are specified by provider. Consumer can only agree on policies dictated by
provider. Stating otherwise is like coming to the store and setting your own
price Manageability of a
service allows controlling the service results, shared and sharable RWE against
the business goals and objectives of the service. [U3] Service results and and RWE are what
service does. How can this be managed? From: mpoulin@usa.com [mailto:mpoulin@usa.com] Folks, I have incorporated all comments
and chnages into attached document. In some places, I have repeated the text
(in different font) just to save and show the comments that I responeded insted
but didn't change the text. I am not sure what tactics we
prefer now - to go through all left comments together in the meeting or for me
to resolve each comment with particular author (in some cases I disagree with
the comment, however). Cheers, - Michael The information contained in this
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