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Subject: Re: [soa-rm] Re: Autonomous Services?
This is coming from John, not his wife!!! Damned Comcast / Thunderbird mail
client problem that I am wrestling with currently....
john
meggan hardin wrote:
> My assumptions (so far) about the central metadata concepts have been
> that the reg/rep holds this data. Are we delving to the level of
> defining specific types of resources / components that should be
> included in a major component such as the reg/rep? I think that the
> concept of storing semantic metadata as an independent integration
> reference point is important enough to be included in the RM.
>
> FWIW - Contivo terms the semantic metadata repository the "enterprise
> vocabulary"...
>
> john
>
> Smith, Martin wrote:
>
>> Violent agreement.
>>
>> martin
>> ________________________________
>>
>> From: Schuldt, Ron L [mailto:ron.l.schuldt@lmco.com]
>> Sent: Fri 4/29/2005 6:39 PM
>> To: Smith, Martin; Sharma, Sameer; Duane Nickull;
>> john@crossconnections.ws
>> Cc: ebSOA OASIS TC; soa-rm@lists.oasis-open.org
>> Subject: RE: [soa-rm] Re: Autonomous Services?
>>
>>
>>
>> Sameer will correct me if I'm wrong, but I believe that his intent was
>> to include the notion of central metadata within a "Reference
>> Architecture" not the Reference Model. Appendix B is the place where
>> example use cases would be defined. I suspect that Sameer might be
>> willing to submit an example use case.
>>
>> Ron Schuldt
>> Senior Staff Systems Architect
>> Lockheed Martin Enterprise Information Systems
>> 11757 W. Ken Caryl Ave.
>> #F521 Mail Point DC5694
>> Littleton, CO 80127
>> 303-977-1414
>> ron.l.schuldt@lmco.com
>>
>>
>> -----Original Message-----
>> From: Smith, Martin [mailto:Martin.Smith@DHS.GOV]
>> Sent: Friday, April 29, 2005 4:19 PM
>> To: Sharma, Sameer; Duane Nickull; john@crossconnections.ws
>> Cc: ebSOA OASIS TC; soa-rm@lists.oasis-open.org
>> Subject: RE: [soa-rm] Re: Autonomous Services?
>>
>>
>> Sameer - -
>>
>> Let me practice being Matt <g>:
>>
>> The term " 'central' metadata" presumes a specific implementation
>> strategy and should not be in the RM. Perhaps "metadata associated with
>> the service should be available in the environment." Now in my example
>> SOA for Appendix B, I'll probably show a UDDI services directory, or
>> maybe a combo registry/repository that can in fact store all the
>> description metadata.
>>
>> Martin
>>
>>
>>
>> -----Original Message-----
>> From: Sharma, Sameer [mailto:sameer.sharma@lmco.com]
>> Sent: Friday, April 29, 2005 2:16 PM
>> To: Smith, Martin; Duane Nickull; john@crossconnections.ws
>> Cc: ebSOA OASIS TC; soa-rm@lists.oasis-open.org
>> Subject: RE: [soa-rm] Re: Autonomous Services?
>>
>>
>> My feeling is that some of what you are alluding to might be covered by
>> UDDI,
>> however as is happening in an instance of SOA deployment that I am
>> involved
>> in - UDDI by itself is not going to be sufficient to express all the
>> metadata
>> that is needed for a client to successfully and contextually interpret
>> all
>> that a Web Service does.
>>
>> My attempted solution is to capture this additional metadata by
>> leveraging
>> central metadata services of my enterprise. I guess what I am saying is
>> that
>> the concept of "central metadata" might be a valid candidate as a
>> component of
>> the Reference Architecture we are considering.
>>
>> Since I was unable to participate in the F2F, (due to some last minute
>> commitments that I got called into), if this topic was discussed, please
>> accept my apologies for bringing it up again.
>>
>> Thanks!
>>
>>
>>
>> L
>> Sameer Sharma
>> Principal Applications Architect
>> Lockheed Martin Corporation
>> Chief Technology Office (CTO)
>> 12506 Lake Underhill Road - MP 166
>> Orlando, FL-32825
>> Tel: (407) 306 5640
>> Fax:(407) 306 1392
>>
>> -----Original Message-----
>> From: Smith, Martin [mailto:Martin.Smith@DHS.GOV]
>> Sent: Friday, April 29, 2005 1:38 PM
>> To: Duane Nickull; john@crossconnections.ws
>> Cc: ebSOA OASIS TC; soa-rm@lists.oasis-open.org
>> Subject: RE: [soa-rm] Re: Autonomous Services?
>>
>> Folks - -
>>
>> On my way home from N'awlins Wed night, I had a thought on this
>> discussion.
>>
>> I think we expect services in an SOA to be independent of the kind of
>> shared contextual knowledge we usually presume within a local computing
>> environment. We expect that the requesting service will be able to
>> obtain all the info it needs to use the responding service successfully
>> by processing the responding service's description metadata. I do think
>> this is a core characteristic of SOA services.
>>
>> I'm not suggesting we reinstate the use of the word "autonomous" as a
>> handle for this concept since it demonstrably caused confusion at the
>> f2f. If we need a handle, perhaps "self-sufficient" or
>> "self-documenting" or "introspective" (naaah - forget that one.)
>>
>> Martin
>>
>>
>>
>>
>> -----Original Message-----
>> From: Duane Nickull [mailto:dnickull@adobe.com]
>> Sent: Friday, April 29, 2005 12:43 PM
>> To: john@crossconnections.ws
>> Cc: ebSOA OASIS TC; soa-rm@lists.oasis-open.org
>> Subject: [soa-rm] Re: Autonomous Services?
>>
>> We discussed and the submitter withdrew the submission pending
>> clarification on exactly what is meant by Autonomous nature WRT
>> services. It may be re-submitted and probably will however we do not
>> have consensus on it at present.
>>
>> Duane
>>
>> john c hardin wrote:
>>
>>
>>> Duane and SOA-RM group -
>>> Can someone enlighten the members of the eb-soa group regarding a
>>> description of Autonomous Services? Any resulting conversations from
>>> the meetings this week, on the subject of Autonomous Services would be
>>
>>
>>
>>> good also.
>>>
>>> thanks
>>> john
>>>
>>
>>
>> --
>> ***********
>> Senior Standards Strategist - Adobe Systems, Inc. - http://www.adobe.com
>> Vice Chair - UN/CEFACT Bureau Plenary - http://www.unece.org/cefact/
>> Adobe Enterprise Developer Resources -
>> http://www.adobe.com/enterprise/developer/main.html
>> ***********
>>
>>
>>
>>
>>
>>
>
--
~~~~~~~~~
john c hardin
Chair, OASIS ebSOA Technical Committee
http://www.oasis-open.org/committees/tc_home.php?wg_abbrev=ebsoa
313.279.1377 new *VONAGE* number
mailto:john@crossconnections.ws
"The new electronic interdependence recreates the world in the image of a global
village."
Marshall McLuhan, "Gutenberg Galaxy", 1962
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