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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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