Re: [soa-rm] Architectural Scope of Reference Model

From
Duane Nickull <>
Date
2005-04-21T19:22:10+00:00
ID
Thread
Re: [soa-rm] Architectural Scope of Reference Model
Anders:

This is a good point we have talked about before.  It is really a 
"contract offer" until such time as it is bilateral.

Duane

Anders W. Tell wrote:

> I would suggesto to qualify the term Contract or better yet to replace
> term with other term since in in business and legal domain the contract
> involves two or more parties. This in order to avoid confusion.
>
> Another aspect is the it may be profitable to differentiate between:
>
> a)  technical/functional description of actual characteristics of service
>  (similar to machine specs)
> b)  public statement of existence of a) or parts of a)
>    ( we got this wonderfull machine but we dont offer it yet)
> d)  public statement of offering or availability of a) or parts of a)
> e) agreement between two or more parties involving a) or parts of a)
>
>
> /anders
>
>
> Gregory A. Kohring wrote:
>
>> OK, here is a slightly different view using UML.  In this view
>> metadata is the higher level abstraction, while contract is a more
>> specialized abstraction.
>>
>> -- Greg
>>
>> Duane Nickull wrote:
>>  
>>
>>> Francis:
>>>
>>> Cool!  This is perhaps a place where using UML to avoid ambiguity 
>>> may be
>>> good.
>>>
>>> If I read your diagram, it asserts that "realized as" implies an
>>> "abstract-concrete" association.  I had viewed that the other concepts
>>> are more of a "can be aggregated as part of" association.  My
>>> observation is that usually the abstract-concrete association is often
>>> used for mapping a specific protocol or specification to a concept in a
>>> reference model or reference architecture.
>>> I guess the question we need to consider is "what is the association
>>> between the higher level abstract concept of metadata and specialized
>>> metadata concepts?".
>>>
>>> Anyone care to take a stab at this as a UML class diagram (or answering
>>> the question)?
>>>
>>> Cheers (and beers next week)
>>>
>>> Duane
>>>
>>>
>>>
>>>
>>> Francis McCabe wrote:
>>>
>>>   
>>>
>>>> I prefer the following diagram :)
>>>>
>>>>
>>>> Frank
>>>>
>>>> On Apr 19, 2005, at 9:51 AM, Duane Nickull wrote:
>>>>
>>>>     
>>>>
>>>>> <Drawing1.png>
>>>>>       
>>>>
>
>

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