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Subject: Re: [soa-rm] Opacity calumny


and even though it is described, there is no way to force a potential 
consumer to read it.

D

Ken Laskey wrote:

> I think there will be a constant give-and-take between providers and 
> consumers, between what providers want to show (and their complaints 
> about the cost of showing things and maintaining what they are forced 
> to show) and what consumers want to see (e.g. product labeling 
> requirements).  Some of this, in particular the information shown, the 
> semantics of the information and possibly the automated means to 
> evaluate the information, will likely (assuming there is widespread 
> SOA adoption) be the subject of laws and regulation.
>
> For our work, I think it is enough to note
> - information will be exposed through metadata;
> - the links to a/c/p and, if applicable, evaluation engines will be 
> part of metadata;
> - for greatest use, there should be standard ways of describing a/c/p 
> and metadata associated with a/c/p so as to facilitate the greatest 
> possible automated use.
>
> What is described through a/c/p and what specific metadata is needed 
> are business/implementation issues.
>
> Ken
>
> At 05:43 PM 7/11/2005, Duane Nickull wrote:
>
>
>> Ken Laskey wrote:
>>
>>> So what of this is appropriate for the RA? <SNIP>
>>
>>
>> I was under the impression we had loose consensus that "services 
>> control their level of opacity", however that wording doesn't really 
>> make any sense since the abstract concept of a service can't do 
>> anything.
>>
>> Perhaps a non-normative sentence indicating that a service may keep 
>> all its implementation detail obscured from any potential service 
>> consumers yet implementors may elect to disclose an appropriate level 
>> of detail to allow services consumers to determine if a particular 
>> service matches their requirements.
>>
>> Duane
>
>
> -- 
>      
> --------------------------------------------------------------------------------- 
>
>   /   Ken 
> Laskey                                                                \
>  |    MITRE Corporation, M/S H305    phone:  703-983-7934   |
>  |    7515 Colshire Drive                    fax:      703-983-1379   |
>   \   McLean VA 22102-7508                                              /
>     
> ---------------------------------------------------------------------------------- 
>
>
>


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