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Subject: Re: [soa-rm-ra] Comments on Visibility

I have expanded the phone book example for simple and
complex discovery and I have also added a line to
Mediated Discovery about the mediation of metadata
vocabularies.  Mediation benefits is now qualified to
large and dynamic numbers of potential service
consumers and services. 


--- Ken Laskey <klaskey@mitre.org> wrote:

> For the three discovery patterns (simple, complex,
> mediated),  
> consider expanding the phone book example.
> - You have simple discovery with a personal phone
> book where you keep  
> contact information you have become aware of and
> feel is important.
> - A project or business unit often has a contact
> sheet of project  
> participants/unit members for a limited but
> nontrivial number of  
> individuals -- akin to the complex discovery
> - A large and more disconnected population (ranging
> from a large  
> company to a city) refers to contact information in
> a central  
> directory -- the mediated case
> I think this also works for a service population and
> indicates that  
> you may always have all three levels because they
> address different  
> purposes.  Moreover, the benefits of the mediated
> approach "typically  
> far outweigh[ing] the management issues" may depends
> on the number of  
> services and the needs being addressed.
> Also, when talking about metadata, there may be a
> standard vocabulary  
> or a mediated interaction among known metadata
> vocabularies.
> Ken
> ---
> 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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