Re: [soa-rm-ra] Views and viewpoints

[Michael Stiefel <development@reliablesoftware.com>]

This seems reasonable.

Would you keep the ecosystem / machine metaphor separate, or incorporate it 
into the ServiceAsBusiness view. You want this metaphor to have meaning so 
grounding it in this view would keep it practical, focused and relevant.

Michael

At 03:34 PM 8/30/2006, Francis McCabe wrote:
>We had a discussion about formalizing a views and viewpoints in the
>face to face; and we had another discussion on the matter during
>today's telcon.
>
>In order for this approach to make sense, it is important to have the
>right number of views; too many and it becomes unwieldy, too few and
>it becomes less useful.
>
> From this point of view (sic), we identified the following major
>views of the RA. The titles of these views are intended to be
>suggestive of the viewpoint; but are not cast in stone.
>
>ServiceAsBusiness view
>   "How are business needs met using SOA?" is the key question.
>   Models in this view would fold existing sections:
>
>   Needs and capabilities
>   Participants
>   Real World Effect
>   Business Processes
>
>Service view
>   "What are services, what support is needed and how are they
>realized?"
>   Models in this view would consist of:
>
>   Service Description
>   Service Visibility
>   Interacting with services
>   Service Transactions
>   Service Composition and Choreography
>
>Security in SOA
>   "How can we be assured of the safety of using services?"
>   Models in this view would include
>
>   Security Threats
>   Security policies
>   Trust model
>   Security enforcement
>
>Deployment of SOA
>   "What does it take to deploy SOAs?"
>   This view would include the models:
>
>   Management of services
>   Governance in SOA
>   Compliance
>   Testing models for SOAs
>
>Policies and Contracts
>   "How do people express constraints in an SOA context?"
>   In one reading, policies and contracts represents an important
>infrastructural element that needs to be focused on. Policies and
>contracts could be modeled in each of the views above, or in their
>own view.
>    Specifically, we would model
>
>   Policy and contract descriptions
>   Policy/contract enforcement
>
>
>We decided to open this discussion to the list before committing it
>to the WIKI. Comments would be welcome.
>Frank
>
>
>
>