Re: Use Cases and RM-ODP

[jinny m uppal <juppal01@cs.fiu.edu>]

> > 
> > > Why do you think that system requirements are for enterprise view and
> > > they are only business ones?
> > well, you are right on one thing. System requirements are NOT enterprise
> > policies only. Please comment on where in RM-ODP do they fit in?
> 
> what is "enterprise policy"?
A policy that is applicable at the enterprise level, and shows up at the E
viewpoint.
> 
> > 
> > > If you want to integrate a new system in your enterprise environment
> > > you have to understand and mandate requirements for all viewpoints.
> > > Here is a simple example: if you, as a customer, provide just business
> > > requirements and forget to ask that the distributed system should use
> > > TCP/IP stack (technology viewpoint) you will end up with a system that
> > > may
> > > completely satisfy your business requirements (enterprise viewpoint) and
> > > yet to be very expensive to integrate in the the existing network
> > > environment.
> > That, depends. If the requirement that TCP/IP be used is major enough, the
> > enterprise might make it a business policy : "All future systems will
> > use/support  TCP/IP". 
> 
> I know what a system requirements at enterprise, information, ... technology
> viewpoints are.
I never knew you would have system reqs at every level. 
I thought the system had one set of reqs, the arhictecture had different
viewpoints. Ofcourse, system reqs are driven by user reqs.
> 
> What is "business policy"?
> 
Almost the same as enterprise policy.

Jinny.

> Konstantin
> 
> 

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