I assume that if you're building it, then it doesn't exist yet.

Models of each system may exist.

So my question is, how can you build a model of a subsystem if you don't
know the functionality of the parent system?

Les.



                                                                                       
                                                 
                    Önder Örnek                                                        
                                                 
                    <[EMAIL PROTECTED]>           To:     [EMAIL PROTECTED]         
                                                 
                    Sent by:                   cc:     [EMAIL PROTECTED]         
                                                 
                    owner-rose_forum@ra        Subject:     Re: (ROSE) I have a 
question about Use Case modeling and Diagrams .         
                    tional.com                                                         
                                                 
                                                                                       
                                                 
                                                                                       
                                                 
                    01/08/2001 06:43 PM                                                
                                                 
                    Please respond to                                                  
                                                 
                    Önder Örnek                                                        
                                                 
                                                                                       
                                                 
                                                                                       
                                                 



How can a system (X) exists without its subsystems (Y,Z) ?

Regards,
Önder

[EMAIL PROTECTED] schrieb:

> How do you know what's in Y and Z, if you haven't modeled X yet?
>
> Les.
>
>
>                     Prabhusivakumar
>                     <Prabhu@paragonsolu        To:     "'Mehran Kavand'"
<[EMAIL PROTECTED]>, "Rose forum (E-mail)"
>                     tions.com>                 <[EMAIL PROTECTED]>
>                     Sent by:                   cc:
>                     owner-rose_forum@ra        Subject:     RE: (ROSE) I
have a question about Use Case modeling and Diagrams .
>                     tional.com
>
>
>                     01/08/2001 01:30 AM
>                     Please respond to
>                     Prabhusivakumar
>
>
>
> Hi,
> I think Obviously systems Y and Z first (if they are self sufficient)
>
> Regards
> Prabhu
>
> > -----Original Message-----
> > From:         Mehran Kavand [SMTP:[EMAIL PROTECTED]]
> > Sent:         Saturday, January 06, 2001 11:30 PM
> > To:           Rose forum (E-mail)
> > Subject:           (ROSE) I have a question about Use Case modeling and
> > Diagrams.
> >
> >
> > Hi ! Every Body !
> >
> > I have a question about Use Case modeling and Diagrams.
> >
> > We all know that Use Cases are about capturing HIGH-LEVEL, USER-CENTRIC
> > requirements for the purpose of scoping the project and Use Case
Diagrams
> > communicate and document specific ways of using the system from a
user's
> > (actor's) perspective.
> > Now,suppose that X is a system and  has two subsystem (Y,Z).We want to
> > develop X, but First design and develop Y,Z.
> >
> > My Question :
> > We Must model the use cases of X or (Y,Z) ?
> >
> > ( Note that X,Y,Z all are System and have their Actor and Use cases. )
> >
> > Best Regards
> >
> > Mehran Kavand
> > Informatic Services Corporation(ISC Co.)
> >
> >
> >
> >
> >
> >
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