Hi Anne,

Wouldn't Amazon.com (or Ebay) be a case of a company
that is not a software vendor but that is still
selling software as a service?  And using services as
the enabling technology to do so?

Eric

--- Anne Thomas Manes <[EMAIL PROTECTED]> wrote:

> Here's how I see it:
> 
> SaaS is a business model that applies to
> organizations whose primary product
> is software (i.e., software vendor). These vendors
> can license the software
> to other organizations who will deploy it and run it
> as they deem fit, or
> the vendors can host the software (either themselves
> or through a service
> agency) and licenses user subscriptions to the
> software.
> 
> The classic example of a SaaS vendor is
> Salesforce.com.
> 
> A SaaS application does not need to be
> service-oriented, although
> service-orientation would be a valuable feature in
> that it will enable
> easier integration with other software.
> 
> SOA is a software design discipline in which
> application functionality is
> implemented as reusable services that can be shared
> by many different
> applications.
> 
> Organizations whose primary product is not software
> (i.e., not a software
> vendor) should not be thinking in terms of SaaS.
> Non-vendors should be
> focused on selling their business services
> (healthcare, financial,
> manfacturing, etc). Very often delivery of these
> business services involves
> the use of software -- but the software is simply
> the means to the services
> -- not the service itself. If you are a financial
> services company
> specializing in settlement services, then you are
> selling settlement
> services, not software services -- even if the
> settlement service is
> implemented using software.
> 
> Anne
> 
> 
> On 2/22/06, Paul Denning <[EMAIL PROTECTED]> wrote:
> >
> > I am trying to reconcile or form a mental model of
> Software As A
> > Service (SAAS) and SOA.
> >
> > How does an On-Demand Application (ODA) relate to
> a "service"?
> >
> > How are they (SAAS, SOA) similar and how are they
> different?
> >
> > Thoughts?
> >
> > Any good links?
> >
> > Paul
> >
> >
> >
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
> 


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