I suspect you haven't gone through "All these responses"! And how does your own response answer any of the initial questions asked by the OP? You seem to be advising him on how to create his Enterprise Architecture, and restart all his work from scratch. That would be a waste of time and money, plus a wasting what they have already done. They "are following certain Architecture framework and have implementation using the defined architecture", which suggests to me that their Enterprise Architecture is defined for each of their businesses as per a standard framework.
PS: Quotes are not mine.
On Sep 30, 2:30 pm, davidcbaker
wrote:
> All these responses seem way to tactical and doomed to failure -
> analysis paralysis.
> You have to start with the business - you have to define the operating
> model for the Enterprise X. Check out the book "Enterprise
> Architecture as Strategy" from the MIT Center for Information Systems
> Research. They describe a four quadrant model to help businesses
> identify their operating model - Replicated across BUs, Diversified,
> Coordinated or Unifed. The two dimensions of the 2x2 are:
> - degree of business process standadiation across BUs
> - degree of process integration across BUs
> Working with the business to define he operating model is an excellent
> way to start your enterprise architecture efforts. Many architecture
> decisions will flow from this operating model decison, including:
> - amount of infrastructure sharing across BUs
> - amount of data sharing across BUs
> - amount of application sharing across BUs
> - EA organization - central versus distributed versus federated
> Don't get embroiled in framework, protocols, and standards wars - pick
> something that the operating model requires to be shared, and dive
> into that single area. Example: Perhaps the BUs only require
> coordination (high degeree of integration but low degree of process
> standardization). In that case, your EA group should focus on some
> sort of integration backbone for the BUs.
> Don't get distracted. Don't boil the ocean.
> Dave Baker
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