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There is a direct correlation between each of the domains defined in the TOGAF® specification, understanding those correlations is key to being able to perform impact analysis, developing road maps that are not vendor lead and managing your risks. |
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Consider the following model
The model is more than just a taxonomy. If we explode it and present three example what-if scenarios, we can see what these correlations are
In this model, when a particular what-if scenario is run, the arrows indicate the direction of impact analysis e.g. "an operating system becoming obsolete" has a direct impact into the Technology Domain, which directly affects the Information Architecture (Data and Application domains) which may impact on the running of the business - so you might perform an OS upgrade that stops an application from running which means the data made available through that application is no longer available which directly affects the running of the business.
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Example of building the correlations
Consider the the following example where your organisation has a timesheet process
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