I have put together a summary of what this means to me and have applied some constraints. These are:
- that it should fit on one presentation slide,
- should be complete, but mainly
- should be as simple as possible.
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“You forgot value discipline alignment” – It is part of the system description descriptions
“You forgot architectural principles” – These are a part of the boundaries (constraints)
“You forgot change / transition / project plans” – I wasn’t sure if these are strictly part of the architecture so much as artefacts of the associated process of change and initiative planning. For this reason I felt it was enough to imply the need for this artefact by reference to “planning and managing change”.
“You haven’t made it clear enough that the ‘enterprise’ is a socoi-technical system” – I pondered on the need to include an explicit reference to the human element to the ‘complex system’ for ages! I think that it is implicit in the state descriptions and the use of the term ‘relationships’ rather than the sometimes used ‘interfaces’. I almost used the term complex ‘eco-system’ in place of complex system to try to add a little more of an organic flavour and could still be easily persuaded to change my mind.
“Where are your reference models / reference architectures?” – Implied in the state descriptions
“what about using EA to manage system life cycles?” – Planning and managing change.
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