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Enterprise IT Architecture’s Three Layers - Coggle Diagram
Enterprise IT Architecture’s Three Layers
IT Infrastructure Architecture
its firm-wide foundation of shared IT assets and IT services used by all line function
It includes the networks through which data travels and apps are linked and the hardware on which apps run and store data
servers
tablets
storage devices
computers
is their firm-wide arrangement.
App Architecture
software programs that undergird the functionality of a hardware device such as :
cash register
smartphone
other Internet-connected device
PC
tablet
Example
camera
car systems
a thermostat
Such devices
(called clients)
are used to access a resource or service placed on a more powerful central computer
(called a server)
One server machine can serve many user devices, which connect to it through the Internet.
Data Architecture
Where is your firm’s data stored?
Integrated firm-wide data is the foundation of IT-enabled automation of business processes and large-scale business analytics.
However.....
the prevalent problem in firms is proliferation of duplicated and inconsistent data
This problem is caused by the dispersion of a firm’s data
(b) across geographic locations
(a) across apps