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Architecture Decomposition by Cade & Sheil

 
Greenhorn
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Hi all
I am reading this book on SCEA or OCEA by Cade and Sheil.
First of all what differentiate tiers from layers?
My understanding is each of the tier i.e. Client,Web,Business,Integration,Resource has one or all of the layers i.e. application,Virtual Platform,Application Infrastructure,Enterprise Services,Compute and Storage and Network Infrastructure.
Is that right?
Also this book explains 5 ordered groups of strategy to decompose an architecture.
I understand these strategy term by term,but it will be cool if I can have a bigger picture of it from a Real World Example.
Thanks
 
Greenhorn
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Hi Will,

As the book mentions - we can call the physical separation of concerns as Tier and logical separation as layer.

below link may help you further -

http://it.toolbox.com/blogs/high-thinking/layers-or-tiers-11718
 
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