Why Logical Architecture in ODI

Hi,
I am new in ODI and started to learn ODI. I understood some basic concept of ODI.
Now I am stuck here with Logical Architecture.
I know that in Logical Architecture we create a logical schema and assign it with the Context.
But I have to know that :
1. what is the purpose of Logical architecture and why it is come into the picture of Topology Navigator.?
2. why we use Logical architecture.
Thanks
Edited by: 949936 on Apr 24, 2013 3:40 AM

You are probably best asking the question in the ODI forum - Data Integrator
Cheers
John
http://john-goodwin.blogspot.com/

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