[c-nsp] Downsides of combining P and PE functions into a single box

[Mark Tinka]

On Wednesday, October 19, 2011 11:46:53 AM Keegan Holley 
wrote:

> If you can
> connect all your PE's without adding aggregation and
> core layers you'd obviously time, money and avoid
> complexity.

Correct on time and money, but curious about complexity. 

I find having a core layer in an IP/MPLS network increases 
simplicity due to the abstraction and demarcation it 
provides, but YMMV.

Mark.
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