Hi Charlie,

No, it should be less.

Distributed solution: Take IP traffic directly from access router to the 
Internet.
Centralized solution: Take IP traffic from access router to a core router to 
the Internet.

The latter suggests more CAPEX and OPEX.

Alper



On Apr 27, 2013, at 3:44 AM, Charles E. Perkins wrote:

> 
> Hello Alper,
> 
> I agree with your point, but it means that the total cost of
> the distributed solution is even more expensive.... right?
> 
> Regards,
> Charlie P.
> 
> On 4/26/2013 12:56 AM, Alper Yegin wrote:
>> Hi Charlie,
>> 
>>> - It is claimed that a centralized architecture requires more resources
>>>  than a distributed architecture.  This is usually false.  For instance,
>>>  if a centralized node requires 100 units, and 100 distributed nodes each
>>>  require 1.03 units, the distributed architecture requires 3 more units
>>>  overall.
>> This would be true for tasks that can be performed either on the distributed 
>> node or on the central node.
>> But the essential task for DMM systems, IP forwarding, is not of that nature.
>> In centralized architecture, that task needs to be performed *both* at the 
>> edge node and also at the central node (and in fact even in between) before 
>> the packets hit the Internet/mobile device.
>> 
>> 
>>> Even so, the additional expense of the distributed architecture
>>>  would often be a bargain for reasons of redundancy, resiliency, etc.
>> 
>> Alper
>> 
>> 
>> 
>> 
>> 
>> _______________________________________________
>> dmm mailing list
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>> https://www.ietf.org/mailman/listinfo/dmm
>> 
> 
> 
> -- 
> Regards,
> Charlie P.
> 

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