Routers in Data Centers

Joel Jaeggli joelja at
Sat Sep 25 19:16:33 UTC 2010

On Sep 25, 2010, at 9:05, Seth Mattinen <sethm at> wrote:

> On 9/24/10 5:28 PM, Alex Rubenstein wrote:
>>> While this question has many dimensions and there is no real
>>> definition of either I suspect that what many people mean when they
>>> talk about a DC routers is:
>>> From the datacenter operator prospective, it would be nice if some of these vendors would acknowledge the need for front-to-back cooling. I mean, it is 2010.

Bakplanes make direct front to back cooling hard. non-modular platforms can do it just fine however.

> Well, if you look at the hardware it's dead obvious: airflow goes across
> the linecards. Nexus 7k 10-slot has front bottom to back top airflow
> because it uses vertically oriented cards.
> ~Seth

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