On Sep 25, 2010, at 9:05, Seth Mattinen <se...@rollernet.us> 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 >