Hey, i am just curious about this. I'm just going to post a couple pics found on google images to illustrate what I'm talking about.
The question: Why do they always have racks of servers, and then a separate rack of switches, and then connect them all together with a huge bundle of cables going across the whole room?
For example: Racks of servers
Rack of switches
I would think it might be much less cabling if there was a switch at the top of each rack, which handled all the computers in that rack. Then each of those switches would connect to a central switch to tie the racks together.
My awesome MS Paint skills at work:
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)a few nodes with 42U racks mixed with servers at the bottom and switches at the top, its not the best way to do it but due to space issues I hadn't other option. I tend to usedifferent racks for different purposes as well. Eg I try to use the HP/Dell/APC racks for servers and due to their size I try and use prysim racks for patch / switches.




