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Meet the ‘DPU’ – accelerated network cards designed to go where CPUs and GPUs are too valuable to waste

Ben Tasker Silver badge

That tends to depend on the setup you've got, and what level you're focusing at.

Either way, within the rack, is East/West, but if you're looking at things on the rack level between racks may not necessarily be so:

- If you've got a cross-connect between racks, then that would be East/West.

- If your traffic has to transit your rack's main uplink (i.e. contends with "true" North/South) then that would be North/South.

Having a cross connect is wise, but by no means a given.

On the other hand, you're the D/C operator, then you're going to view it all East/West because it's not leaving your DC.

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