Thick-of-rack is one way to backronym it, but twixt might fit somehow. Do clos networks now wire up a few switches equidistantly spaced within the rack or has

Thick-of-rack is one way to backronym it, but twixt might fit somehow. Do clos networks now wire up a few switches equidistantly spaced within the rack or has clos gone the way of hardware-defined networking?