----- On Sep 24, 2021, at 11:19 AM, William Herrin b...@herrin.us wrote: Hi,
> Seriously, the physical build of network equipment is not entirely > competent. Except, sometimes there is little choice. Look at 400G QSFP-DD for example. Those optics can generate up to 20 watts of heat that needs to be dissipated. For 800G that can go up to 25 watts. That makes back-to-front cooling, as some people demand, very challenging, if not impossible. Thanks, Sabri