After visiting one of our datacenters and chatting with local siteops, it occurred to me that it would be rather useful to have cables that can be traced visually from any point along the cable. So consider a cable (network cable, power cable, whatever) that is made of material that can change color or emit light based on touch. That is, you grab the cable and it lights up from end to end.
If you want to get fancy, make it run blinking light rings from one end to the other (or from the point of contact to both ends), to allow you to follow it. Or let it have running LED text ("switch-A-port-N <-> host-N-rack-A") along the length of the cable etc.
If such a think already exists, oh well. If not, remember you heard it here first!
April 28, 2007