As an ops-guy (interestingly enough, at an HFT company), I used graphviz to draw out a diagram of all the network interfaces and routes that were being used whe

As an ops-guy (interestingly enough, at an HFT company), I used graphviz to draw out a diagram of all the network interfaces and routes that were being used when trading on a single exchange for one single instrument. It was a huge, big, complex, ugly thing. We laughed. Good times.