IBM's GF11 Supercomputer had a central switch called the Memphis Switch. This was a reference to Federal Express, which at the time had a single "super-hub" where all packages were sent to Memphis, Tennessee each day, sorted overnight, and sent to their destinations the next morning.
I also designed a very simple board called the "WAN Mini-Backplane" which replaced a couple of cables that connected WAN I/O modules with a base board. I called it the "Wamba" board for short. Wamba is my favorite character from Ivanhoe. He's the court jester -- his full name is "Wamba, son of Witless". Great name for a board with no intelligence whatsoever.
[Actually the character is very clever. Pax vobiscum.]