A lesser known standard is Backplane Ethernet. I wasn’t aware of it until I was researching Notes on Cables and Connectors for 40 and 100 Gigabit Ethernet. I spent some time over the weekend scratching an itch to have a look at it and why it exists.These are scrach notes, and observations from a research session and not intended to a canonical investigation. Interesting though because it’s is valuable to understand that many network products are functionally all the same – only the software and the people are different.