Has anyone written the equivalent of the old Bell Systems Notes on the Network for the Internet? A couple of books come close, Hueston's ISP Survival Guide and Cisco's ISP Essentials. But there doesn't seem to be anything that helps Bell heads understand what switching, routing or signaling means on the Internet. There are a lot of words which are spelled alike, but mean very different things in the Bell world and the Internet world. I've been thinking of it like driving in England or the USA. We drive on different sides of the road. Its safe until you get someone who doesn't know the rules of the road driving on the other side of the Atlantic. So how do you explain the rules of the Internet road to someone used to driving on the telephone system?