A rural ISP might not even have the possibility of redundancy. There might be just one backbone fiber within reasonable distance. For example, there's a local r

A rural ISP might not even have the possibility of redundancy. There might be just one backbone fiber within reasonable distance. For example, there's a local rural fiber ISP near me that had to invest quite a lot into digging a fiber trench several miles to the nearest backbone connection before they even got off the ground.