I've had an ER-X as my router (connected to my ISP's fibre ONT) for a few years now. When it works, it's great, but it has this fun habit of dying without any outward indication of why; the link ...

An edge router connects the “last feet” between a device and its connection to the Internet. It is the box that takes your Internet connection and makes it available to your systems connected ...

Marconi is starting to make noises about releasing a carrier-grade edge router later this year, which is the fruit of last year's purchase of Crescent Networks intellectual property.