Are the Normans a Tribe?

There are some interesting historical ironies. The franks themselves come into possession of the territories therein because of roman policies that brought barbarian people in and made deals with them, right? You defend this territory for the emperor, you can have it. Well, now you have the franks, who are, hundreds of years later, essentially adopting the same policy with these viking peoples. And they just did what the franks did too, and ended up creating their own empire, a based in normandy. I mean, isentally, i see part of thisi penjus to know what you think about this. There aren't really norman there's not a sort