If I'm reading this right, what you're calling a vertical layer is what I've always heard described as a horizontal slice, and your horizontal layer is what I know as a vertical slice. So that's a bit confusing :D (although it's the same principle either way)
Well-known software developer specializing in large-scale database-driven web sites. Usually I use Perl. I speak at too many conferences. https://allaroundtheworld.fr/
If I'm reading this right, what you're calling a vertical layer is what I've always heard described as a horizontal slice, and your horizontal layer is what I know as a vertical slice. So that's a bit confusing :D (although it's the same principle either way)
Ironically, I have too. That's how I started writing this, only to find that others disagree. Not sure if it's settled or not.