Well, if you look closely Scrum is a waterfall system. "Classical" waterfall just works on larger chunks - releases or even whole projects. Scrum focuses on "sp

Well, if you look closely Scrum is a waterfall system. "Classical" waterfall just works on larger chunks - releases or even whole projects. Scrum focuses on "sprints" - small chunks of functionality - but still applies tiered, waterfall approach: you start a sprint with planning, move to development, run quality controls and deploy. You should see waterfalls in your Scrum. The only question is whether the chunk size you apply the waterfall on is appropriate