1. Motivation 1.1. Where do we come from? 1.2. What do we want to solve here? 1.3. Take aways 2. Boundary conditions 2.1. Prerequisites 2.2. What we want 2.3. What we have 3. Mile high setup 4. Branches, tags and other dilemmas 4.1. Implementation 4.2. Normal cluster updates 4.3. Branch reconciliation and synchronization 5. Who....