Planning For Deployment

The lesson compares monolithic and distributed deployment models for layered architectures, explaining how splitting layers across tiers enables scalability and load balancing. We cover guidelines for distributed deployments, including minimizing blocking calls, managing distributed transactions, using coarse-grained interfaces, and choosing between stateless and stateful designs. The lesson then walks through how to architect for specific quality attributes: performance, reliability and scalability. The lesson closes by contrasting scale up with scale out as the two fundamental scaling strategies.