As mentioned earlier, sharing knowledge and simplifying communication between team members is one of the most common reasons some scientists give names to architectures and designs.
A layer is a logical module of software with its own core logic and boundaries.
A tier is a physical container of one or more layers, such as a server across a network or multiple instances of the same Virtual Machine, working in a load-balanced way.
Different kinds of architectures and designs exist, such as a single or multiple layered architectures and creational or behavioral design patterns. This book is not about architectures, so we will only provide an overview of the most used software and system architectures while trying ...