Too Long; Didn't Read
A monolithic system is one that is deployed as a single unit of interconnected components. Layered architectural patterns are known to be simple in terms of development, easy to scale up to a certain cap and easy to deploy and be fast during the development phase. Layered Architectural Pattern (n-tier architecture)Governed by the Single responsibility Principle, a class or module has one and only one function - the layered approach leverages the separation of concerns. The presentation layer deals with the display of information to the user. The business layer gets data from the persistence layer and processes it against application logic (say merge with another table)