Software Architecture

• Its is Big picture : What, Where but not How. We talk about boxes and lines
• We take help of Architecture styles to take decisions at this stage.
• Tradeoffs : When you are deling with non functional requirements, the way that the system has to perform and start to see
  • server requirements, backups , Data storage strategies like database has to be running at clusters
• Software Architect work before the coding begins

Software Design:

• Is the How of the software development process.
• The level of details that are worked at this step are
  • Design patterns
  • Classes, interfaces, functions, responsibilities…
• Component/ Module level

n-Tier Architecture

• A Tier in software architecture is a boundry between a layer of application.

REST (Representational State Transfer)