[test process and theory - software development process and project management]

Software development process and project management

Evolution of software development process

Waterfall model

• Definition ： The activities of software development are strictly carried out in a linear way
• understand ： Demand analysis - Design - code - Realization - software test - complete - maintain
• advantage ： Each stage of development is clear
  Emphasis on early planning and needs survey
  Suitable for product development with stable demand
• shortcoming ： Because the development model is linear , Increased the risk of development
  Early errors may not be discovered until later in development

Agile development model （ Incremental iteration + Small step run ）

XP- Extreme programming (xp)

• Definition ： Near spiral , For development / High test requirements

SCRUM

• understand ： product BACKLOG-SPRINT Planning meeting -SPRINT BACKLOG-
  Daily station will -2-4 Zhou SPRINT- Potential deliverable increment

DevOps

• Continuous development - Keep testing - Continuous integration - Continuous deployment - Continuous monitoring
• DevOps Impact on release ：
  Reduce the scope of change
  Strengthen release coordination
  automation
• Continuous integration ： Abbreviation for CI
  Continuous delivery ： Abbreviation for CD
• Continuous delivery (CD) And DevOps The relationship between ：
  1/DevOps Wider scope , It is the cooperation between multiple teams involved in the software delivery process , And automate the process of software delivery .
  2/ Continuous delivery is a means of automated delivery .
  3/ DevOps It can be a product of continuous delivery , Continuously delivered results are directly imported into DevOps Model .