What is Agile Methodology in Software Engineering?

Agile Methodology
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Agile Methodology
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What is Agile?

All Agile Software developments are based on Agile manifesto(2001). The summary is as follows:

  • More significance on individuals and interactions over processes and facts.
  • More relevance on working software over comprehensive documentation.
  • More importance on customer collaboration over contract negotiation.
  • More value in response to changes over a fixed predefined plan.

Pillers of Agile:

The 12 principles of agile manifesto (pillars of agile)

  1. Customer satisfaction by rapid delivery of useful software.
  2. Welcome changing requirements, even late in the development.
  3. Working software needs to be delivered frequently (in weeks rather than months).
  4. Working software is the measure of progress.
  5. Sustainable development, maintain a constant pace of delivery.
  6. Close, daily cooperation between business people and developers.
  7. Face to face communication is the best way of communication. (Co-location)
  8. Projects are built around motivated and trustworthy individuals.
  9. Continuous attention to technical excellence and good design.
  10. Simplicity.
  11. Self-organizing team.
  12. Regular adaptation to changing circumstances.

Why Agile?

  • Speed up or bypass one or more life cycle phases.
  • Usually less formal and reduced scope.
  • Used for time-critical applications.
  • Used in organizations that employ disciplined methods.

What drives to adopt Agile?

  • More user interaction-Since the client venture is more, Agile endeavors to get more Synergy with business and IT.
  • Distributed development environment- Right sourcing across the glob provides rapid development.
  • Produce the product faster- It decreases time to showcase.
  • Lowered the development cost- cost advantages and capacity to adjust to advancing business needs.
  • Provides competitive advantages over others-Shorter releases gives a business an upper hand.

Some popular Agile Methods

  • Adaptive Software Development (ASD)
  • Feature Driven Development (FDD)
  • Crystal Clear
  • Dynamic Software Development Method (DSDM)
  • Rapid Application Development (RAD)
  • Scrum framework
  • Extreme Programming (XP)
  • Rational Unify Process (RUP)
  • Requirement Driven Testing(RDT)
  • Lean
  • Kanban
  • Hybrid Agile

In Hybrid Agile-This is a practice where you can club several best practices of popular Agile practices in a customized one.

Scrum and Kanban: Tendency of Facilitation?

Agile Progress is a normal term that features an amount of software program progress methodologies, amid them, are Extreme Programming, Scrum, Crystal, Lean Growth, Dynamic Units Development Method (DSDM) and Feature-Driven Development(FDD).

Kanban is normally referred to as Agile methodology, inasmuch as it is often used with each other with Scrum principles, but it was actually formulated by Toyota back again in the 1950s. Irrespective of the truth that each methodology has an exceptional method and particular concepts, all of them have related distinct options these kinds of as versatility, lightness, concentrate on frequent growth and intention orientation. Now we would like to address Scrum and also Scrum hybrid with Kanban.

Both equally Scrum and Kanban supplied themselves to be economical and mature frameworks. That can help providers to create and be successful in their industries. Unique approaches can function in a worthy method at distinctive periods. So whilst generating a decision request which factors and concepts of Scrum and Kanban. It can be utilized with your groups to effectually provide goods and companies.

Difference between popular models:

Item Scrum XP Kanban Scrumban
Board/Artifacts- which one to use?
  • Product backlog
  • sprint backlog
  • Release plan
  • Metaphor
  • Iteration plan
  • Clean board to start a sprint.
  • Board mapped
  • Process
  • Board mapped
  • Process
Events- What are the events?
  • Daily scrum
  • Sprint planning
  • Sprint review
  • Sprint retrospective
  • Daily meeting
  • Planned game on demand

-NA-

  • Daily scrum
  • Other scrum related events if needed.
Prioritization- How to get the items?
  • Part of backlog grooming done by Process Owner.
  • Done by customer
  • There should be a prioritized backlog.
  • There should be a prioritized process.
Who provides a new task?
  • Product Owner(PO)
  • Customer
  • Representative of customer

-NA-

 

  • Depends on defined roles
  • Depends on necessities
Iterations
  • Yes(Sprint)
  • Incremental improvements
  • No
  • Continuous flow
  • Not mandatory
  • Continuous flow
  • May have sprints.
Estimation Yes Yes No

Similar size

No

Similar size

Teams
  • Must be cross-functional
  • Cross-functional preferred
  • Cross-functional
  • Specialized
  • Cross-functional
  • Specialized
Important Roles
  • Product owner
  • Scrum Master
  • Team
  • Customer
  • Programmer
  • Coach
As needed
  • Team
  • Required roles
How Does Teamwork happen?
  • Collaborative
  • As needed by the task
  • XP  Engineering
  • Swarming to achieve goals
  • Swarming to achieve goals
How does WIP gets decided? Planned for the duration of the sprint Planned for the duration of the iteration Controlled by workflow state Controlled by workflow state
How does Change to work scope happens?
  • Should wait for next sprint
  • Swap with items of similar size
  • Added/removed as needed(JIT)
  • Added/removed as needed(JIT)
Product backlog The prioritized list of user stories(estimated) Prioritized No(JIT) No(JIT)
Impediments Dealt with immediately Dealt immediately Avoided Avoided

 

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