Difference between agile and iterative and incremental development

Question

What are the difference between Agile and iterative and incremental development  Is Agile considered as iterative and incremental  Some info shown the Agile is the latest of iterative and incremental  I need a clear clarification on this

User · Accepted Answer

Iterative - you don t finish a feature in one go  You are in a code  gt  gt  get feedback  gt  gt  code  gt  gt      cycle  You keep iterating till done  Incremental - you build as much as you need right now  You don t over-engineer or add flexibility unless the need is proven  When the need arises  you build on top of whatever already exists   Note  differs from iterative in that you re adding new things   vs refining something   Agile - you are agile if you value the same things as listed in the agile manifesto  It also means that there is no standard template or checklist or procedure to  quot do agile quot   It doesn t overspecify   it just states that you can use whatever practices you need to  quot be agile quot   Scrum  XP  Kanban are some of the more prescriptive  agile  methodologies because they share the same set of values  Continuous and early feedback  frequent releases demos  evolve design  etc   hence they can be iterative and incremental

User · Answer

Agile is mostly used technique in project development In agile technology peoples are switches from one technology to other   Main purpose is to remove dependancy  Like Peoples shifted from production to development and development to testing  Thats why dependancy will remove on a single team or person

User · Answer

Iterative development implies revisiting usual waterfall model steps over the course of product lifetime  The stages can even overlap  i e  while doing end-to-end testing you could already start preparing new requirements   Incremental development means you roadmap your features and implement them incrementally   Agile aims at creating  potentially shippable product  after every sprint  How you achieve it is a different story  Agile tries to employ  best  techniques from various fields  e g  extreme programming   Agile does not exclude running neither incremental nor iterative development

User · Answer

Incremental development means that different parts of a software project are continuously integrated into the whole  instead of a monolithic approach where all the different parts are assembled in one or a few milestones of the project   Iterative means that once a first version of a component is complete it is tested  reviewed and the results are almost immediately transformed into a new version  iteration  of this component   So as a first result  iterative development doesn t need to be incremental and vice versa  but these methods are a good fit   Agile development aims to reduce massive planing overhead in software projects to allow fast reactions to change e g  in customer wishes  Incremental and iterative development are almost always part of an agile development strategy  There are several approaches to Agile development  e g  scrum

User · Answer

Some important and successfully executed software projects like Google Chrome and Mozilla Firefox are fine examples of both iterative and incremental software development   I will quote fine ars technica article which describes this approach  http   arstechnica com information-technology 2010 07 chrome-team-sets-six-week-cadence-for-new-major-versions           According to Chrome program manager Anthony Laforge  the increased pace is designed to address three main goals  One is to get new features out to users faster  The second is make the release schedule predictable and therefore easier to plan which features will be included and which features will be targeted for later releases  Third  and most counterintuitive  is to cut the level of stress for Chrome developers       Laforge explains that the shorter  predictable time periods between releases are more like  trains leaving Grand Central Station   New features that are ready don t have to wait for others that are taking longer to complete   they can just hop on the current release  train   This can in turn take the pressure off developers to rush to get other features done  since another release train will be coming in six weeks  And they can rest easy knowing their work isn t holding the train from leaving the station  lt  lt

[agile] Difference between agile and iterative and incremental development

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