Agile Overview
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Transcript of Agile Overview
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BY-ROHIT KUMAR SHAW(Rohit’sTech World)
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Introduction
Why do we need Agile?
Characteristics
Agile SDLC
Advantages
Disadvantages
References
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WHAT IS AGILE?????
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Things Change
Requirements change
Priorities change
Technologies change
How do we deal with the change when it happens??
How do we minimise the impact and cost??
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Waterfall no longer solves our problem Traditional methodologies are good at
managing the known But they are terrible at managing the
“unknown”
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Extreme Programming(XP)-Kent Beck
Scrum-Ken Schwaber
Feature Driven Development-Peter Coad
Lean Software Development-Mary Popendieck
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Small to medium sized teams
Changing Requirements
Changing Techniques
Simple Design
Customer Collaboration
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Iteration-1 Iteration-0 Construction Iteration Release Production
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Define the business opportunity.
Identify a viable for the project
Assess the feasibility.
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Garnering initial support and funding for the project
Starting to build a team
Modeling an initial architecture
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Implement functionality in priority order.
Analyzing and designing
Ensuring quality
Delivering working software
Testing, Testing, Testing and Testing
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Final testing of the system
Rework
Finalising User Documentation
Training
Deployment
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Keep System useful and Productive
Phase differs based on Organizations and Systems
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▪ No detail requirement needed
▪ High Quality Product is built
▪ Less space for guess work
▪ Early Benefit to Customer
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Lesser design and documentation
Smaller Planning Horizon
Necessity of experienced and senior resources
Need clear customer vision
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http://en.wikipedia.org/wiki/Agile_Modeling http://www.ambysoft.com/essays/agileLifecy
cle.html http://navneetjha.hubpages.com/hub/Agile-
Methodology-A-Brief-Overview http://en.wikipedia.org/wiki/Agile_software_
development Cohen D, Lindvall M, Costa P. Agile software
development
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