Agile Methodology PPT

AGILE METHODOLOGY
 PRESENTED TO:
 MR. MANESSH KUMAR
 MRS. DEEPTI GUPTA
 PRESENTED BY:
 MOHIT KUMAR
 1313310092
 CSE
3/2/2016 1

Contents of the table
 Definition
 Manifesto
 Principles
 Characteristics
 Overview
 Philosophy
 Agile methods
 Agile practices
 Experience and Adoption
 Pitfalls
 Criticism
 Application outside software development
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What is Agile software development?
Agile software development is a set
of principles for software
development in which requirements
and solutions evolve through
collaboration between self-
organizing,cross-functional teams.
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Agile Manifesto
 Individuals and interactions: self-organization and
motivation are important, as are interactions like co-
location and pair programming.
 Working software: working software is more useful and
welcome than just presenting documents to clients in
meetings.
 Customer collaboration: requirements cannot be fully
collected at the beginning of the software development
cycle, therefore continuous customer or stakeholder
involvement is very important.
 Responding to change: agile methods are focused on quick
responses to change and continuous development.
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Principles
The Agile Manifesto is based on twelve
principles:
 Customer satisfaction by early and continuous delivery of
valuable software
 Welcome changing requirements, even in late development
 Working software is delivered frequently (weeks rather
than months)
 Close, daily cooperation between business people and
developers
 Projects are built around motivated individuals, who
should be trusted.
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Principle continued..
 Face-to-face conversation is the best form of communication
(co-location)
 Working software is the principal measure of progress
 Sustainable development, able to maintain a constant pace
 Continuous attention to technical excellence and good design
 Simplicity—the art of maximizing the amount of work not
done—is essential
 Best architectures, requirements, and designs emerge from self-
organizing teams
 Regularly, the team reflects on how to become more effective,
and adjusts accordingly
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Characteristics of Agile Software
Development
-- Light Weighted methodology
-- Small to medium sized teams
-- vague and/or changing requirements
-- vague and/or changing techniques
-- Simple design
-- Minimal system into production
3/2/2016 7

Overview
There are many specific agile
development methods. Most
promote development, teamwork,
collaboration, and process
adaptability throughout the life-
cycle of the project.
3/2/2016 8

Philosophy
 Compared to traditional software engineering,
agile software development mainly targets
complex systems and projects with dynamic, non-
deterministic and non-linear characteristics,
where accurate estimates, stable plans, and
predictions are often hard to get in early stages—
and big up-front designs and arrangements would
probably cause a lot of waste, i.e., are not
economically sound.
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Adaptive vs. predictive
 Agile methods lie on the adaptive side of this
continuum. One key of adaptive development
methods is a "Rolling Wave" approach to schedule
planning, which identifies milestones but leaves
flexibility in the path to reach them, and also
allows for the milestones themselves to change.
 Adaptive methods focus on adapting quickly to
changing realities. When the needs of a project
change, an adaptive team changes as well.
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Predictive
 Predictive methods, focus on analysing and planning
the future in detail and cater for known risks.
 In the extremes, a predictive team can report exactly
what features and tasks are planned for the entire
length of the development process.
 Predictive methods rely on effective early phase
analysis and if this goes very wrong, the project may
have difficulty changing direction.
 Predictive teams often institute a change control
board to ensure they consider only the most valuable
changes.
3/2/2016 11

Iterative vs Waterfall
 In the waterfall model there is always a separate
testing phase after a build phase.
 However, in agile development testing is usually done
concurrently with, or at least in the same iteration as,
programming.
 Because testing is done in every iteration—which
develops a small piece of the software—users can
frequently use those new pieces of software and
validate the value.
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Agile Method
 Adaptive software development (ASD)
 Agile modeling
 Agile Unified Process (AUP)
 Business analyst designer method (BADM)
 Crystal Clear Methods
 Disciplined agile delivery
 Dynamic systems development method (DSDM)
 Extreme programming (XP)
 Feature-driven development (FDD)
 Lean software development
3/2/2016 28

Agile Practices
 Acceptance test-driven development (ATDD)
 Agile modeling
 Backlogs (Product and Sprint)
 Behavior-driven development (BDD)
 Cross-functional team
 Continuous integration (CI)
 Domain-driven design (DDD)
 Pair programming
 Planning poker
 Refactoring
3/2/2016 30

Experience and Adoption
 Agile methods were first used by technology early
adopters such as Tektronix.
 Agile can be used with any programming paradigm or
language in practice Agile has usually been closely
associated with object-oriented environments such as
Smalltalk and Lisp and later Java.
 The initial adopters of Agile methods were usually
small to medium-sized teams working on
unprecedented systems with requirements that were
difficult to finalize and likely to change as the system
was being developed.
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Common Pitfalls
 Lack of overall project design
 Adding stories to a sprint in progress
 Lack of sponsor support
 Insufficient training
 Product owner role is not properly filled
 Excessive preparation/planning
 Lacking test automation
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Criticism
 The agile movement is in some ways a bit like a
teenager: very self-conscious, checking constantly
its appearance in a mirror, accepting few criticisms,
only interested in being with its peers, rejecting en
bloc all wisdom from the past, just because it is
from the past, adopting fads and new jargon, at
times cocky and arrogant. But I have no doubts
that it will mature further, become more open to
the outside world, more reflective, and also
therefore more effective.
3/2/2016 33

Aplications outside s/w development
 Integrated customer engagement - to embed
customers within any delivery process to share
accountability for product/service delivery.
 Facilitation-based management - adopting agile
management models, like the role of Scrum
Master to facilitate the day-to-day operation of
teams.
 An enabling organisational structure - with a focus
on staff engagement,personal autonomy and
outcomes based governance.
3/2/2016 34

Agile Methodology PPT

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