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AGILE-SCRUM. Introduction to SCRUM. Asyirini Fajrin. Topics. Introduction to SCRUM SCRUM Framework Roles Ceremonies Artifacts. TOPICS. SCRUM. Software Development. http://wilhelminatunnels.files.wordpress.com/2010/09/tunnel1.jpg. SCRUM in 100 words.

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Agile scrum

AGILE-SCRUM

Introduction to SCRUM

Asyirini Fajrin


Topics

Topics

  • Introduction to SCRUM

  • SCRUM Framework

    • Roles

    • Ceremonies

    • Artifacts


Topics1

TOPICS

SCRUM


Software development

Software Development

http://wilhelminatunnels.files.wordpress.com/2010/09/tunnel1.jpg


Scrum in 100 words

SCRUM in 100 words

  • Scrum is an agile process that allows us to focus on delivering the highest business value in the shortest time.

  • It allows us to rapidly and repeatedly inspect actual working software (every two weeks to one month).

  • The business sets the priorities. Teams self-organize to determine the best way to deliver the highest priority features.

  • Every two weeks to a month anyone can see real working software and decide to release it as is or continue to enhance it for another sprint.


Scrum origins

SCRUM Origins


Scrum origins1

SCRUM Origins

  • 1986, Hirotaka Takeuchi & Ikujiro Nonaka described a new approach

  • 1991, DeGrace and Stahl

  • Early 90’s, Ken Schwaber, first time called SCRUM by Jeff Sutherland, John

  • 1995, Sutherland & Schwaber presented the result of SCRUM at OOPSLA

  • 2001, Ken Schwaber & Mike Bleeder wrote “Agile Software Development with SCRUM”


Sequential vs overlapping development

Sequential vs. overlapping development

Requirements

Design

Code

Test

Rather than doing all of one thing at a time...

...Scrum teams do a little of everything all the time

Source: “The New New Product Development Game” by Takeuchi and Nonaka. Harvard Business Review, January 1986.


Why scrum

Why SCRUM ?

“The… ‘relay race’ approach to product development…may conflict with the goals of maximum speed and flexibility. Instead a holistic or ‘rugby’ approach—where a team tries to go the distance as a unit, passing the ball back and forth—may better serve today’s competitive requirements.”

http://talkingrugbyunion.co.uk/wp-content/uploads/2011/04/scrum.jpg

Hirotaka Takeuchi and IkujiroNonaka, “The New New Product Development Game”, Harvard Business Review,January 1986.


Scrum has been used for

SCRUM has been used for:

  • Video game development

  • FDA-approved, life-critical systems

  • Satellite-control software

  • Websites

  • Handheld software

  • Mobile phones

  • Network switching applications

  • ISV applications

  • Some of the largest applications in use

  • Commercial software

  • In-house development

  • Contract development

  • Fixed-price projects

  • Financial applications

  • ISO 9001-certified applications

  • Embedded systems

  • 24x7 systems with 99.999% uptime requirements

  • the Joint Strike Fighter


Introduction by ken schwaber

Introduction by Ken Schwaber

  • Scrum is not a methodology. Scrum does not provide the answers to how to build quality software faster.

  • Scrum is a framework within which the game of product development is played.

  • Your team plays and how good or not-good it is becomes highly visible.

  • Your team gets to continuously improves itself.

Scrum@ Accenture Technology Solutions | PCS


Characteristics

Characteristics

  • Self-organizing teams

  • Product progresses in a series of month-long “sprints”

  • Requirements are captured as items in a list of “product backlog”

  • No specific engineering practices prescribed

  • Uses generative rules to create an agile environment for delivering projects

  • One of the “agile processes”


Agile manifesto

Agile Manifesto

Important!


Scrum how does it work

SCRUM : How does it work?


Scrum framework

SCRUM Framework

  • The Product Owner sets a List of Features called Product Backlog

  • During the Sprint Planning, the Team “pulls” a piece of the top of that list: the Sprint Backlog; and decide how to implement it.

  • The Team has a time-box to reach this goal: the Sprint


Scrum framework1

SCRUM Framework

  • Each day, the Team measures its progress during a 15’ meeting: the Daily Scrum

  • During the whole project, the ScrumMaster ensuresthat the Team is still focused on its objective.

  • At the end of the Sprint, the work has to be potentialy shipable. This work is considered as done.


Scrum framework2

SCRUM Framework

  • The Sprint ends with the Sprint Review and the Retrospective.

  • When the next Sprint starts, the Team selects a new piece of the Product Backlog and restarts the process.

  • The process is done when all Features are implemented, or the budget is consummed, or when the time is over.


Scrum roles

SCRUM : Roles

PRODUCT OWNER

  • Define the features of the product

  • Decide on release date and content

  • Be responsible for the profitability of the product (ROI)

  • Prioritize features according to market value

  • Adjust features and priority every iteration, as needed 

  • Accept or reject work results


Scrum roles1

SCRUM : Roles

SCRUM MASTER

  • Define the features of the product

  • Decide on release date and content

  • Be responsible for the profitability of the product (ROI)

  • Prioritize features according to market value

  • Adjust features and priority every iteration, as needed 

  • Accept or reject work results


Scrum roles2

SCRUM : Roles

THE TEAM

  • Typically 5-9 people

  • Cross-functional:

    • Programmers, testers, user experience designers, etc.

  • Members should be full-time

    • May be exceptions (e.g., database administrator)

  • Teams are self-organizing

    • Ideally, no titles but rarely a possibility

  • Membership should change only between sprints


Scrum timeboxed ceremonies

SCRUM : Timeboxed Ceremonies

Daily Scrum


Scrum poker

SCRUM POKER


Ceremonies sprint planning

Ceremonies : Sprint Planning

  • 2 Parts:

    • Sprint Planning 1: the WHAT?

    • Sprint Planning 2: the HOW?

  • Product Owner:

    • Provides the customer ‘s/ user’s prioritized product backlog

    • Presents the Release Plan.

    • Explain theVision

  • Team:

    • Estimates the Product Backlog in terms of feasibility (functional estimation)

    • Slice the Product Backlog to Sprint Backlogs with Product Owner

    • Slice Sprint Backlog in Tasks

  • Team and Product Owner:

    • Define the Sprint objective

    • Establish “Definition of Done” for the Sprint.


Ceremonies sprints

Ceremonies : Sprints

  • Scrum projects make progress in a series of “sprints”

    • Analogous to Extreme Programming iterations

  • Typical duration is 2–4 weeks or a calendar month at most

  • A constant duration leads to a better rhythm

  • Product is designed, coded, and tested during the sprint


Ceremonies kanban boards

Ceremonies : Kanban Boards


Ceremonies daily scrum meeting

Ceremonies : Daily Scrum Meeting

  • Participants :

    • Team (Active)

    • Scrum Master (Passive)

    • Product Owner (Passive)

  • Parameters:

    • Daily

    • 15 minutes

    • Stand-up

  • Questions:

    • What did you do yesterday?

    • What will you do today?

    • Is anything in your way?


Ceremonies sprint review

Ceremonies : Sprint Review

  • It is the Inspect-und-Adapt from Customer, Users and Management.

  • The team presents the results of the Sprint.

  • Users/Customer/ Management express their comments and find a compromise with the team.

  • The ProductOwneracceptsorrejects Sprint Backlog Items accordingto Definition ofDone.

  • The Product Owner has the last word here.


Ceremonies retrospective

Ceremonies : Retrospective

a short meeting scheduled

by the scrum master where just concluded sprint will be

reviewed and learning‘s noted to be implemented in the next

sprint


Artifacts

ARTIFACTS

http://www.flickr.com/photos/rbarnesphotography/6831516608/


Scrum artifacts

SCRUM ARTIFACTS


Product backlog

Product Backlog

What is written in a Product Backlog?

  • The requirements

  • A list of all desired work on the project

  • Ideally expressed such that each item has value to the usersor customers of the product

  • Prioritized by the product owner

  • Reprioritized at the start of each sprint


Definition of done

Definition of DONE

Work completed and agreed by all stake

holders and conforms to organization processes ,

conventions and guidelines


Release burndown chart

Release Burndown Chart


Sprint backlog

4

8

8

16

12

4

10

8

11

8

16

16

12

8

8

8

8

8

4

Add error logging

8

Sprint Backlog

Tasks

Mon

Tues

Wed

Thur

Fri

Code the user interface

Code the middle tier

Test the middle tier

Write online help

Write the foo class


Sprint burndown

Sprint Burndown


Scrum values

SCRUM Values

TRANSPARENCY

prioritization

increments

INSPECTION

embracing change

feedback

value mapping

frequent delivery

ADAPTATION

value streams


Companies using scrum

Companies using SCRUM

Scrum@ AccentureTechnology Solutions | PCS


Scrum on

SCRUM ON!


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