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KANBAN and Scrum - Mixing both to develop a better approach to develop software.
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SCRUMBAN – LEAN SOFTWARE DEVELOPMENT
Naveen Kumar Singh
Agile coach and consultant
ABOUT ME
Software Developer, Agile coach and Trainer,
Certified Scrum Practitioner (CSP), CSM, PMI-ACP, PMP
More than 17 Years of experience in Software development
Reach out to me LinkedIn - in.linkedin.com/in/naveenkumarsingh1/ Twitter - https://twitter.com/naveenhome Mail – naveenhome@gmail.com Blog - scrumcertifications.blogspot.in
AGENDA
To Do In Progress Done
Overview of ScrumOverview
of Kanban
Why Pull and
Kanban Starting a Kanban System
Running a
Scrumban
AdvantageOf
Scrumban
SCRUM
SCRUM
•Scrum Master•Product Owner•Team
Roles•Sprint planning•Daily scrum meeting•Sprint review•Sprint retrospective
Ceremonies
•Product backlog•Sprint backlog•Increment
Artifacts
AGENDA
To Do In Progress Done
Overview of ScrumOverview
of Kanban
Why Pull and
Kanban Starting a Kanban System
Running a
Scrumban
AdvantageOf
Scrumban
KANBAN
Toyota Production System
“The two pillars of the Toyota production system
are just-in-time and automation with a human touch, or autonomation.
The tool used to operate the system is kanban.”
Taiichi Ohno, Toyota Production System (adopted 1962)
KANBAN
Kanban promotes continuous collaboration and encourages active, ongoing learning and improving by defining the best possible team workflow
KANBAN
Kanban Principles
Visualize your work
Limit WIP
Manage Flow
Test as soon as “DONE”
Dealing with Bottlenecks
AGENDA
To Do In Progress Done
Overview of Scrum
Overview of
Kanban
Why Pull and
Kanban
Starting a Kanban System
Running a
Scrumban
AdvantageOf
Scrumban
WHY KANBAN
Visualize your work
WHY KANBAN
Limit WIP
WHY KANBAN
Manage Flow
AGENDA
To Do In Progress Done
Overview of Scrum
Overview of
KanbanWhy Pull
and Kanban
Starting a Kanban System
Running a
Scrumban
AdvantageOf
Scrumban
STARTING A KANBAN SYSTEM
Start with something simple
Easy to start if following Scrum, XP, FDD
Challenges while following Scrum
eXtreme Programming (XP) helps
STARTING A KANBAN SYSTEM
Challenges with Scrum – Scrum doesn’t not talk about a particular workflow during development
XP – Gives us a nice concrete model to work from. Basically a scaled down implementation of V model workflow
STARTING A KANBAN SYSTEM
XP model
Write Story
Write Test
Design
Write Unit Test
Write Code
Run Unit Test
Validate
Design
Run Story Test
STARTING A KANBAN SYSTEM
SCRUM-BAN
This can be useful for existing Scrum teams who are looking to improve their scale of capability.
This can also be useful for more cautious new users who find comfort in an “established” method.
Reference – SCRUMBAN – Essay on Kanban Systems for Lean Software Development
STARTING A KANBAN SYSTEM
SCRUM-BAN
The Idea of using a simple task board with index cards is as old as Agile itself. A simple variation of this task board with simple
Pending -> In Process -> Complete workflow.
The cards represent work items in current scope of work.
Name can be associated with the cards to indicate who’s working on what.
Reference – SCRUMBAN – Essay on Kanban Systems for Lean Software Development
STARTING A KANBAN SYSTEM
SCRUM-BAN
The simple approach is to start with Scrum like iterations and iteration planning processes, and begin to add pull features to the team’s internal process.
White board Vs Electronics tools
White board – easy and simple, no cost but nothing to prevent you from accumulating a big pile of WIP
Reference – SCRUMBAN – Essay on Kanban Systems for Lean Software Development
STARTING A KANBAN SYSTEM
SCRUM-BAN
Just as an unregulated index card on a cork board is not a Kanban, time-boxed iteration planning is not pull. No reasonable interpretation of lean involves building to a one month forecast unless the cycle time is one month.
Reference – SCRUMBAN – Essay on Kanban Systems for Lean Software Development
AGENDA
To Do In Progress Done
Overview of Scrum Overview
of Kanban
Why Pull and
KanbanStarting
a Kanban System
Running a
Scrumban
AdvantageOf
Scrumban
RUNNING A SCRUMBAN SYSTEM
Kanban Daily StandUp Meetings
Team size 20-50
Meeting facilitator enumerates work, not people
People who are available and eligible to operate a workstation are expected to attach to any stations that have capacity according to board.
Reference – SCRUMBAN – Essay on Kanban Systems for Lean Software Development
RUNNING A SCRUMBAN SYSTEM
Cycle time Vs Lead time
Lead time clock starts when the request is made and ends at delivery. Cycle time clock starts when work begins on the request and ends when the item is ready for delivery. Cycle time is a more mechanical measure of process capability. Lead time is what the customer sees.
Reference – SCRUMBAN – Essay on Kanban Systems for Lean Software Development
RUNNING A SCRUMBAN SYSTEM
Release Early and Release Often
Determine the minimum deployable feature set, and then build that as fast as you can
Reference – SCRUMBAN – Essay on Kanban Systems for Lean Software Development
AGENDA
To Do In Progress Done
Overview of Scrum Overview
of Kanban
Why Pull and
KanbanStarting
a Kanban System
Running a
Scrumban
AdvantageOf
Scrumban
ADVANTAGE OF SCRUMBAN
KANBAN SCRUM
No prescribed rolesPre-defined roles of Scrum master, Product owner and team member
Continuous Delivery Timeboxed sprints
Work is ‘pulled’ through the system (single piece flow)
Work is ‘pulled’ through the system in batches (the sprint backlog)
Changes can be made at any time No changes allowed mid-sprint
Cycle time Velocity
More appropriate in operational environments with a high degree of variability in priority
More appropriate in situations where work can be prioritized in batches that can be left alone
ADVANTAGE OF SCRUMBAN
Shorter cycle times can deliver features faster.
Responsiveness to Change
When priorities change very frequently, Kanban is ideal.
Balancing demand against throughput guarantees that most the customer-centric features are always being worked.
Requires fewer organization / room set-up changes to get started
Reducing waste and removing activities that don’t add value to the team/department/organization
Rapid feedback loops improve the chances of more motivated, empowered and higher-performing team members
THANK YOU!!!
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