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Copyright © Institut Lean France 2011
Lean IT in a nutshell
Régis Medina
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What is lean?
5S
TPM
SMEDHeijunka Jidoka
One-piece flow
Pull
Push
Poka yoke
Autonomation
PDCA
Hoshin kanri A3
Genchi Genbutsu
Kaizen
Toyota Way
TWI
Muri
Muda
Mura
Muri
4m
Standardized work
Work standards
Andon
Bottleneck
Lead time
Bottleneck
Cycle time
Value stream mapping
Gemba
Just in time
Takt
Kanban
Overall process effectiveness
Pareto charts Teamwork
Continuous improvement
Work cells
Visual management
Small batches
Five whys
Kaikaku
Catch-ball
Red bins
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What is lean ?
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A business model
Completely satisfy the customer
Reduce lead time and costs
by Developing people
by providing a perfect product or service
by eliminating waste
through problem solving
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Satisfying the customer
Value
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Reduce lead time and cost
Toyota Production System
An ideal of operational efficiency
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Developing people
Toyota Way 2001
An ideal of management
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A daily practice
Visualize the production to reveal problems
React immediately
Solve problems one by one
To improve management practices
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Continuous improvement
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Towards a lean IT organization
Develop a kaizen spirit
in every employee
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Roadmap
“The IT organization answers quickly and completely to my support requests”
“The system works perfectly”
“The system is suited to my needs”
“The system supports my own improvement efforts”
Support
Maintenance
Projects
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“The IT organization answers quickly and completely to my support requests”
“The system works perfectly”
“The system is suited to my needs”
“The system supports my own improvement efforts”
Support
Maintenance
Projects
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Initial context
Lost calls# per day
Average max wait time# per day
% responseon first call
90%
1 min0
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Separation of flows
Analyse waiting times
Listen to callsCategories of calls
Lost calls# per day
Stability
Flow separation
➔ Speed up the simple ones
StandardCheck
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Standardize and train
% responseon first call
90%
Tickets
Skills management
(TWI)
Standards
Check On-the-job
training
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Results
Lost calls# per day
Average wait time# per day
% responseon first call
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Lessons learned
Flow / load management
Call analysis & structure
Improve customer experience
Next steps
Knowledge about IT systems
Eliminate need for calls
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“The IT organization answers quickly and completely to my support requests”
“The system works perfectly”
“The system is suited to my needs”
“The system supports my own improvement efforts”
Support
Maintenance
Projects
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Initial context
Incidents
Support
Volume#tickets / month
Lead time
Volume#incidents / month
Lead timeseverity 1
Lead timeseverity 2
Lead time severity 3
Stock
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Speeding up the resolution of incidents
Lead time
See the history of a
few incidents
“See the production”Check results
Agree on the
resolution steps
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Recucing the number of incidents
Volume#incidents / month
Analyze every
incident
Identify
categories of causes
Check results
Planning of checksVerification
standard
Protect the customer
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Results
Incidents
Volume#incidents / month
Lead timeseverity 1
Lead timeseverity 2
Lead time severity 3
Stock
Volume#tickets / month
Lead time
Support
Workshop
April May June JulyMarch August
Review
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Lessons learned
Identification of system vulnerability points
How to improve usability (error messages, etc.)
How to write usable guides
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“The IT organization answers quickly and completely to my support requests”
“The system works perfectly”
“The system is suited to my needs”
“The system supports my own improvement efforts”
Support
Maintenance
Projects
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Project improvements
Control lead time
Reduce lead timeWork on the right topics
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Project improvements
Control lead time
Reduce lead timeWork on the right topics
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Initial context
Costs
Prévu Réel
Margin
Prévu
““““Right First Time ”””” operations Delays
Quality Lead time Costs
Réel
Projet 1 Projet 2 Projet 3 Projet 4Validation Production
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Analysis of causes
Before
After
Overload Waste
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“Pull”
Global planning
Project milestones
Daily monitoring
Content
Date
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Obeya
Voice of the customer
Macroplanning
Weeklyplanning
Performanceindicators
Problems
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Standards
“Production release” checklist
“System install” checklist
“Production release” templatewith customer prerequisites
etc.
Test website
Automated tests
Obeya
Team-based problem resolution
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Results
Margin““““Non Right First Time ”””” operations Delays
Quality Lead time Costs
Customer
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Project improvements
Control lead time
Reduce lead timeWork on the right topics
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Software kaizen
Observe users
on the gemba See waste in the use of the system
Identify improvement areasLead improvement
experiments
Check
results
&
Learn
Measure the benefits of the
system from a user perspective
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Roadmap
“The IT organization answers quickly and completely to my support requests”
“The system works perfectly”
“The system is suited to my needs”
“The system supports my own improvement efforts”
Support
Maintenance
Projects
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Conclusion
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Summary
Customer first / create (or restore) value
Tools are used for a purpose
A rigorous problem solving process
Developing people before making parts
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Not so easy
Risky tools
Reveals problems, some of them deep
Find time to solve them
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Very first step?
What muda am I inflicting on my own users?