how to improve the improvement process10-howtoimprovetheimprovementproc… · karol frühauf...
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IIP-.10
How to Improve the Improvement Process
Karol Frühauf INFOGEM AG
CH-5401 Baden [email protected]
Chair of the ICT Process Improvement and Assessment Track
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IIP-.20
Who I am? 1975 MSc in Electrical Engineering / Technical Informatics, RWTH in
Aachen, Germany 1975 Brown Boveri & Cie, Power system control
programmer, project leader, quality manager, manager 1987 Co-founder of INFOGEM AG, consultant
quality management, project management, reviews and testing, configuration management, metrics
sports table tennis, tennis, skiing arts literature, theatre Co-author of two books
'Software-Projektmanagement und –Qualitätssicherung' and 'Software-Prüfung – eine Anleitung zum Test und zur Inspektion'
… a sporty software engineer interested in arts and in all facets of quality
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IIP-.30
Involvement in professional activities
Swiss Association for Quality Software Engineering Group
1995 San Francisco 2000 Yokohama 2005 München 2008 Betheshda 2011 Shanghai
American Society for Quality
C A S T B Czech and Slovak Testing Board
European Organisation for Quality Software Group
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IIP-.40
Originator Bridge Guard Art / Science Residence Centre
In 2001 the Mária Valéria bridge between Štúrovo (Slovakia) and Esztergom (Hungary) was reopened. This bridge built in 1895 was in its history destroyed for a longer time than it was actually connecting the two towns. The aim is to support artists, scientists and personalities from other professions who work on projects that emphasise uniting, connecting, and bridging. The post of Bridge Guard requires a person in whose work boundaries of countries or eras are bridged, mental, social, religious or political boundaries are crossed, different scientific fields are connected, or various artistic media are utilised.
www.bridgeguard.org
Esztergom / HU
Štúrovo / SK
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IIP-.50
ICT Process Improvement and Assessment Process Assessment Process Metrics Improvement Process Monitoring PDCA revisited
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IIP-.60
To be able to improve ... ... you need to have something that is not good enough
if you want to improve a process ...
... you need to have one that's easy
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IIP-.70
You can't have no process ... ... unless you don't work –
but even if you don't work you're engaged in the idle process
what's not easy is to know your proces(ses)
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IIP-.79*
Make your processes visible
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IIP-.80
Make your processes visible
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IIP-.90
Techniques for making processes visible 1. describe or engineer & describe the processes 2. monitor the processes continuously
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IIP-.99*
Process descriptions great success! million companies have a described and ISO 9001 certified QMS you can see on intranet or paper how the processes of these
companies suppose to work. great! but …
we still don't know how these companies actually do work!!
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IIP-.100
Process descriptions great success! million companies have a described and ISO 9001 certified QMS you can see on intranet or paper how the processes of these
companies suppose to work. great! but …
we still don't know how these companies actually do work!!
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IIP-.110
We need a tool for observation check whether the work is done how the players agreed to and did describe it → internal audits check whether the work is done how SEI (or another institution) thinks it should be done → assessment audits and assessments deliver a snapshot we know how the people worked on the day X how do they work today?
is it so great?
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IIP-.120
Be aware of … … that there is an underlying assumption that the reference – a standard or a maturity model – defines the state of the art adequately → audit or assessment provides a useful picture
hints what to keep hints where to change what
the development of such references and of the underlying models is a job with great responsibility ! my deep respect to all who do participate in this effort
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IIP-.130
Improvement? not every change is for better, you better know what does work: it would be a sin to change it what does not work: it may be beneficial to change it
but ! don't use painkillers without taking into account the adverse
reactions in audits / assessments → nail down actual process strengths too → don't focus on deviations only
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IIP-.140
Another tool for observation – process metrics
input metrics result metrics
processcharacteristics
predictormetrics
processvolumequality
volumequality
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IIP-.150
Analogy with a car ride process goal to arrive in Porto at 14:00
result metric arrival time in Porto, hotel Bessa
input metrics volume of petrol in the petrol tank [l] oil volume [l] cooling water volume [l] water for windscreen washer [l] break fluid volume [l]
predictor metrics current time [hh:mm] current speed [km/h] current distance to target Porto [km] current volume of petrol in the petrol
tank [l]
Porto 53 km
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IIP-.160
Example software world (1) process goal for development (many products) Ø number of reported defects / kLOC and month ≤ 0.5 first three months
after deployment Ø number of reported defects / requirement and month ≤ 0.01 first six
months after deployment
result metric (single product) kLOC number of reported defects / kLOC and month number of reported defects / requirement and month
input metric (single product) number of requirements
predictor metrics (single product) number of defects found in reviews / requirement number of defects found in tests / requirement number of defects found in tests / kLOC
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IIP-.170
Example software world (2) process goal for project management (many projects) Ø project duration deviation: 80% within ± 15% Ø project cost deviation: 70% within ± 25%
result metric (single project) project duration [month] project costs [kCHF]
input metric (single project) number of requirements
predictor metrics (single project) number of accepted requirements number of accepted requirements / month number of requirements ready for test number of requirements tested / month number of requirements in development number of requirements developed / month
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IIP-.180
Make your processes measurable
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IIP-.190
Improvement! with reliable evaluation of the situation at hand we need 'only' to implement improvements in the areas identified to be in need of
the only problem is the 'only'!
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IIP-.198*
What happens with the evaluation results? 80% of the companies
is happy that they know where they are (it does not matter whether they have any reason to be happy)
don't change anything and look forward to the next evaluation
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IIP-.199*
What happens with the evaluation results? 80% of the companies
is happy that they know where they are (it does not matter whether they have any reason to be happy)
don't change anything and look forward to the next evaluation
15% of the companies
is unhappy what they know about where they are (it does not matter whether they have any reason to be unhappy)
they identify three measures for conscious change of the way they work and implement these changes
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IIP-.200
What happens with the evaluation results? 80% of the companies
is happy that they know where they are (it does not matter whether they have any reason to be happy)
don't change anything and look forward to the next evaluation
15% of the companies
is unhappy what they know about where they are (it does not matter whether they have any reason to be unhappy)
they identify three measures for conscious change of the way they work and implement these changes
5% of the companies
is easy-going, they know there is no reason to be happy or unhappy
they go on with business as usual and change here and there to improve their work (results)
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IIP-.208*
Improvement! with reliable evaluation of the situation at hand we need 'only' to implement improvements in the areas identified to be in need of
the only problem is the 'only'! organisations have a great inertia development organisations have the biggest (individual) inertia
Armour's observation on software process: What all software developers really want is a rigorous, ironclad, concrete, hidebound, absolute, total, definitive, and complex set of process rules
Phillip G. Armour: The Laws of Software Process Communications of the ACM, Vol. 44, Number. 1, 2001, pp. 15-17
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IIP-.209*
Improvement! with reliable evaluation of the situation at hand we need 'only' to implement improvements in the areas identified to be in need of
the only problem is the 'only'! organisations have a great inertia development organisations have the biggest (individual) inertia
Armour's observation on software process: What all software developers really want is a rigorous, ironclad, concrete, hidebound, absolute, total, definitive, and complex set of process rules they can break.
Phillip G. Armour: The Laws of Software Process Communications of the ACM, Vol. 44, Number. 1, 2001, pp. 15-17
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IIP-.210
Improvement! with reliable evaluation of the situation at hand we need 'only' to implement improvements in the areas identified to be in need of
the only problem is the 'only'! organisations have a great inertia development organisations have the biggest (individual) inertia
Armour's observation on software process: What all software developers really want is a rigorous, ironclad, concrete, hidebound, absolute, total, definitive, and complex set of process rules they can break.
Phillip G. Armour: The Laws of Software Process Communications of the ACM, Vol. 44, Number. 1, 2001, pp. 15-17
diagnosis is easy, therapy is harder to define and adamant to apply
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IIP-.219*
Make improvements instantly …
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IIP-.220
Make improvements instantly …
... but only one at a time
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IIP-.230
From snapshot to 'continuous' overview (agile)
To Do In Work Tests Passed
Story R01 3x
Story R04 2x
Story R05 1x
Story R07 3x
Story R09 4x
Story R06 2x
Story R11 3x
Story R13 5x
Story R02 5x
Story R03 2x
Story R08 3x
Story R10 1x
Story R12 4x
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IIP-.240
From snapshot to measured 'continuous' overview
To Do In Work Tests Passed
Story R01 3x
Story R04 2x
Story R05 1x
Story R07 3x
Story R09 4x
Story R06 2x
Story R11 3x
Story R13 5x
Story R02 5x
Story R03 2x
Story R08 3x
Story R10 1x
Story R12 4x
5 stories 3 stories 5 stories 13 story points 10 story points 15 story points
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IIP-.250
From overall view to workflow (lean)
backlog design code test done
Story
Story
Story
Story
Story
Story
Story
ready resolved
Story
StoryStory
Story
Story
Story
Story
Story
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IIP-.260
Product structure and the workflow, in figures
backlog design code test doneready resolvedSystem
SuSy A Comp A1
Comp A2
Comp A3
SuSy B Comp B1
Comp B2
SuSy C Comp C1
Comp C2
Comp C3
Comp C4
8
10
7
11
8
10
12
7
9
0 1 1 2 2 2
1 1 3 3
1 2 1 1
2 0 3 3
0 1 3 2
1 1 3 2
1 1 3 4
1 1 2 1
1 1 1 2
1
1
1
1
2
1
1
2
1
1
2
1
1
2
1
2
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IIP-.270
Process signals
specified design code test doneready resolved
3 1 2 1 1 1
3 1 1 2
3 0 1 3
2
1
0
1
req
3 1
stage
healthy
design? 1 3
design?? 3 3
design! 3 3 3 0 0 1 1 4
paralysis 3 3 3 0 0 0 0 6
time
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IIP-.280
Make process execution visible, continuously
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IIP-.290
Make process improvement to rule, not to exception
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IIP-.300
PDCA – surprising search results
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IIP-.310
PDCA – many shapes and letters
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IIP-.320
PDCA – many shapes and colours
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IIP-.330
PDCA – many shapes .. directions
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IIP-.340
PDCA – the cycle is not always round
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IIP-.350
PDCA – variations
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IIP-.360
PDCA – extension
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IIP-.370
PDCA career
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IIP-.378*
4D + D cycle
Do your work
Deploychange
Determinestate
Derivemeasures
Defineprocesses
![Page 46: How to Improve the Improvement Process10-HowToImproveTheImprovementProc… · Karol Frühauf INFOGEM AG CH-5401 Baden Karol.Fruehauf@infogem.ch Chair of the ICT Process Improvement](https://reader033.vdocuments.us/reader033/viewer/2022050104/5f42d4a7fa86b946dd060c79/html5/thumbnails/46.jpg)
IIP-.379*
4D + D cycle
Do your work
Deploychange
Determinestate
Derivemeasures
Defineprocesses
![Page 47: How to Improve the Improvement Process10-HowToImproveTheImprovementProc… · Karol Frühauf INFOGEM AG CH-5401 Baden Karol.Fruehauf@infogem.ch Chair of the ICT Process Improvement](https://reader033.vdocuments.us/reader033/viewer/2022050104/5f42d4a7fa86b946dd060c79/html5/thumbnails/47.jpg)
IIP-.380
4D + D cycle
Do your work
Deploychange
Determinestate
Derivemeasures
Defineprocesses
![Page 48: How to Improve the Improvement Process10-HowToImproveTheImprovementProc… · Karol Frühauf INFOGEM AG CH-5401 Baden Karol.Fruehauf@infogem.ch Chair of the ICT Process Improvement](https://reader033.vdocuments.us/reader033/viewer/2022050104/5f42d4a7fa86b946dd060c79/html5/thumbnails/48.jpg)
IIP-.390
Sorry …
![Page 49: How to Improve the Improvement Process10-HowToImproveTheImprovementProc… · Karol Frühauf INFOGEM AG CH-5401 Baden Karol.Fruehauf@infogem.ch Chair of the ICT Process Improvement](https://reader033.vdocuments.us/reader033/viewer/2022050104/5f42d4a7fa86b946dd060c79/html5/thumbnails/49.jpg)
IIP-.391*
A kind of conclusion ... P rocess improvement is the use of O pportunities you have to discover R ound are the improvement cycles T ough to drive them anyway and O nce to move is not enough P rocess improvement is the use of O pportunities you have to discover R obust processes are T ough to change U nder continuous observation there is a G reater chance for timely improvement A gile can be made even L ean but never mean