The vast majority of (so called) kanban boards contain no kanban.

The vast majority of (so called)

kanban boards contain no kanban.

Not one!

push-me pull-you

kanban?

Kan-ban is a Japanese word that literally means

"signal card" in English. In a manufacturing

environment, this card is used as a signal to tell an upstream

step in a process to produce more

work.





work.

kanban?

Everything is a system.

Everything is part of a larger system.

Everything is a system.

Everything is part of a larger system.

One cannot determine the character or nature of a

system within itself.



kanban system

?

The first principles of Kanban are to limit work-in-progress

and to pull work using a visual

signalling system.



signalling system.

The first principles of Kanban are to limit work-in-progress and to pull work

using a visual signalling system.



Wibbling Fubaring

storystorystorystory

Wibbling Fubaring

donedonedonedone

Wibbling Fubaring



signalling system.



signalling system.

no

Wibbling Fubaring

donedonedonedone

Wibbling Fubaring (4)

donedonedonedone


donedonedonedone

?

donedonedonedone 1


?

donedonedonedone 1

2


?

donedonedonedone 1

2

3


?

donedonedonedone 1

2

3

4


?

donedonedonedone 1

2

3

4

at_wip_limit = (4==4)Wibbling Fubaring (4)

?

donedonedonedone 1

2

3

4

at_wip_limit = trueWibbling Fubaring (4)

?

donedonedonedone 1

2

3

4

no


?

at_wip_limit = true



signalling system.



signalling system.

yes





no

The first principles of Kanban are to limit work-in-progress and to pull work using a visual

signalling system.

The first principles of Kanban are to limit work-in-progress and to pull work using a visual

signalling system.

?

vision is by far our most dominant

sense, taking up half of our

brains resources.

vision is by far our most dominant

sense, taking up half of our

brains resources.

Wibbling (5)





at_wip_limit = (4==5)

Wibbling (5)





at_wip_limit = false

Fubaring (3)




at_wip_limit = (3==3)

Fubaring (3)




at_wip_limit = true

Wibbling (5) Fubaring (3)








truefalseat wip limit?









truefalse









these two columns look exactly the same

that bothers me









to limit wip we've added wip limits









to limit wip we've added abstractions









that bothers me too









ache here?

pill here

companies inevitably feel they can computerise this whiteboard, however, they almost always create a more

elegant but less useful system

companies inevitably feel they can computerise this whiteboard, however, they almost always create a more

elegant but less useful system

push-me pull-youkanban

Wibbling (5)





Fubaring (3)




Wibbling (5)


Fubaring (3)







kanbankanbankanbankanban

Wibbling (5)

1

Fubaring (3)










Wibbling (5)

1

2

Fubaring (3)











Wibbling (5)

1

2

3

Fubaring (3)












Wibbling (5)

1

2

3

4

Fubaring (3)













Wibbling (5)

1

2

3

4

5

Fubaring (3)








Fubaring (3)Wibbling (5)














kanbankanbankanbankanban 1
















2

















2

3storystorystorystory













notneeded

notneeded
















WibblingWibbling FubaringFubaring
















every story must always be in its own

kanban

1.Limiting

forbidden

ok

ok

1.Limiting

WibblingWibbling FubaringFubaring

















Wibbling Wibbling FubaringFubaring



signalling system.



signalling system.

yes





?

pulling





work.





work.

an "empty" kanban is sent to

an upstream process

2. Pulling


pullsignalpull

signal


donedonedonedone

pullsignalpull

signal


pullsignalpull

signal


donedonedonedone





yes

done stories look the same as in-progress stories

Wibbling Wibbling done in-progress

Wibbling Wibbling done in-progress

that bothers me

Wibbling Wibbling donein-progress

Wibbling Wibbling

donedonedonedone

donein-progress

Wibbling Wibbling in-progress done

Wibbling Wibbling

pushpush

in-progress done

pushing

a "full" kanban is sent to a

downstream process

3. Pushing


donedonedonedone


donedonedonedonepushpush


pushpush

patterns

FubaringFubaring SnafuingSnafuing

?


?

Wibbling Wibbling FubaringFubaring SnafuingSnafuing

? ?

just in time


donedonedonedone

100% utilization

75% utilization

slack

observation

Wibbling Wibbling FubaringFubaringSnafuingSnafuing

observation

"backlog"

customer

donedonedonedone

free free parkingparking




donedonedonedone



thank you

The vast majority of (so called) kanban boards contain no kanban.

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