1. kanban by eliminating delays
improves quality and
by managing WIP
lowers cost
Alan Shalloway
At Agile Japan 2010 , April 10, 2010

2. Kanban Based on Theory of Flow
Eliminate delays to improve quality and lower cost
Can start where you are
Tension of reducing Work-In-Progress guides what
to do

3. Request
Request Approve
Approve Refine
Refine Sign Off
Sign Off Analysis
Analysis
0.5 hr avg
0.5 hr avg 320 hrs .1 hr avg
.1 hr avg 80 hrs 60 hrs avg
60 hrs avg 320 hrs 1 hr avg
1 hr avg 80 hrs 40 hrs avg
40 hrs avg 80 hrs
Design
Design Review
Review Code
Code Test
Test Deploy
Deploy
40 hrs avg
40 hrs avg 2 hrs avg
2 hrs avg 80 hrs 80 hrs avg
80 hrs avg 80 hrs 40 hrs avg
40 hrs avg 80 hrs 3 hrs avg
3 hrs avg
160 hrs
20% Rejected 65% Defective
Repeat 1X Repeat 3X
map the value stream

4. -- Product Managers -- ---------------------------------------- Development Team ----------------------------------------
Fs or n dy
ed V d y s is d yf sig ea ode g
din Rea est
dy ng one
rov M ing ea ev
R d a ly a n D e R c C o st i
p
Ap Fs be ined An Re sig for Q
t
to Q T
e D
Q
V f for Q de Q
M re
Design of a kanban board

5. -- Product Managers -- ---------------------------------------- Development Team ----------------------------------------
Fs or n dy
ed V d y s is d yf sig ea ode g
din Rea est
dy ng one
rov M ing ea ev
R d a ly a n D e R c C o st i
p
Ap Fs be ined An Re sig for Q
t
to Q T
e D
Q
V f for Q de Q
M re
visual management for WIP

6. -- Product Managers -- ------------------------------------------------------- Development Team ---------------------------------------------------
to
o
s dyyt or n dy
d VF
e M g d y s Re ina d e
is Rea ne d yf sig ea ode g
din Rea est
dy ng one
rov n d ea ev
R d a ly fi ne
iine a n D e R c C o st i D
p
Ap Fs
i
be ine n def sts Def s Re sig
de sts De ts
f
for Q
t e Q
V f for Q A e
te Q st d e Q to Q T
M re t tes
te
queues and servers

7. -- Product Managers -- ------------------------------------------------------- Development Team ---------------------------------------------------
to
dy or n
d VFs
e M g d y s is Rea ne d yf sig dy
ea ode g
din Rea est
dy ng one
rov n d ea ev
R d a ly fi in e a n D e R c C o st i D
p
Ap Fs
i
be ine n de sts Def s Re sig for Q
t e Q
V f for Q A te Q st d e Q to Q T
M re te
smooth flow