butterfly effect in release management
TRANSCRIPT
Butterfly EffectKevin Parker
Vice president and chief evangelist
SERENA SOFTWARE INC.
SERENA SOFTWARE INC.2
EdwardLorenz
SERENA SOFTWARE INC.3
TomMurphy
SERENA SOFTWARE INC.4
BarryBoehm
Exponential Cost Curve
SERENA SOFTWARE INC.5
SERENA SOFTWARE INC.6
Client Major Minor Fix
Large pharmacy chain (US)
6/year38 days
24/year12 days
250/year7 days
High street retailer (UK) 12/year40+ days
12/year7-10 days
500/year1-5 days
Major retail bank (US & D) 4/year98 dy avg
12-18/yr15-30 dys
Unknown1-7 days
Large government department (US)
12/year42 days
Many15 dy min
30-50/mth1 day
Aerospace contractor (US) 4/year30 days
8/year30 days
10-20/mthSame day
Travel booking site 4/day1 day
None 10/weekSame day
SERENA SOFTWARE INC.7
Waterfall
Agile Waterfall
Wagile Waterfall
Waterfall
Agile Wagile Waterfall
Agile
SERENA SOFTWARE INC.8
SERENA SOFTWARE INC.9
Topology
Compliance
Geography
Time to market
Risk
SERENA SOFTWARE INC.10
SERENA SOFTWARE INC.11
SERENA SOFTWARE INC.12
SERENA SOFTWARE INC.13
SERENA SOFTWARE INC.14
Development Release Operations
Natural extension of development
path
Appropriate separation of
duties
Maximum control over
Service Transition
Expert in new system content
and updates
Expert in deployment
tasks and steps
Expert in operation of
system
Optimistic and change centric
Pragmatic and results centric
Pessimistic and stability centric
Tendency to collapse
activities at end of project
Seen as “honest broker”
and results oriented
Tendency to revalidate
already tested content
Measured on rate of change
Measured on volume of
change
Measured on uptime
SERENA SOFTWARE INC.15
Value Engineering from Serena
• Free service
• 10 day process• 1 day of interviews• 8 days of research• ½ day of presentation
• Independent report
• Realizable value
• Industry comparatives
• Actionable plan
• Contact• Serena Software• [email protected]
SERENA SOFTWARE INC.16
