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Butterfly effect in release management
- 1. Butterfly Effect Kevin Parker Vice president and chief evangelist SERENA SOFTWARE INC.
- 2. SERENA SOFTWARE INC. Edward Lorenz
- 3. SERENA SOFTWARE INC. Tom Murphy
- 4. SERENA SOFTWARE INC. Barry Boehm Exponential Cost Curve
- 7. SERENA SOFTWARE INC. Client Major Minor Fix Large pharmacy chain (US) 6/year 38 days 24/year 12 days 250/year 7 days High street retailer (UK) 12/year 40+ days 12/year 7-10 days 500/year 1-5 days Major retail bank (US & D) 4/year 98 dy avg 12-18/yr 15-30 dys Unknown 1-7 days Large government department (US) 12/year 42 days Many 15 dy min 30-50/mth 1 day Aerospace contractor (US) 4/year 30 days 8/year 30 days 10-20/mth Same day Travel booking site 4/day 1 day None 10/week Same day Waterfall Agile Waterfall Wagile Waterfall Waterfall Agile Wagile Waterfall Agile
- 9. SERENA SOFTWARE INC. Topology Compliance Geography Time to market Risk
- 14. SERENA SOFTWARE INC. 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
- 17. Thank you [email_address] +1-650-224-1691 +44-7522-222364 SERENA SOFTWARE INC. Read my blogs at