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Enabling Business Outcomes Through Extreme Programming and Continuous Delivery

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Presented at Speed and Scalability: Winning with Software in Today's Modern Economy in Cleveland on May 2nd, 2019.

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Enabling Business Outcomes Through Extreme Programming and Continuous Delivery

  1. 1. Better Business Outcomes Through Extreme Programming and Continuous Deployment
  2. 2. Cover w/ Image Hi! I’m Simon Duffy I’ve been building software products for 15 years, primarily in Product Management roles. I gravitate towards opportunities where I get to work in teams and love doing things for the first time. I believe …. - the secret sauce of high performing teams is micro-communication - product management is a scientific process - there are no beaches in the world like Australia (that I’ve been to anyway)
  3. 3. Cover w/ Image Discussion flow … (maybe) ■ The balanced team ■ XP ○ TDD ○ Paired Programming ○ Continuous Integration ■ Continuous Delivery ■ XP & CD >> Business Performance
  4. 4. The Balanced Product Team
  5. 5. Lean Startup Reducing the risk of building the wrong thing while comfortably changing direction User Centered Design Ensuring the software solves a real problem for real users in a desirable and usable product. Extreme Programming Building working software at a consistent speed and quality in the face of changing requirements. Development Design Product Management Balanced Team
  6. 6. Lean Startup Reducing the risk of building the wrong thing while comfortably changing direction ● Minimum Viable Product (MVP) definition ● Identify risky assumptions ● Lean experiments ● Data driven decisions User Centered Design Ensuring the software solves a real problem for real users in a desirable and usable product. Extreme Programming Building working software at a consistent speed and quality in the face of changing requirements. Development Design Product Management PRACTICES Product Management
  7. 7. Lean Startup Reducing the risk of building the wrong thing while comfortably changing direction ● Minimum Viable Product (MVP) definition ● Lean experiments ● Identify & test assumptions ● Data driven decisions User Centered Design Ensuring the software solves a real problem for real users in a desirable and usable product. ● User Interviews ● Ethnographic studies ● Persona definition ● Prototype creation Extreme Programming Building working software at a consistent speed and quality in the face of changing requirements. Development Design Product Management PRACTICES PRACTICES User Centered Design
  8. 8. Lean Startup Reducing the risk of building the wrong thing while comfortably changing direction ● Minimum Viable Product (MVP) definition ● Lean experiments ● Identify & test assumptions ● Data driven decisions User Centered Design Ensuring the software solves a real problem for real users in a desirable and usable product. ● User Interviews ● Ethnographic studies ● Persona definition ● Prototype creation Extreme Programming Building working software at a consistent speed and quality in the face of changing requirements. ● Paired Programming ● Short iterations ● Continuous Integration ● Test-Driven Development Development Design Product Management PRACTICES PRACTICES PRACTICES Development
  9. 9. ”Continuous Delivery is the ability to get changes of all types—including new features, configuration changes, bug fixes and experiments—into production, or into the hands of users, safely and quickly in a sustainable way.” Principles: 1. Build quality in 2. Work in small batches 3. Computers perform repetition, humans solve problems 4. Relentlessly pursue continuous improvement 5. Everyone is responsible
  10. 10. Measuring software delivery performance * Metrics Definition Deployment Frequency Deployment to Production or an App Store *Proxy for batch size Lead Time for Changes Code committed to successfully running in Production MTTR Mean time to restore service Change Failure Rate % of changes that result in degradation of service or remediation * Referencing ‘Accelerate’ by Nicole Forsgren, PhD, Jez Humble and Gene Kim from this point onwards
  11. 11. Measuring software delivery performance Metrics High Performers Medium Performers Low Performers Deployment Frequency On demand (multiple per day) Between once per week and once per month Between once per week and once per month Lead Time for Changes Less than one hour Between one week and one month Between one week and one month MTTR Less than one hour Less than a day Between one day and one week Change Failure Rate 0-15% 0-15% 31 - 45%
  12. 12. Measuring Business Performance Profitability Market share Productivity Commercial measurements only
  13. 13. Measuring Business Performance Profitability Market share Productivity High performing software delivery organizations were twice as likely to meet or exceed these goals
  14. 14. How XP and CD enable software delivery performance Metrics Agile XP & CD Practices Deployment Frequency Highly correlated to implementation of version control and continious delivery Lead Time for Changes Highly correlated to implementation of version control and test automation MTTR Highly correlated to version control and monitoring Change Failure Rate Independently correlated to the other three combined
  15. 15. XP and CD key capabilities 8 statistically significant capabilities to improve SW performance: ● Version control ● Automate your deployment (the 10 minute build) ● Implement CI ● Trunk based dev methods ● Test automation ● Manage test data ● Build security concerns in ● Implement CD
  16. 16. Transform your entire business—not just your ITTECHNOLOGY CULTURE Build with empathy PROCESS Continuously improve TOOLS Focus on developer productivity PLATFORM Run any app, on every cloud, using one platform MODERN SOFTWARE PROCESS
  17. 17. Transforming How The World Builds Software © Copyright 2019 Pivotal Software, Inc. All rights Reserved.

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