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Be an agile architect

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joelcrabb

The document outlines an agenda for an agile architecture workshop. The agenda includes sessions on agile architecture, defining the game/system, two rounds of gameplay with debriefings in between, and concluding remarks. It also provides background definitions and principles of architecture, how the complexity of a system and team size impact architectural approaches, and advice for architects emphasizing teamwork, empowerment, adaptability and vision over micro-management.

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February 4, 2013 1
Agile Architecture 15 Minutes Game Definition 15 Minutes Round One 30 Minutes Debrief 10 Minutes Round Two 25 Minutes Debrief 25 Minutes February 4, 2013 2
International Standard Definition: The fundamental concepts or properties of a system in its environment embodied in its elements, relationships, and in the principles of its design and evolution. Source: http://www.iso-architecture.org/42010/defining-architecture.html February 4, 2013 3
Functional Definition: Architecture provides a vision and path for the creation of services and applications which conform to the fundamental principles of the systems design. February 4, 2013 4
Every system has an architecture Every system needs a shared vision Agile Architecture is deciding when you conceive the architecture and how you will share it? February 4, 2013 5
SYSTEM COMPLEXITY HIGH Architect Architect Just-In-Time Early Emergent Architect LOW Architecture Just-In-Time SMALL < 10 LARGE > 50 TEAM SIZE February 4, 2013 6
SYSTEM COMPLEXITY Verbal HIGH And Document Document Document LOW Verbal And Verbal SMALL < 10 LARGE > 50 TEAM SIZE February 4, 2013 7
Conways Law Your architecture will resemble your organization Therefore, as an architect you should: Provide for loose coupling Preserve optionality Design for reuse Create APIs and SLAs February 4, 2013 8
Architects provide the technical background for business decisions Every decision involves tradeoffs: Jumping on short-term business benefits creates technical debt Pursuing a tactical upgrade postpones rebuilding from scratch Preventing hacks means spending time enforcing the architecture February 4, 2013 9
February 4, 2013 10
Define how you architect, for example: DRY Dont Repeat Yourself Single Responsibility Test Driven Hands-on, no ivory tower architects Continuous Everything Developer to Production Tools Empowered Teams Agile Manifesto February 4, 2013 11
February 4, 2013 12
Be the architect, but architect as a team "An army is a team. It lives, eats, sleeps, fights as a team. This individuality stuff is a bunch of bullsh*t." ~ General George S. Patton February 4, 2013 13
Make decisions, now! Be willing to make decisions. That's the most important quality in a good leader. ~ General George S. Patton February 4, 2013 14
Provide a vision, not micro-management Never tell people how to do things. Tell them what to do and they will surprise you with their ingenuity. ~ General George S. Patton February 4, 2013 15
Plan, but not too much A good plan executed today is better than a perfect plan executed at some indefinite point in the future. ~ General George S. Patton February 4, 2013 16
Listen to your people A leader is a [person] who can adapt principles to circumstances. ~ General George S. Patton February 4, 2013 17

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Be an agile architect

  • 2. Agile Architecture 15 Minutes Game Definition 15 Minutes Round One 30 Minutes Debrief 10 Minutes Round Two 25 Minutes Debrief 25 Minutes February 4, 2013 2
  • 3. International Standard Definition: The fundamental concepts or properties of a system in its environment embodied in its elements, relationships, and in the principles of its design and evolution. Source: http://www.iso-architecture.org/42010/defining-architecture.html February 4, 2013 3
  • 4. Functional Definition: Architecture provides a vision and path for the creation of services and applications which conform to the fundamental principles of the systems design. February 4, 2013 4
  • 5. Every system has an architecture Every system needs a shared vision Agile Architecture is deciding when you conceive the architecture and how you will share it? February 4, 2013 5
  • 6. SYSTEM COMPLEXITY HIGH Architect Architect Just-In-Time Early Emergent Architect LOW Architecture Just-In-Time SMALL < 10 LARGE > 50 TEAM SIZE February 4, 2013 6
  • 7. SYSTEM COMPLEXITY Verbal HIGH And Document Document Document LOW Verbal And Verbal SMALL < 10 LARGE > 50 TEAM SIZE February 4, 2013 7
  • 8. Conways Law Your architecture will resemble your organization Therefore, as an architect you should: Provide for loose coupling Preserve optionality Design for reuse Create APIs and SLAs February 4, 2013 8
  • 9. Architects provide the technical background for business decisions Every decision involves tradeoffs: Jumping on short-term business benefits creates technical debt Pursuing a tactical upgrade postpones rebuilding from scratch Preventing hacks means spending time enforcing the architecture February 4, 2013 9
  • 11. Define how you architect, for example: DRY Dont Repeat Yourself Single Responsibility Test Driven Hands-on, no ivory tower architects Continuous Everything Developer to Production Tools Empowered Teams Agile Manifesto February 4, 2013 11
  • 13. Be the architect, but architect as a team "An army is a team. It lives, eats, sleeps, fights as a team. This individuality stuff is a bunch of bullsh*t." ~ General George S. Patton February 4, 2013 13
  • 14. Make decisions, now! Be willing to make decisions. That's the most important quality in a good leader. ~ General George S. Patton February 4, 2013 14
  • 15. Provide a vision, not micro-management Never tell people how to do things. Tell them what to do and they will surprise you with their ingenuity. ~ General George S. Patton February 4, 2013 15
  • 16. Plan, but not too much A good plan executed today is better than a perfect plan executed at some indefinite point in the future. ~ General George S. Patton February 4, 2013 16
  • 17. Listen to your people A leader is a [person] who can adapt principles to circumstances. ~ General George S. Patton February 4, 2013 17

Editor's Notes

  1. Trade-offsChoices limit optionsStrategy mattersChange happens