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Architecture & Collaboration
cornerstones of continuous delivery
#AgileSlovenia @rachellaycock Monday, 14 October 13
Monday, 14 October 13
Architecture & Collaboration
cornerstones of continuous delivery
Monday, 14 October 13
Architecture & Collaboration
Monday, 14 October 13
Iteration 0 1 2 3 4
Analysis + Design
Development
Testing + Showcase
Integration + QA Release and operation
Customer
Centralized QA IT Operations
"Agile" team
The "last mile"
Agile 101
Monday, 14 October 13
Customer
Delivery teamConstant flow of new features into production
continuous delivery
Monday, 14 October 13
John Allspaw: “Ops Metametrics” http://slidesha.re/dsSZIr
feedback from usersreduce risk of release
Releasing frequently
Monday, 14 October 13
feedback from usersreduce risk of releasereal project progress
Continuous Delivery is big
Monday, 14 October 13
Continuous Delivery is big
Monday, 14 October 13
Organisational Alignment
Release Management
Architecture Quality Assurance
Continuous Integration
Configuration Management
Data Management
Environments & Deployment
Continuous Delivery is big
Monday, 14 October 13
Smells!
Monday, 14 October 13
#AgileSlovenia @rachellaycock
smell: things are slowsmell: Confusion
smell: ivory towerssmell: it never gets better
Monday, 14 October 13
smell: things are slow
Monday, 14 October 13
Monday, 14 October 13
ANTI-pattern: ball of MUD
Monday, 14 October 13
ANTI-pattern: ReAL ball of mud
Monday, 14 October 13
ANTI-pattern: tight coupling
Monday, 14 October 13
pattern: Loose coupling
Monday, 14 October 13
pattern: Micro services
Monday, 14 October 13
Postel’s Law
Last responsible moment
Architect and develop for evolvability
Conway’s Law
Architect for testability
pattern: Evolutionary architecture
Monday, 14 October 13
pattern: untangling
Monday, 14 October 13
pattern: Feature Toggles
http://martinfowler.com/bliki/FeatureToggle.htmlMonday, 14 October 13
pattern: branch by abstraction
http://continuousdelivery.com/wp-content/uploads/2011/05/branch_by_abstraction.png
Monday, 14 October 13
Monday, 14 October 13
ANTI-pattern: heavy risk management
Monday, 14 October 13
pattern: lightweight risk mgmt
Monday, 14 October 13
#AgileSlovenia @rachellaycock
smell: things are slowsmell: Confusion
smell: ivory towerssmell: it never gets better
Monday, 14 October 13
smell: Confusion
Monday, 14 October 13
ANTI-pattern: Too much re-work
Monday, 14 October 13
pattern: automation
Monday, 14 October 13
ANTI-pattern: massive org structure
Monday, 14 October 13
ANTI-pattern: silos
Monday, 14 October 13
ANTI-pattern: distance
Monday, 14 October 13
pattern: devops
Monday, 14 October 13
pattern: feature teams
Monday, 14 October 13
ANTI-pattern: single point of failure
Monday, 14 October 13
Product opportunity assessment
Product discovery Development Final testing
and approval ReleaseProduct
planning and estimation
Elapsed time
Value-added time3 days 1 week 10 days 7 weeks 1 week 2
hours
1 week 10 days 3 days 5 days 2 days
pattern: value stream mapping
Monday, 14 October 13
pattern: big visible charts
Monday, 14 October 13
Customer
Delivery teamConstant flow of new features into production
pattern: iterative development
Monday, 14 October 13
#AgileSlovenia @rachellaycock
smell: things are slowsmell: Confusion
smell: ivory towerssmell: it never gets better
Monday, 14 October 13
smell: ivory towers
Monday, 14 October 13
ANTI-pattern: civil architecture
Monday, 14 October 13
pattern: town planning
Monday, 14 October 13
pattern: SELF-organisation
Monday, 14 October 13
pattern: Architect For build, run and deploy
Monday, 14 October 13
#AgileSlovenia @rachellaycock
smell: things are slowsmell: Confusion
smell: ivory towerssmell: it never gets better
Monday, 14 October 13
smell: it never gets betterMonday, 14 October 13
ANTI-pattern: BIG BANG
Monday, 14 October 13
pattern: wabi-sabi
Monday, 14 October 13
pattern: retrospectives
Monday, 14 October 13
#AgileSlovenia @rachellaycock
smell: things are slowsmell: Confusion
smell: ivory towerssmell: it never gets better
Monday, 14 October 13
Monday, 14 October 13
Thank you!
RACHEL LAYCOCK
http://thoughtworks.com@rachellaycock
#AgileSlovenia @rachellaycock Monday, 14 October 13
ResourcesBooks:• Continuous Delivery - Jez Humble, Dave Farley• Working Effectively with Legacy Code - Michael Feathers• Release It - Michael Nygard• Domain Driven Design - Eric Evans
Articles/Blogs:• Branch by Abstraction - Jez Humble: http://continuousdelivery.com/2011/05/make-large-scale-changes-incrementally-with-branch-by-abstraction/• Branch by Abstraction - Paul Hammant:http://paulhammant.com/blog/branch_by_abstraction.html/• Feature Toggles - Martin Fowler: http://martinfowler.com/bliki/FeatureToggle.html• Evolutionary Architecture - Neal Ford: http://www.ibm.com/developerworks/views/java/libraryview.jsp?search_by=evolutionary+architecture+emergent+design:• Ball of Mud: http://www.laputan.org/mud/• Demming - http://leanandkanban.wordpress.com/2011/07/15/demings-14-points/• Coding Horror: http://www.codinghorror.com/blog/2007/11/the-big-ball-of-mud-and-other-architectural-disasters.html
Monday, 14 October 13
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