applying agile for large scale development at microsoft romanenko
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Microsoft Ireland
Vlad RomanenkoProgram Manager, CSM
Mobile Hotmail
Microsoft: Move to AgileBefore
Marketing driven releasesBig feature promises up-frontCommitted release date that always slipped
NowNo committed release dateTechnical Community Previews (TPC)Incorporating customer feedback
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Agile in Microsoft?No single methodology across companyHuge product suites – lots of dependenciesLegacy architecture – hard to adopt new tools
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Windows Live HotmailSuite: Hotmail, Messenger, Calendar, Spaces, …270 million users10 000 servers
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Hotmail MobileDeveloped in 1 yearTeam: 6 people
1 program manager3 devs2 devs in test
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Team rolesScrum
Product OwnerScrum MasterTeam
MicrosoftProgram ManagerSoftware Development EngineerSDE in Test
Is there a match?
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Managing requirementsScrum
Product backlogUser stories
Microsoft‘1 page specs’PM SpecsSpeclets – the most agile wayDesign docsTest plan
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PlanningRelease cycle is ~1 year (Windows Live)Milestone is 3 month long (4 per release)Mini release at the end of each milestoneBig release at the end for the whole suite
How do you run the milestone?We tried 2 week sprintsNo clear sprint boundaries
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Daily ScrumEffective communication toolEach team member has individual office – no open spaceFlexible working hours – need enough overlap time11:40-12:00 – just before lunchWhoever is late pays 1 euro for team building (= beer)
Weekly sync with remote teams (30 minutes)Scrum of scrum?
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Coding PracticesCode review – mandatory for every check-in
Over email + In-house tool (bbpack)Collective code ownershipContinuous integration
In-house solutionCoding standards
StyleCop / FxCopMicrosoft Ireland
Unit TestsNot yet introducedLegacy architectureWeb application
‘Critical mass’ is required for TDD adoptionInternal knowledge sharing – TDD seminars
Our team plans adopting TDD in coming releaseOther teams already have full TDD
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Testing methodologiesIt’s mobile web!Testing is done by EngineersAutomated functional testing (black-box)Visual Studio Test SystemCode coverage above 75%
Manual testing is required with mobile devicesTest plans are used to outsource manual testing
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ToolsIn-house web based
Poor support, deprecatedExcel – simpleRallyDev – costly for big teams
Future is…Team Foundation Server + MS Project
Integrated solution
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Usage for Agile Practices
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Team Attitudes
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