1. 2. 3. 4. 5. 6. ATAM7. 1. 2. 3. 4. /5. 6. 7. 91. 2. 3. 4. 5. 6. 7. 8. 9. 10. ATAMSystemQualityAttribute• Performance• Availability• Usability• Security• Maintainability• Portability• Reusability• TestabilityEndUser’sviewDeveloper’sview• TimeToMarket• CostandBenefits• Projectedlifetime• TargetedMarket• IntegrationwithLegacySystem• RollbackScheduleBusinessCommunityviewATAM–Cost/Benefit• Cost– 1–2weeksoftimefor8–10highlypaidpeople,2daysforanother10-12people(forfullformalprocess!)– Delaysprojectstart– Forcesdevelopmentofarchitectureupfront• Benefit– Financial–savesmoney– Forcespreparation/documentation/understanding– Capturesrationale– Catcharchitecturalerrorsbeforebuilt– Makesurearchitecturemeetsscenarios– Moregeneral,flexiblearchitecture– ReducesriskATAMSteps1. 2. 1. 2. 3. 4. 5. 3. 1. 2. 3. 4. 1. 5. 1. 2. “”3. • • 7• • • • • • • • • • • • • • • • • ()?• WBS• • • • • • • • • POCProofofConcept?Contact:xue.anzhen@gmail.com