07 requirements analysis - department of computer …requirements analysis is about identifying this...
Post on 27-May-2020
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lecture'7:'requirements'analysis'
!csc302h!
winter!2014!
recap'from'last'4me''
• managing!risk!in!the!context!of!so7ware!projects:!assessment!+!control!
• risk!exposure:!– RE!=!probability!×!consequences!(loss)!
• risk!reducHon!leverage:!– RRL!=!(REbefore!–!REa7er)!÷!cost!of!miHgaHng!acHon!– for!ROI!calculaHons!and!comparison!
• risk!assessment!– quanHtaHve!(if!you!can)!– qualitaHve!(risk!exposure!matrix)!
recap'from'last'4me'(2)'
• discussed!some!of!the!most!common!so7ware!engineering!risks!&!countermeasures!
• case!studies!(&!lessons)!– failed!mars!missions!– theracP25!(from!risks!digest!forum)!– annoying!oil!tank!with!a!phone!!
• don’t!have!iv&v!report!to!the!development!manager!(conflict!of!interest,!that’s!what!the!“i”!is!for)!
• principles!of!risk!management!
next%week:%%from%requirements%to%design%
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