EC25-Schedule_Estimation

Communications overhead mid course stretchout pay

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Unformatted text preview: chedule – • Pre-planned smaller team: less communications overhead Mid-course stretchout: pay longer for tech, admin overhead Lean, agile, value-based methods; product-line reuse Can optimize on schedule via concurrent vs. 16 10-22-2013 Outline • Methods for schedule estimation – – – • CORADMO Expedited Software Development Model – – – • Size and effort-based: CS 577b interpretation of COCOMO II effort Plan-based: critical-path analysis Cost-schedule tradespace analysis RAD: Rapid Application Development Expedited Schedule Drivers Relation to RAD Opportunity Tree 17 RAD Opportunity Tree elements 12-20-2012 8 RAD Opportunity Tree Also in SERC RT-20 Systems 2020 Report, Appendix B Figure 3. The RAD Opportunity Tree Em a n T s s l ii nt g a k i Rd c g i e e t s e ui n tm p r a k Rd c g i k o e ui n rs s f s g - o tf i u s i nl pi e na r le u i e s r c s r e g e rn Bs ns p oe s e n i n ei g e s g s e Ru i n ast s p c to s e ea o A l a n gn r t n pi i i e i n o c e u Ds g- t s hd l e o ad u mi n Tl o s n at o ao t o S em i g8- 0 W k t a ln r r i n(0 2) ce s g aa e s I nr a i n pr l l m li e u i g a u s Rd c nfi r le e u i g h i e e t Rd c nte rfc f s Rd c g a k a k g e ui n bc t c i r n ry r o e m a o E l er r l a ii nt n i o e s n h rp i t P cs a c o o s r n p v g r cs m u t I m oi r np oes a r y ti o a o to t c n l g Cl b r i n e h o l a oy Atv y e o ci i t nt wr k s em i g t a ln r in i i i i g a k e e d n i s M m n t s dpn e c n z e o i g i h a - nf n u A i nh vd g f n , ai ot e u i g a k ai n e Rd c n t s v ra c e o i g a k f o ci i a p t Rm n t s s r m rt c l a v h I ce s g f e tv nr a i ne c e f i wr we o k ek x dvl p e t 2 7 ee 4 om n i h y u d , t s n N gt l bi s et g l i e k n wr i r W e e d aro s Bt e p o l a d n e tv s e r ep t e n i cn e i Ta s i n o e r i g r a i a o r n i o t l an t no gn t n zi 12-20-2012 4 Potential Critical Success Factors Areas Final Database Over 30 Interviews with Gov’t/ Industry Rapid Development Organizations Over 23,500 words from interview notes Product, Process, People … all in a Project Context Product Factor Elements • Product simplicity (of interfaces, legacy migration, -ilities) – • Ability to reuse product elements – • Very Low: None; Extra High: 90% Ability to defer low-impact aspects – • Very Low: Extremely complex; Extra High: Extremely simple Very Low: Never; Ext...
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This document was uploaded on 03/10/2014.

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