CASE STUDY IT Concepts and Systems Analysis and Design
Submitted to: Retardo, Jon Cristoper R!
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(eader: Apostol )e )ernie rnie Anne *embers: Aberca, *ary Cris *! Ariola, +ael Ann -ristine Castro .i/o 0ernando "utierre, Ru##a *ae
I .
Backgr oundoft heCase
Thedi s c us s i o nc e nt e r sasKa r e yWi l l i a msan dT om Pe t r o ff,I Tp r o f e ss i on al s( ofMo nd oc k Co. )as s i gnedi nan ewman uf ac t ur i ngsy s t em pr oj ec t ,t r i est odet er mi n eandi mpl ementt he a ppr o pr i a t eme t h od ol o gyt obeus ed . Thi spr o j ec tc on c er n swi t hu si n gt h ei rn ewr el a t i o na ld at a ba s ema na ge me nts y s t em, ma ki n gt hi sp r o j ec tmo r ec omp l e x ,wh i c hc on fli c t swi t ht h eo nc omi n gd ea dl i n eb es e ec he db y t hes pons or . Conc ur r ent l y , t he yar ec ons i der i ngt heRapi dAppl i c at i onDe v el opment( RAD) me t ho dol o gy , whi c hi sf as t ert oc on duc t ,an dt owhi c ht he yh av enos uffic i e nte xper i enc e,f or t hi spr oj ec t . Be c au s et h ema nu f a c t u r i n gp eo pl ear eno ts e ns i b l eab ou tt h en ewd at a ba s es y s t e m c apabi l i t i es ,t her ei sami norar gumenta bo utt heac t ual i mpl eme nt at i onandus eoft he dat abasemanagementsy st em. Thi ss t u dys eek st oe x ami n ewh i c hme t h od ol o gyi sap pr o pr i a t et ou s eb yt h eI SPr o j e ct l eader( Kar ey )c ons i der i ngt het ar getdat e,wi t ht hei nt entt omeett hepar t i c ul arneedsoft he u s er san dc on s eq ue nt l ymak et h ei rwo r kmo r ec os t eff ec t i v e . I I .
St at ementoft hePr obl em Wh i c hme t h od ol o gys ho ul dt h es y s t e md ev e l o pme ntt e am u s ei nt h i spr o j e c t ? •
•
I I I .
Cas eObj ec t i ve i . I d en t i f yt h ea c t i o nst h atc a nb et a k enr e ga r d i n gt h ep r o j e c t . i i . As s e s st h ec o ns e qu en c esa ndf e as i b i l i t yo fe ac ha c t i o nt ot h ef u l fi l me nto ft h e i i i .
I V.
Whatar et h ef ac t or st hatdi s c our agedKar e y ,I S pr oj ec tl eader ,f r om us i ngt he or gani z at i on’ st r adi t i onal SDLC?
pr oj ec t . Se l e ctt h emo s ta ppr o pr i a t eac t i o nf ort hepr oj e ct .
Al t er nat i veCour sesofAct i on 1 . Ex e c u t et h ep r o j e c tu s i n gRADme t h o do l o g y .
Pr os
-Re d uc e dde v e l o pme ntt i me . -I nc r eas esr eus abi l i t yofc omponent s -Qui c ki ni t i al r ev i ewsoc cur -En c o ur a ge sc us t o me rf e ed b ac k I nt egr at i onf r om v er ybegi nni ngs ol v esal ot ofi nt egr at i oni s sues.
Cons
-De pe nd sons t r o ngt e am an di n di v i d ua l per f or manc esf ori dent i f y i ngbus i nes s r e qu i r e me nt s . -On l ys y s t e mt h atc a nb emo du l a r i z e dc a nb e bui l tus i ngRAD -Requi r eshi ghl ys ki l l eddev el oper s / des i gner s . -Hi g hd epe nd en cyonmo de l i n gs k i l l s -I nappl i c abl et oc heaperpr oj ec t sasc os tof mo de l i n ga nda ut o ma t e dc o deg en er a t i o ni sv e r y hi gh.
2. Ex e c ut et h ep r oj e ctu s i n gt h et r a di t i on al SDL Cme t h od ol o gy( wat e r f a l l mo de l )
Pr os
Cons
-Th es y s t e msd e v e l o pme ntt e am i smo r e f ami l i arwi t ht hi smet hodol ogy . -St abl epr oj ec tr equi r ement s -Pr o gr e ssofs y s t e mi sme as ur a bl e
-Ti mec o ns u mi n g -Nev erbac kwar d( T r adi t i onal ) -Li t t l er oom f ori t er at i on -Di ffic ul t yr es p on di n gt oc h an ge s
3 . Fi n da no t h era pp r o ac h( e . g .a gi l ede v e l o pme nt )
Pr os
Cons
-g oo da ndor g ani z e di n v ol v e me nto f c u s t o me ra nds t a k eh ol d er -c on t i n uo usf e ed bac k -mo r efl e x i b l et oc h an ge s -t eam mot i v at i on -v er yt r ans par e ntwh ent r ac i n gpr ogr es s
-Pl a nn i n gc a nb es o me t i me sbedu bi o us . -Ti meandeff or t swi l l bec ont i nual l y r equi r edf r om pr od uc tr es our c es . -T e am me mb er smu s tb eh i g hl ys k i l l e d V. V.
Ev a l ua t i onofCour s esofAc t i on Ar easofCons i der at i on So f t wa r eRe l i a bi l i t y 2 5% Sca l eandCompl ex i t y 25% Ti mee ffic i en c y 20 % Cos tEffec t i v enes s 15% I n t e r a ct i v i t y 1 5%
T ot al 100%
Bas edont heal t er nat i v ec our s esofac t i ons t at ed,t hepr oj ec twi l l beas ses sb yt hef ol l owi ng ar easofc ons i der at i on: 1 . Sof t wa r eRe l i a bi l i t y( 2 5 %) Thi sar eaf oc us esoner r orpr ev ent i on,wa yst oi dent i f ypot ent i al l yc aus eer r or st hatmi ght h ap pe na td i ff er en tl i f ec y c l ep has e san dme as ur esh owc l o se l yas y s t e m ma t c h esi t ss t a t e d s pec i fi cat i on. 2. Scal eandCompl exi t y( 25%)
Th i sfi el ds ho wst hegr o wi n gmi s ma t c hb et we ent hene wr e l a t i on al d at a ba ses of t war eoft h e manuf ac t ur i ngpr oj ec tandt hehumanabi l i t yt ounder s t andandi nt er ac twi t ht hepr ogr am.I t i nt endst oaddr es ss cal abi l i t y ,c ompl ex i t yi s suesandt headapt abi l i t yoft hes of t war e. 3. Ti meEffici ency( 20%) Thi ssec t i onr ef er st ot hel eas tamountoft i mepos si bl et oc ompl et et hepr oj ec tbyut i l i z i ng t heav ai l abl er es our c esnec es sar yf ort hei mpl ement at i on,ev al uat i onandi nt egr at i onofal l p r o c e s s e sa nds y s t e ms . 4. CostEffect i venes s( 15%) Thi sr egi ons oug htt hebr oadv i ewofc os t sandb enefi t s ,i nc l udi ngs hor tandl onger t er m eff ec t st hatr efl ec t st hei nt er es t sofpr oj ec ts pons oraswel l ast heor gani z at i on’ sempl oy ee wh owi l l beaff ec t e db yt h es of t wa r ep r og r am. 5 .I nt e r a ct i vi t y Thi spar td i s t i ngui s hest hec ommuni c at i onpr oc es st h att ak esp l ac ebe t wee nt heus erwhi c h i st hemanuf ac t ur i ngpeo pl eandt hene wr el at i onal d at abas es y s t em.Al l owi ngt hesof t war e t oac c epta ndr es pondf r om t hei nputr ec ei v e.
Sof t wa r e
Scal eand
Ti me
Cost
Rel i abi l i t y
Compl e x i t y
Effici ency
Effe c t i v e ne s s
( 25%)
( 25%)
( 20%)
( 15%)
ACAi
10%
7%
8%
5%
3%
33%
ACAi i
8%
10%
6%
7%
7%
38%
ACAi i i
7%
8%
6%
3%
5%
29%
I nt er a ct i vi t y
TOTAL
( 15%)
( 100 %)
Th et a bl ea b ov eg i v e si n f o r ma t i o no nwh att h es y s t e md e v e l o pme ntt e am s h o ul du s ea mo ngt h et h r e e a pp r o ac h eswh i c hha sbe enr a nk e db as e do nt h eg i v e nar e aso fc o ns i d er a t i o ns .Th ep er c e nt a ges ho we d o ne ac ha l t e r n at i v ec ou r s esofa ct i o n( ACA)i sba s edo nt h epr o sa ndc o nss t a t e d.Asar e su l t ,ACA i i r a nk e dfi r s twh i c ha l s oh a st h eh i g he s tp e r c e n t a g eo fs c a l ea n dc o mp l e x i t y( 1 0%)b u tt h el o we s t p er c e nt a geoft i meeffic i e nc y( 6 %) . VI .
Recommendat i on
Af t erac ar ef ul e x ami nat i onoft hei mpl ement at i onoft h en ewr el at i onal dat abas es of t war eandappr opr i at e me t ho dol o gyt ous et h ef o l l o wi n gp r op os i t i o nsc anb ema de . Fi r s t ,t heeff ec t i v enes sands c al abi l i t yus i ngt het r adi t i onal SDL C met hodol ogyenabl est ofi nds ol ut i onst o mo r ec o mp l e xp r o bl e ms .
Sec ondl y , t r adi t i onal SDL C met hodol ogywi l l r equi r et i met ot ak ebuti ti seas i ert oadaptb yt het eam s i nc e t he yhadmor eex per i enc edi nus i n gt hi sk i n dofme t ho dol o gy . Th i r d ,t h ec ha ngeo fma nuf ac t u r i n gp eo pl en eg at i v ea t t i t u det ot h en ewa ndmo de r n i z eds of t wa r ec anb e ac hi e vedb yfi t t i ngt hes of t war et ot hec ompany ’ senv i r onmentandabi l i t yt or el ear n. T oc o nc l u de ,i tc anb es ai dt h ata st h ec omp an yu set h et r a di t i on alSDL C me t h odo l o gy ,eff ec t i v e ne ssof t hepr oj ec tc anbeas s ur edt houghi twi l l t ak et i met ofi ni s ht hesai dappr oac h. VI I .
Bi bl i ogr aphy :
SDL C:SDL Cmo de l sAd v a n t a ge s&Di s a d v a nt a ge s .( 2 00 8,Oc t o b er2 0) .Re t r i e v e df r o m ht t p: / / www. dr dobbs . c om/ ar c hi t ec t ur eanddes i gn/ s dl c s dl c model s adv ant agesd i s a dv a nt a ge / 2 28 70 10 74 Wh ati sRADmo de l -a dv a nt a ge s ,d i s a dv a nt a ge sa ndwh ent ous ei t ?( 2 01 6) .Re t r i e v e df r o m ht t p: / / i s t qbe xamc er t i fi cat i on. c om/ what i s r admodel adv ant ages di s adv ant agesa nd wh en t o u s ei t / Ros enbl at t ,H.J .( 2013) .Un de r s t a nd i n gSy s t e m An al y s i san dDe s i g n. Phi l i ppi nes :Ceng age Lear ni n gAs i aPt eL t d. Ro us e ,M.Sy s t e msde v el o pme ntl i f ec y c l e( SDL C) .( 2 01 6) .Re t r i e v edf r o m ht t p: / / s ear c hs of t war equal i t y . t ec ht ar get . c om/ defi ni t i on/ s ys t ems d ev el opment l i f e- c y c l e Sof t war ede v el opmentl i f ec y c l e( SDL C) .( 20 16) .Re t r i e v edf r om ht t p: / / www. v er ac ode. c om/ s ec ur i t y / s of t war ede vel opment l i f ec y cl e
