ATaleofCloudsParadigmCompariso
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Cloudcomputi
gisa
emergi
gcomputi
gparadigmItaimstosharedatacalculatio
sa
dservicestra
spare
tlyamo
gusersofamassivegridAlthoughthei
dustryhasstartedselli
gcloudcomputi
gproductsresearchchalle
gesi
variousareassuchasUIdesig
taskdecompositio
taskdistributio
a
dtaskcoordi
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arestillu
clearThereforewestudythemethodstoreaso
a
dmodelcloudcomputi
gasasteptowardide
tifyi
gfu
dame
talresearchquestio
si
thisparadigmI
thispaperwecomparecloudcomputi
gwithservicecomputi
ga
dpervasivecomputi
gBoththei
dustrya
dresearchcommu
ityhaveactivelyexami
edthesethreecomputi
gparadigmsWedrawaqualitativecompariso
amo
gthembasedo
theclassicmodelofcomputerarchitectureWefi
allyevaluatethecompariso
resultsa
ddrawupaseriesofresearchquestio
si
cloudcomputi
gforfutureexploratio
Keywordscloudcomputi
gparadigmcompariso
Cloudcomputi
gisaparadigmthatfocuseso
shari
gdataa
dcomputatio
soverascalable
etworkof
odesExamplesofsuch
odesi
cludee
dusercomputersdatace
tersa
dWebServicesWetermsucha
etworkof
odesasacloudA
applicatio
basedo
suchcloudsistake
asacloudapplicatio
Thisparadigmisi
creasi
glypopulari
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dustrywherei
dustrialleaderssuchasMicrosoft26Google2a
dIBM5stro
glypromotetheparadigmi
rece
tyearsA
earlyattempttoformulatecloudcomputi
gdatesbacktoatleast19978Howevertoourbestk
owledgetheadoptio
a
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ghasbee
slowu
til20079Weobservethatthehistoryofearlyi
dustrialadoptio
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gsharesomecommo
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eswiththatofservicecomputi
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gtimete
yearsorsotoreceiveworldwidesupportfromleadi
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ieslikeIBMMicrosoft25BEAa
dOracleSimilarlyithasbee
ma
yyearssi
cetheearlyformalizatio
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gBesidesthewideadoptio
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gparadigmusuallydepe
dshighlyo
thematurityofsupporti
g
ftech
ologiesa
di
dustryrecog
itio
sServicecomputi
ghasbecomemuchmorepopularsi
cethesuccessofWebservicesalthoughaWebserviceiso
lyo
eofthetech
ologiestofulfillthe
otio
ofserviceorie
tatio
4Similarlythedistributedcomputi
gcommu
ityhaspoi
tedoutthatma
ydistributedcomputi
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ghavebee
mature71011Ma
ycompa
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dIBMhavebegu
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es510Lastbut
ottheleasti
eitherservicecomputi
gorcloudcomputi
gresearchdevelopme
tslagbehi
di
dustrialadoptio
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sta
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atio
alco
tai
ershipperhasasuccessfuladoptio
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