650
2562046470016778155
Klaithem72543702341652734114635837318401017
Saeed1800437023496233342450619
Al24774370234138246
Nuaimi27814370234161311448500677729
Department725651014981156232313348384495569643679
of1441651014975112
Networking1589651014987161197290365400457476550631
College725795014989164183203277358433
of1195795014975111
Information134379501492094130205240351432468488563636
Technology2016795014953109178247321396415490571631
Dissertation7241099017098132193255344389431524566599689773
Title72412930122426696120184
A17561295012074
Partial18571295012060128158192212280300
Replication21851295012061126194214234299367401421486547
Load27601295012046112180248
Balancing30361295012058126146214275340360421488
Technique35521295012042107172233294314382443508
for4088129501203197127
Distributed4242129501207595134168198218286347381446514
Data47841295012074142176245
as50561295012069108
a51911295012068
Service52871295012050115145201221285350
on56651295012065126
the5819129501203495160
Cloud17561415012081101167228296
Faculty7241568012248114178238262292350
Advisor11021568012274140196220264328360
Dr.17561570012074104125
Nader19091570012074142210275305
Mohamed22421570012092158219287381446514
Defense7241723012270134162226286330394
Date11461723012270136166230
2817561725012055111
May18941725012092161214
201521361725012055111166222
Abstract7242039012274140184214246312376406
Data1756204509660114141196
as197920450965586
a2092204509655
service216920450963688112156172224276
(DaaS)246720450963594149203243273
is276220450962152
an2841204509655104
important296720450962196150203227254309357385
model3379204509675127182234250
on3651204509657106
the377920450963281133
Cloud,393920450966581134182237259
as422620450965485
DaaS4338204509660115169209
provides457420450965579131175191246298329
clients49252045096577389141190217248
with520020450966783110159
different53862045096547096121173197249297325
types573320450963275129181212
of596720450965883
large607220450962176100154206
files17562141096193955107138
and1916214109664113168
data2106214109664119146201
sets232921410964092119150
in250221410962574
fields259821410962948100116171202
like28222141096264282134
finance,29782141096294997152201253305327
science,332721410964092108160209261313335
health,3684214109658110165181208257279
geography,3985214109663115168222246300355404446469
astronomy,447621410966495122146198247299374417439
and4938214109664112167
many5137214109675129178221
others.538021410966289138190214245267
This567021410964392108139
includes583121410962574126142191245297328
all61822141096648096
types175622370962770125177208
of198322370965378
files20832237096173652104135
with223822370966682110158
varying241622370964499123166182231285
sizes27232237096284478130161
from29062237096234799174
a3100223709655
few317722370962274141
kilobytes33372237096415773125180222250302333
to369222370962477
hundreds378822370964998147201225277332363
of417122370965277
terabytes.427022370962577101156210253280332363385
DaaS4675223709659114169209
can4903223709652107155
be5078223709655107
implemented520722370961388143159211286338387414466521
and5747223709655104158
provided592522370965579131175191246298353
using17562333096498096144198
one1976233309660109161
data2159233309662117144199
center2380233309659111160187239263
or266523330966084
using277123330965687103152206
multiple3006233309675124140167183237253305
data3334233309662116144198
centers3554233309659111160187239263294
located387123330962375127182209261316
at420923330966289
different432023330966278103129181205256305332
locations467423330962476128183210226278327358
and5054233309662111166
usually524223330965687135190206222265
connected5529233309659112160209261313340392447
via599823330965268122
the614323330963483135
Internet.17562429096186794146170221273300322
When2103242909677126178227
data2355242909655109137191
is256824290962051
provided264424290965579131175191246298353
using30192429096528399148202
multiple3246242909675124140167183237253305
data3577242909655109136191
centers3793242909652104153180232256287
it410224290962047
is417124290961950
referred424324290962879105157181205256311
to457624290963183
as468424290965586
distributed479624290965470101129153169223272299351406
DaaS.5227242909660114169209231
DaaS5483242909660115169209
providers571824290965478130175191245297321353
must6096242909675124155182
ensure1756252509652101132180205256
that203425250962473127155
their221125250962372124140164
services239725250962880104148164216268299
are271525250965479130
fast,286725250962277108135157
reliable,30462525096217288104159214230282304
and3368252509655104159
efficient.35452525096527897116168184236285312334
However,3898252509655107173225270322346360
ensuring4276252509652101132181205221270323
these462225250962372124155207
requirements485125250962172127176192216267342394443470501
needs5371252509649101153208239
to563225250962476
be5727252509654106
done5852252509655107156208
while6078252509667116132148200
considering1756262109652104153184200255307331347396450
the222826210963382134
cost2384262109659111142169
associated257526210966293124176228244299326378433
and3030262109661110165
will32232621096678399115
be3360262109661113
carried3496262109658113137161177229284
by3802262109661104
the392826210963483135
DaaS4091262109660114169209
provider432226210966185138182198253305329
and4673262109661110165
most4867262109675127158185
likely50742621096233979131147190
by5286262109661104
the541226210963483135
users556926210965587139163194
as578526210966192
well.5906262109666118134150173
One6107262109670119171
tradi-tional175627170962751106161177203230246299348402418
approach2200271709654109164188240294346395
to261727170963183
support272227170963583138193245269296
a3044271709654
large31212717096197498152204
number3347271709652101176231283307
of367927170965378
clients37822717096526884136185212243
is404727170962051
to412027170963183
replicate422527170962879134150166218272300352
the459927170963079131
services475227170963587111155171223275306
on5084271709652101
different52112717096547096121173197249297325
servers555827170963486110155207231262
at584527170965582
different59532717096557196121173197249298325
locations.175628130961668120175202218270319350372
However,2154281309654107173225270322346359
this25362813096307995126
requires268428130962779134182198222274305
full30112813096297793109
replication314328130962779133149165217272299315367416
of358428130965378
all36872813096557187
stored379628130963562114138190245
data4066281309655110137191
sets,428028130963486113144166
which4472281309666115131183232
requires472628130962779133182198222274305
a5056281309655
huge5133281309652101155207
amount5365281309655130182231280307
of569728130965378
storage.579728130963461114138192246298320
The614028130963786138
huge175629090964997151203
storage198129090963057109133188242294
consumption2295290909652105153184233308363390406458507
will28232909096668298114
result295929090962374105154170197
in317829090961563
increased326429090961463115139190245276328383
costs.3667290909652105136163194216
Therefore,390529090963281133157209234287311362384
the431229090962574126
aim445829090965571146
of462529090965277
this47242909096267591122
research486829090962274105157212236287336
is522629090961445
to529329090962678
provide539229090965478131175191246298
a5710290909655
fast,578729090962478109136159
efficient59662909096527797116168184236285312
distributed175630050965571102129153169224272299351406
DaaS2184300509672127182221
for242830050963790114
the256430050963988140
clients,27263005096658197149197225256278
while3026300509679128144160212
reducing326030050963688143192243259308362
the364430050964089141
storage380730050964370123147201255307
consumption4136300509665117166197246321375402418471519
on4678300509665113
the481330050964089141
Cloud497630050967894146195249
servers524830050964395119163215240271
used554130050966192144199
by5762300509667110
the589430050964088140
DaaS6057300509672126181221
providers.175631010965579131175191246298322353375
The215331010963583135
method2311310109675127154203255310
I2643310109619
utilize26843101096497692108124158210
in291631010961665
this30033101096287793124
research314931010962476107159214238289338
for350931010962578102
fast363331010962580111138
distributed379431010965470101129153169223272299351406
DaaS4222310109660114169209
is445331010961647
the452331010962776128
collaborative4673310109652104120136191246298322377404420464516
dual-direction5212310109655103158174200255271295347399426442494543
download5777310109655108174223239291346401
of620031010965378
a1756319709655
file18333197096224157109
or196731970965377
dataset2069319709654109136191222274301
partitions2395319709654109133160176203219272320351
from276931970962751104179
multiple2972319709675124140167183238254306
servers330031970963486110154206230261
to358331970963082
the368831970962978130
client,38433197096526884136184212234
which4102319709666115131183231
will43583197096678399115
enhance4498319709652100149204253304356
the487731970962978130
speed502931970963488140192247
of530131970965278
the540131970963078130
download5556319709655107174223239291346400
process598131970965579131183235266297
significantly.175632930963147101150166185205256311360387403446468
Moreover,2246329309693145169221273318370394407
I2676329309637
partially2735329309674128152179195250266282325
replicate308232930964395150166182233288315367
the347132930964795147
file36403293096395975127
partitions3789329309673128152179195222238291339371
among4182329309673148201250304
Cloud4508329309684100152201256
servers4786329309650102126170222246277
using508632930966798114163217
the532532930964695147
previous549432930967498150194210262311342
download5858329309674127193242258310365420
experiences175633890965290145197221237289338390442473
I2251338909619
obtain2293338909653107134189205254
for256933890962679103
each2695338909652107158207
partition.2925338909655110134161177204220272321343
As329233890965990
a3405338909655
result,348233890962577108156172200222
I3726338909619
generate3768338909654106155207231286313365
partial4156338909655109133160176231247
sections442533890963385136163179232281312
of476033890965277
the486033890962877129
data5012338909655109136191
sets522533890963284112143
that539033890962877131159
will55723389096668298114
collectively5710338909651104120136188240267283327379395438
be6171338909655107
smaller1756348509631106161177193245269
than204734850962675130178
the224834850962675127
total239734850962678106160176
size25953485096314781133
needed2749348509649101153207259314
if308534850961541
full31483485096247389105
replicas327534850962375129145161213268299
are359534850965579130
stored374834850963057109133185240
on4009348509652101
each4132348509652106158207
server.436134850963082106150202227243
My4625348509674116
method4763348509675127154203255310
is509534850961546
self-managed;51633485096318399124150225280329383437489544566
and5750348509655104159
operates5930348509652107159183238265317348
only1756358109652101117160
when1948358109666115167216
more2196358109675127151203
storage242135810964168120145199253305
is274835810962657
needed.2827358109659111163217269324346
Therefore,319535810964493145169221246298322374396
replica361335810963486140156172224279
removals391435810963485160213257312328359
are429535810966488140
per-formed4457358109664116141167192245269346398453
only4932358109662111127170
when5133358109667116168217
necessary.5372358109658110162214245276331355398420
I5814358109628
evaluated5864358109662106161177225280307359414
my1756367709675118
approach1896367709667121176200252307359407
against2326367709666120175191240271298
other264636770966492140192216
existing2885367709664102118149176192241295
approaches3202367709667121176200252307358407459490
and3714367709667116171
demon-strated3907367709667119194246295322353380404459486538593
that452236770963988142169
it471436770962855
provides479136770966791143187203258310341
an5154367709667116
important5292367709628103158210234261316365392
enhancement5706367709664113162216265317369444496545572
to175637730962780
current1858377309657106130154206255282
approaches2162377309660115169193246300352401453484
in266837730962271
both2761377309660113140188
download2972377309660113179228244296351406
perfor-mance3400377309660112136165218242268343398447499551
and3973377309660109164
storage415937730963764116141195249301
consumption.4482377309658110159190239314368395411464513535
I5039377309624
also508537730966076107160
developed5267377309661113157209225277332384439
and5728377309660109164
analyzed5914377309661109164180223257309364
the175638690962776128
mathematical1913386909675130157206258333387414430482537553
model2495386909675127182234250
supporting276738690963887142196249273300316365418
my3214386909676118
approach3355386909661116170194246301353402
and3779386909661110165
validated3966386909651106122138193248275327381
its43703869096235081
accuracy.4473386909662113165214238293344387409
Therefore,490438690964290142166218243296320371393
I5320386909625
believe5367386909661113129145197242294
that568338690963483137164
it587038690962350
provides594238690966185138182198253305336
promising175639650965579131206222253269318371
results215039650963284115163179207238
to241039650963588
the252039650963584136
area267839650966387139194
of289439650966086
load300239650962476131186
balancing3210396509663118134188237289305354407
and3640396509663111166
storage382839650964067119143198252304
optimization4154396509661115142158233249283338365381434482
for465939650963385109
DaaS4791396509667122177217
on5030396509661109
the516239650963584136
Cloud.532839650966581134182237259
Keywords:5609396509656108151217270294348379401
Cloud604139650966581133182237
Computing,1756406109665117192247296323339388441464
Data-as-a-Service2242406109669123150205232286317344398425465517541585601653705
(DaaS),296940610963999153208248277299
load329140610962577132187
balancing,3500406109664119135189238290306355409431
storage395340610964067120144199252304
optimization.4280406109661116143159234250284339366382434483505
Research6804268017081171232322414459549633
Relevance13524268017081171204294372465549638728
and21194268017093177269
Potential24274268017079168210300384426459552585
Impact30524268017039170263355445487
This6804465096348399130
research83244650962476107159214238289338
aims119244650965470145176
to139144650962779
improve149244650961691146170222266318
the183344650962775127
download1983446509654107173222238290345400
time240544650962743118170
and2597446509655104159
storage277844650963158110134189243295
consumption3095446509652104153184233308362389405458507
on3624446509652101
the374744650962776128
cloud.389744650965268120169224246
The416544650963483135
impact432244650961691146200252279
of462344650965378
this47234465096277692123
research486844650962476107159213237289337
is522844650961647
mainly5297446509675129145194210253
in557244650961665
reducing565944650962476131179231247296350
the603144650962776128
storage68045610963158111135189243295
costs997456109652104135163194
by121345610965497
reducing133245610962476131180231247296350
the170445610962776128
amount1854456109655130182231280307
of218345610965277
storage228345610963158110134189243295
needed.2600456109649101153208260314336
Reducing2959456109648100155204255271320374
the335545610962776128
cost3505456109652104135163
will36904561096668298114
result382645610962476107156172199
in404745610961665
being4134456109654106122171225
able4381456109655109125177
to458045610962880
have4682456109649104148200
more4904456109675128152203
resources512945610962476107160208232283335366
to551845610962779
improve561945610961691146170222266318
other596045610965279128180204
services68046570963183107151167219271302
or100446570965377
reduce110346570962476131179231283
costs1408465709652104135162193
for162446570962577101
customers.1747465709652101132159211286338362394416
Relevant6804804017081171204294372465549591
Publications13104804017078162255288322412504546580669753815
•680500109648
Al77350010965975
Nuaimi,870500109659108163179254270292
Klaithem,118450010964763118134161210262337359
et156550010965279
al.16665001096557193
“A1781500109641100
Novel1903500109659112156208224
Approach2149500109659114168192244299351400
for257150010962577101
Dual-Direction2694500109660109163179206265281305357409436452504553
Load326950010963790144199
Balancing3490500109646101117171220272288337391
and3903500109654103158
Storage408350010964067120144198252304
Optimization4409500109670124152168243259293347374390443492
in492350010961664
Cloud501050010966581133182237
Services.”526950010964092116160176228280311333372
Network5663500109659111138205257281321
Computing680509709665117192247296323339388441
and1144509709654103158
Applications1324509709659114168184200252307334350402451482
(NCA),182850970963089154213243265
2014211550970964489133177
IEEE231450970961961104147
13th248350970964589116165
International26705097096186794146170221275302318371420474490
Symposium318250970964083158213265296312361436
on.3640509709652101123
IEEE,378550970961961104147169
2014.397750970964488132177199
[ERA419850970962871120179
Ranking:4399509709649103152192208257311333
A]475450970965987
•680519309648
Al77351930965975
Nuaimi,870519309659108163179254270292
Klaithem,118451930964763118134161210262337359
et156551930965279
al.16665193096557193
“Partial178151930964188143167194210264280
Storage208451930963967119143198252304
Optimization2410519309669124151167242258292347374390442491
and2923519309655103158
Load310351930963790144199
Control3324519309665118167194218270286
Strategy36325193096406791146173225278321
of397651930965277
Cloud407551930966581134182237
Data4334519309660114142196
Centers.”4552519309665117166193245269300323361
The493551930963583135
Scientfic509251930964092108160209236255275327
World5441519309677125149165220
Journal,568351930963991140164214269285307
communication680528909652104179254303352368419474501517570618
section,132152890963183134161177230279301
2015.164452890964489133177199
In186652890961866
Press.195552890964771123154185207
[Impact218452890962846121176230282309
Factor:251652890963893145172224248270
1.219]280952890964466110155199227
•680538509648
Al77353850965975
Nuaimi,870538509659108163179254270292
Klaithem,118453850964763118134161210262337359
et156553850965279
al.16665385096557193
“A1781538509641100
Self-Optimized190353850964092108133159229284311327402418452504559
Storage248453850964067119143198252304
for281053850962577101
Distributed293453850965975106133157173228276304356410
Data3367538509659114141195
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