TELKOM
NIKA Indonesia
n
Journal of
Electrical En
gineering
Vol.12, No.5, May 2014, pp
. 4002 ~ 40
0
9
DOI: http://dx.doi.org/10.11591/telkomni
ka.v12i5.4382
4002
Re
cei
v
ed O
c
t
ober 2
0
, 201
3; Revi
se
d Decem
b
e
r
23, 2013; Accept
ed Ja
nua
ry 1
2
, 2014
Application Research of Cloud-based Education
Network Platform
Hui Zhou*, Hong Zeng, Shigang Qín
Hun
an el
ectric
al coll
eg
e of techno
log
y
,
No.2, Xiash
e
si
Street, Yuetan
g District, Xia
n
g
tan, Hun
an, C
h
in
a, 411
101,
86 -07
31-
528
1
020
6
*Corres
p
o
ndi
n
g
author, e-ma
i
l
: 2745
28
006
@
qq.com
A
b
st
r
a
ct
Clou
d
Co
mp
uting
is
a n
e
w
app
licati
o
n
mo
del
fo
r d
e
ce
ntrali
z
e
d
c
o
mput
ing
w
h
ich c
a
n
provi
d
e
relia
bl
e, custo
m
i
z
e
d
a
nd
ma
ximu
m nu
mber
of users
w
i
th mi
ni
mu
m r
e
so
urce. T
he d
e
v
e
lo
p
m
ent of cl
oud
computi
ng
ma
rks a great l
e
ap tow
a
rds d
e
s
igni
ng
a un
if
i
ed, op
en a
nd
flexibl
e
e
ducat
ion
a
l i
n
for
m
ati
o
n
platfor
m
, sh
ari
ng
ed
ucatio
na
l
reso
urces,
an
d d
i
min
i
shi
n
g
gaps
in
the
us
e of
ed
ucati
o
n
a
l
infor
m
ati
on.
T
h
is
pap
er intro
duc
es the conc
ept
, characteristic
s of cl
oud co
mputin
g, and
dis
c
usses the fra
m
ew
ork of clo
ud-
computi
ng-b
a
s
ed e
ducati
on
platfor
m
, then
take
W
o
rld
Univers
i
ty City
for exa
m
pl
e,
and
discuss
the
signific
ant a
d
v
antag
es i
n
the
educ
atio
n info
rmati
on
pla
tfor
m
, w
h
ich is
br
oug
ht by the t
e
chn
o
lo
gy of c
l
ou
d
computi
ng.
Ke
y
w
ords
: clo
ud co
mp
utin
g, educ
atio
n infor
m
ati
on, w
o
rld u
n
iversity city
Copy
right
©
2014 In
stitu
t
e o
f
Ad
van
ced
En
g
i
n
eerin
g and
Scien
ce. All
rig
h
t
s reser
ve
d
.
1. Introduc
tion
Since the 19
90s, IT has
develop
ed ra
pidly and be
en widely ap
plied in edu
cation in
Chin
a, whi
c
h
affects an
d
cha
nge
s ed
u
c
ation
a
l and
learni
ng met
hod
s and m
ean
s. Ho
wev
e
r,
probl
em
s like
scattere
d re
sou
r
ces, hi
gh
co
st, the
dig
i
tal divide, an
d lack of q
u
a
lified edu
cati
on
resou
r
ces al
so exist.
“Te
n
-
year devel
o
p
ment
planni
ng of
Edu
c
at
ion Info
rmati
on
(20
11-202
0)”
issued
by th
e Mini
stry
of Edu
c
ation
i
n
ma
rc
h
201
2 p
r
op
oses that a
prelimi
nary
edu
cati
onal
information system with Chinese characteri
stics will
be built in ten years or so,
so that our
whole
education inf
o
rmation will
be close to t
he inter
national advanced level,
which
will promote t
h
e
sci
entific dev
elopme
n
t of edu
cation. Howeve
r,
there are
a hug
e numb
e
r of
China
'
s va
ri
ou
s
edu
cation
al institution
s
, scho
ols,
colle
ges
and
u
n
iversitie
s
, an
d
most sch
ool
s are
confront
ed
with p
r
oble
m
s of ma
ssive i
n
vestment
an
d manp
ower
i
nputs as well as re
sou
r
ce
shortag
e
s
in
th
e
informatio
n con
s
tru
c
tion
pro
c
e
ss. If a clou
d-b
a
s
ed e
d
u
c
ati
on network platform can be
establi
s
h
ed, the u
s
e of
co
mput
ing, sto
r
age, net
worki
ng an
d othe
r
servi
c
e
s
p
r
ovi
ded by the
cl
oud
computing
can rai
s
e the l
e
vel of resource shari
ng,
whi
c
h
will eff
e
ctively solve the probl
em
of
repetitive co
n
s
tru
c
tion of e
ducation info
rmation in
fra
s
tru
c
ture in our co
untry a
nd alleviate the
uneven
devel
opment
of ed
ucatio
n. It wil
l
co
ntribut
e
to na
rrowi
ng t
he di
gital divi
de a
nd
provi
d
e
powerful onli
ne appli
c
atio
ns se
rvices for scho
ol
s at
all levels, th
ereby greatly enhan
cing t
h
e
level of educational inform
ation.
Clou
d
comp
u
t
ing [1-4]
is the p
r
og
re
ss
of di
st
ributed
co
mputing,
parall
e
l com
p
uting
a
nd
grid com
puti
ng,
and
it also co
me
s
from
the
e
v
olution of
Utility Comp
uting, on
-de
m
and
comp
uting a
nd Intern
et Computing.
Cl
oud comp
uti
ng [5-7] di
stri
butes ta
sks t
o
re
sou
r
ce p
ool
formed by a l
a
rge n
u
mb
er
of compute
r
s to effect
ively
provide a la
rg
e-scal
e co
mp
uting re
sou
r
ces
to use
r
s in a
reliabl
e form
of servi
c
e
s
, allowing
users to access a
variety of co
mputing p
o
wer,
stora
ge spa
c
e, and softwa
r
e se
rvices a
c
cordi
ng to
their own nee
d
s
. Thus, the u
s
er
can b
e
freed
from the com
p
lex unde
rlying hardware
logic, netwo
rk proto
c
ol
s, a
nd software
architectu
re,
and
there i
s
n
o
ne
ed to b
u
ild, o
perate
an
d m
a
intain
exp
e
n
s
ive comp
utin
g syste
m
s l
o
cally. By paying
low fe
es, it i
s
possibl
e to
complete ta
sks
whi
c
h
nee
d
co
stly comp
uting o
r
pro
c
essing
in th
e
local
area.
Apart from thi
s
rema
rkable
feature of l
o
w
co
s
t, c
l
ou
d c
o
mp
u
t
in
g ar
e
a
l
s
o
ch
ar
ac
te
r
i
z
e
d
by the followi
ng main featu
r
es:
Service
provided by the
cl
oud
com
putin
g co
ul
d
simpl
i
fy the hard
w
are
co
nfigura
t
ion of
end-users.
Users can ta
ke
advanta
ge
o
f
a vari
ety of
terminal
eq
ui
pment (such as a
P
C
,
lapt
op,
Evaluation Warning : The document was created with Spire.PDF for Python.
TELKOM
NIKA
ISSN:
2302-4
046
Applicatio
n Rese
arch of Cl
oud-ba
sed E
ducation Network Platform
(Hui Zh
ou)
4003
sma
r
t phon
e
,
etc.) to acce
ss to
clou
d com
put
ing
servi
c
e
s
via the Intern
et anytime and
anywh
ere.
Cl
oud
com
putin
g devi
c
e h
a
s
very low re
qu
ireme
n
t on th
e eq
uipme
n
t
from the
cli
e
nt
and it is very conve
n
ient to
use.
Clou
d com
p
uting [8-10]
has the a
b
ili
ty
of on-de
mand
scalab
ility acco
rdin
g to the
hard
w
a
r
e
an
d software requireme
nts,
and th
e
co
mputing
re
so
urces can b
e
dynami
c
ally
and
effectively
all
o
cate
d.
The
clou
d comp
uting servi
c
e
can b
e
q
u
ickly
scale
d
to
aut
omatically
ad
apt
to the dynamic ch
ang
es of
the traffic loa
d
and m
eet t
he gro
w
in
g n
eed
s of appli
c
ation
s
an
d u
s
er
scale. It can
provide
users with
perso
na
lized se
rvice according
to
the different
need
s of u
s
e
r
s,
avoiding
the
decli
ne i
n
th
e qu
ality of
service
o
r
re
source
waste
cau
s
e
d
by
th
e ove
r
loadi
ng
or
redu
nda
ncy
of the
serve
r
. Mea
n
while
, clou
d
co
m
puting use
l
a
rge
-
scale d
a
ta
centers and
powerful servers
to
run netwo
rk appli
c
ation
s
an
d
netwo
rk
se
rvice
s
, so it ca
n provid
e hi
gh-
perfo
rman
ce
comp
uting se
rvice
s
and th
e near
r
eal
-time deploym
e
nt and us
e, and for u
s
ers
of
clou
d com
put
ing se
rvice
s
, clou
d re
sou
r
ces are almo
st
limitless.
In cloud com
puting, data is stored on the se
rver si
d
e
and cal
c
ul
ated by the serve
r
.
Users do n
o
t have to wo
rry
about data l
o
ss, hardw
are dama
ge ca
use
d
by personal ne
glige
n
c
e,
or data security issue
s
ca
use by co
mp
uter vi
ru
ses
and ha
cki
ng. Clou
d com
p
u
t
ing servi
c
e
s
are
locate
d on
different
serve
r
s, if one no
de
has
so
methin
g wron
g, anot
her
one
will b
e
autom
atical
ly
started to e
n
s
ure the no
rmal appli
c
ati
on and
cal
c
u
l
ation; while t
he ba
ckup is unne
ce
ssary
for
the clie
nt-si
d
e, for it can
b
e
re
st
ored at
any nod
e. In addition, all d
a
ta is
copi
ed
to multiple se
rver
node
s to m
a
ke multiple
ba
ckup
s, so
even the a
c
ci
de
ntal deletio
n
of data sto
r
e
d
in the
clou
d
or
its hardware
crash
cannot affect the data se
curity. If a node fails,
it
will be discarded
through
approp
riate p
o
licie
s a
nd it
s task will
be t
r
an
sferre
d
to
anothe
r n
ode
. After the tro
uble i
s
clea
re
d
node t
r
ou
ble
s
ho
oting in
real-time to
jo
in an
exis
ting
se
rver clu
s
t
e
r.
Cl
oud co
mputing se
rvice
s
coul
d sp
rea
d
the data secu
rity risk to the
vast “c
lo
ud
” netwo
rk
se
rver, so the info
rmation
se
cu
rity
is gre
a
tly improved.
Becau
s
e th
e
data are sto
r
ed in the
clo
ud rath
er th
a
n
on the
user's o
w
n e
quip
m
ent, so
that while en
suri
ng reliabl
e and
se
cure
stora
ge,
it can ca
rry o
u
t the integ
r
atio
n and
sha
r
in
g of
resou
r
ces u
n
der the a
u
tho
r
ity, easily achievi
ng data
and ap
plication sh
arin
g b
e
twee
n different
device
s
, su
ch
as the we
b a
l
bum we u
s
e.
It is preci
s
ely
beca
u
se clo
ud com
puting
has t
he ab
o
v
e features t
hat it enable
s
users to
contin
uou
sly
use
the
com
puter
re
sou
r
ce
s ju
st by
con
n
e
c
ting t
o
the Inte
rn
et, reali
z
ing
the
con
c
e
p
t of "Internet is the
compute
r
".
2. The Sig
n
ificanc
e
of Building the Educ
atio
n Ne
t
w
o
r
k
Platform
Ba
sed on
Clo
u
d
Com
p
u
t
ing
2.1. Greatly
Lo
w
e
r the Cost of Edu
c
a
t
ional Inform
ation Co
nstr
uction
For differe
nt types of sch
o
o
ls in Chi
na,
in order to cope with the
gro
w
ing d
e
m
and for
edu
cation
al i
n
formatio
n te
chn
o
logy a
n
d
maintain
the operation of existing
IT
i
n
frast
r
u
c
ture, a
lot
of manp
ower
and m
a
terial
resou
r
ces
are often requi
red. The i
n
vestment for the
routine
office
o
r
teachi
ng, research, exp
e
ri
ment
an
d ot
her
aspe
cts
all nee
d h
u
g
e
expen
se
s,
esp
e
ci
ally so
me
softwa
r
e whi
c
h shoul
d be
updated o
r
eliminated
sh
ortly afterwa
r
ds, and thi
s
mean
s a hu
ge
wa
ste of resource
s. The
clou
d comput
ing ap
plic
atio
n co
uld g
r
eat
ly redu
ce th
e
investment i
n
hard
w
a
r
e,
software
an
d
other infrastructu
re;
b
e
sides, th
ere
i
s
n
o
n
eed
for p
r
ofe
ssi
o
nal
manag
eme
n
t and mai
n
ten
ance. In addi
tion, it is con
ductive to a
c
hieve the rap
i
d gro
w
th a
n
d
diverse re
quirements of ed
ucatio
n
information due to
its scal
ability.
2.2. Significantly
Impro
v
e
the Suppor
t
Ser
v
ice of Educa
t
ional Informa
t
ion
In the past, a variety of tea
c
hin
g
re
sou
r
ces we
re di
stri
buted in vario
u
s types of di
stan
ce
learni
ng syst
ems, usi
ng
th
e
tra
d
itional Browse
r/Se
rv
er stru
ctu
r
e p
a
ttern whi
c
h
can
not
b
u
rd
e
n
a
lot of pe
ople
to a
c
cess to
the
same
system at the
sam
e
con
c
u
rre
nt. Clo
ud-based
edu
ca
tio
n
platform p
r
ovi
des
strong
su
pport
se
rvice,
so it i
s
ide
a
l
for the m
a
ssi
v
e edu
cation
al market.
Wi
th
the develop
ment of ne
w gene
ration
of mobile
co
mmuni
cation
s an
d broad
band te
chn
o
l
ogie
s
,
mobile le
arni
ng an
d virtual
labs
pho
ne
s
spri
ng u
p
, an
d users have
stron
g
de
man
d
for video
s,
so
the larg
e dat
a cente
r
s are req
u
ire
d
to st
ore large
amount
s of data and p
r
ovide u
n
limi
t
ed
comp
uting po
wer, which ca
n be achieve
d
by t
he related tech
nolo
g
i
e
s of clo
ud computing.
Evaluation Warning : The document was created with Spire.PDF for Python.
ISSN: 23
02-4
046
TELKOM
NI
KA
Vol. 12, No. 5, May 2014: 4002 – 40
09
4004
2.3. Greatl
y
Facilitate the Sharing of
Educational Information
Resources
Whe
n
the informatio
n net
work platfo
rm
which
is ge
o
g
rap
h
ically dispe
r
sed an
d locali
ze
d
is tra
n
sfo
r
m
ed into a
p
o
we
rful unifi
ed info
rmati
on platfo
rm
unrel
ated to
the spe
c
ific IT
infrast
r
u
c
ture,
it will b
r
ea
k the ba
rri
ers of
teaching
co
ndition
s a
nd envi
r
onm
ent to suppl
y a
teachi
ng envi
r
onm
ent wh
e
r
e tea
c
hing
reso
urce
s can
be sha
r
e
d
for all types o
f
scho
o
ls, th
us
ordin
a
ry sch
o
o
ls will
have the first
-
cla
s
s
environ
ment
whi
c
h allo
ws more tea
c
h
e
rs and
stud
ent
s
to utilize the virtual teaching resources on
the Internet
to improve the teachi
ng level.
2.4. Effec
t
iv
e
l
y
Impro
v
e the Securi
ty
of Educational Information
On the
on
e h
and, the
characteri
stics of the
cl
oud
co
mputing,
fo
r example,
the
servi
c
e
i
s
transpa
rent f
o
r the u
s
e
r
s,
the sche
dulin
g and m
ana
g
e
ment a
r
e ce
ntralized o
n
the clo
ud, cou
l
d
provide safe
and reliabl
e
com
puting service
s
a
nd
data sto
r
a
g
e
se
rvice
s
for the faculty
and
stude
nts. On
the other
ha
nd,
com
pute
r
virus p
r
even
tion and
cont
rol of the
ca
mpus
network,
esp
e
ci
ally in the multimedi
a cla
s
sro
o
m
and comp
ute
r
lab, ha
s be
en a very tou
gh problem,
and
the antiviru
s
softwa
r
e licensi
ng fee
s
are
co
st
ly for ea
ch sch
o
o
l. Nowaday
s, by the cl
oud
comp
uting
te
chn
o
logy, th
e comp
uter
virus prevent
ion in
the
campu
s
ca
n
be a
c
hi
eved
by
purcha
s
in
g service
s
(i
e clo
ud antiviru
s
service
)
rath
er than softwa
r
e licen
se
s.
3. The Gen
e
ral Frame
w
o
r
k of Ed
ucation
Netw
o
r
k Platfo
rm Based
on the Clo
ud
Com
p
u
t
ing
By the in-de
p
t
h analysi
s
of
the existing
clou
d comput
ing sy
stem, it can
be vie
w
ed a
s
the
colle
ction of a set of servi
c
e
s
. Combi
n
ed with
the current appli
c
a
t
ions and researche
s
of cl
oud
comp
uting, the gen
eral frame
w
o
r
k
of the edu
cati
on network
platform ba
sed on the
“cloud
comp
uting
”
can be divide
d
into three lay
e
rs,
core
serv
ice laye
r, se
rvice man
age
ment layer, u
s
er
acce
ss inte
rface laye
r, as
sho
w
n in Fig
u
re 1.
Figure 1. The
Frame
w
o
r
k o
f
the Educatio
n Netw
ork Platform Based
on the “Clo
u
d
Comp
uting
”
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TELKOM
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ISSN:
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Applicatio
n Rese
arch of Cl
oud-ba
sed E
ducation Network Platform
(Hui Zh
ou)
4005
3.1. Core Ser
v
ice La
y
e
r
The co
re
services laye
r is to abstra
c
t t
he hardware infrast
r
u
c
ture,
softwa
r
e op
eratin
g
environ
ment,
appli
c
ation
s
into
servi
c
e
s
whi
c
h
hav
e
high
relia
bility, high avail
ability, scala
b
ility
and so on.
So they coul
d meet diverse ap
plicat
io
n requi
rem
e
n
t
s. This layer is usually di
vided
into three
su
b
-
layers: IaaS l
a
yer (i
nfra
structure a
s
a
service
)
, PaaS
layer (platform as
a service),
SaaS layer (software a
s
a
servi
c
e
)
. A co
mpari
s
o
n
for the se
rvice
s
’ chara
c
te
risti
c
s of three layers
is ca
rri
ed out
in Table 1.
Table 1. A Co
mpari
s
o
n
of IaaS, PaaS, SaaS
Core Se
rv
i
c
e
lay
e
r
service content
service objec
t
usage mode
key technolog
y
IaaS
provide
infrastructure
deplo
y
ment
ser
v
ices
users in need of
h
a
r
dw
ar
e
r
e
so
urce
s
users upload the
data,
program
code an
d
environment
configuration
Data center ma
n
agement
technolog
y
,
virtu
a
lization
technolog
y
, etc
PaaS
Provide services
of
application
deplo
y
ment a
nd
management
program
develop
ers
users upload the
data,
program
code
Massive data processing
technolog
y
,
r
e
source
management a
n
d
scheduling
techniques, etc
SaaS
Provide internet-
based application
ser
v
ices
Enterprises and
users in need of
softw
a
r
e
applications
users upload the
data
Web services technolog
y
,
Internet ap
plication
development technolog
y
,
etc
(1) IaaS l
a
yer is th
e
basi
s
to
provide
high-level s
e
rvic
es
. In this
layer, the
geog
rap
h
icall
y
-distri
buted
physi
cal ma
chine
s
con
s
titute larg
e-sca
l
e data
cent
ers thro
ugh t
he
grid
s and
se
rvice
en
cap
s
ulation of
cl
u
s
ter
tec
hnol
o
g
y, aiming
to
provide m
a
ssive
ha
rd
wa
re
resou
r
ces for the uppe
r-la
y
er clou
d co
mputing serv
i
c
e
s
, su
ch a
s
stora
ge
capa
city or pro
c
e
s
si
n
g
power. M
ean
while, in
sup
port of vi
rtua
lization
te
chn
o
logy, IaaS l
a
yer i
s
cap
a
b
le of
providi
ng
logically inde
pend
ent virtual machi
ne. This me
ch
ani
sm gives
clo
ud com
puting
archite
c
tu
re
the
cap
a
city of dynamic allo
ca
tion and co
m
puting re
so
urce
s mana
ge
ment, which coul
d achieve the
deman
d p
r
ov
isioni
ng of
h
a
rd
wa
re
re
so
urces an
d p
r
ovide p
e
rson
alize
d
infrast
r
uctu
re
servi
c
e.
Based
on
th
e ab
ove two
point
s, IaaS
layer mainly
studi
es the
techn
o
logie
s
related
to
da
ta
cente
r
s and virtualizatio
n techn
o
logy,
etc.
Wh
en
u
s
ing IaaS la
yer se
rvice
s
,
use
r
s n
eed
to
provide
confi
guratio
n
info
rmation of
infrastru
c
tu
re, p
r
ogra
m
cod
e
runni
ng i
n
th
e infrastructu
re
and rel
a
ted u
s
ers’ data.
(2) PaaS l
a
y
e
r, as th
e int
e
rme
d
iate lay
e
r
of three
co
re servi
c
e
s
, could n
o
t only provide
simple
and
reliable di
strib
u
ted program
ming fram
ew
ork fo
r the u
p
per-layer
app
lication b
u
t al
so
requi
re
s sch
e
duling jo
bs
b
a
se
d on the
unde
rlying re
sou
r
ce, man
aging d
a
ta, a
nd shieldin
g the
compl
e
xity of the underly
ing system.
What it
prov
ides i
s
the runnin
g
environment of the
appli
c
ation p
r
og
ram of
th
e
clo
ud com
puting,
that
i
s
, the
software
platform
itself, whi
c
h
is
prima
r
ily de
si
gned fo
r the
appli
c
ation
d
e
velope
rs. T
h
erefo
r
e, the
r
e
is n
o
ne
ed f
o
r d
e
velope
rs to
worry abo
ut the re
sou
r
ce
s, for the platform layer p
r
ov
ides all the n
e
ce
ssary plat
form re
sou
r
ces
for the op
era
t
ion and m
a
i
n
tenan
ce of t
he appli
c
atio
n pro
g
ra
ms.
PaaS layer i
s
mainly to st
udy
the ma
ssive
data p
r
o
c
e
s
sing te
chn
o
lo
gy, re
sou
r
ce
man
agem
en
t and
sche
du
ling te
chni
qu
es,
etc. Via the software tool
s
and pr
ogram
ming lang
uag
es of PaaS la
yer, whe
n
u
t
ilizing se
rvices,
the ap
plicatio
n devel
ope
rs only n
eed
to upl
oad
the
program
co
de a
nd
data
rathe
r
tha
n
p
a
y
much
attentio
n to the m
a
n
ageme
n
t pro
b
lems
of the
unde
rlying n
e
t
work, sto
r
ag
e, and
ope
rat
i
ng
sy
st
em.
(3)
Fa
cing
th
e en
d-users
of clo
u
d
com
puti
ng, Sa
aS layer p
r
ovid
es th
e Inte
rn
et-ba
s
ed
softwa
r
e a
p
p
lication
se
rvice
s
. SaaS la
yer main
ly st
udie
s
the Web services t
e
ch
nolo
g
y, the
Internet ap
pli
c
ation
develo
p
ment techn
o
logy, et
c. By hiring Saa
S
layer servi
c
e
s
, enterpri
s
e
s
coul
d solve
the Informati
z
ation p
r
obl
e
m
. For t
he averag
e users, SaaS
layer tran
sfe
r
s
the
desktop a
ppl
ication p
r
og
rams to the Internet,
which is ca
pabl
e
of achieving
the ubiquito
us
acce
ss of the
application p
r
og
ram
s
.
3.2. Ser
v
ice
Manag
e
ment La
y
e
r
The
se
rvice
manag
eme
n
t layer, o
n
th
e on
e h
and,
coul
d p
r
ovide
su
ppo
rt for the
core
servi
c
e
s
to further e
n
sure their reliability
,
ava
ilability and se
cu
rity. On the othe
r hand, it sup
p
l
i
es
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ISSN: 23
02-4
046
TELKOM
NI
KA
Vol. 12, No. 5, May 2014: 4002 – 40
09
4006
the related
manag
eme
n
t measure
s
required by th
e clou
d co
m
puting platform, as well a
s
the
lease and
manag
eme
n
t of servi
c
e
s
for u
s
e
r
s,
includi
ng
use
r
auth
ent
ication, requ
est
manag
eme
n
t, user
req
u
e
s
ts for dist
ribut
ion, b
illing m
anag
ement functio
n
s, an
d
so on. Servi
c
e
manag
eme
n
t tech
niqu
es i
n
clu
de
QoS
assuran
c
e
m
e
ch
ani
sm,
se
curity
and
p
r
i
v
acy p
r
ote
c
tion
techn
o
logie
s
,
re
so
urce
m
onitorin
g
te
chnolo
g
y,
se
rvice
billi
ng model, etc. QoS
a
s
sura
nce
mech
ani
sm, and security and p
r
ivacy
prote
c
tion te
chnolo
g
y are
use
d
to ensu
r
e the reli
abil
i
ty,
availability, secu
rity of cloud com
puting
.
3.3. User Ac
cess Interfac
e La
y
e
r
The
user
access inte
rfa
c
e
layer i
s
used
to achieve th
e a
c
cess f
r
o
m
the
clie
nt termin
al t
o
the clou
d, usually inclu
d
in
g the com
m
a
nd line,
We
b
servi
c
e
s
, We
b portal
s
an
d
other form
s. The
acce
ss mod
e
of
comm
a
nd line
an
d
Web
servic
e
s
coul
d p
r
ov
ide a
pplication d
e
velopm
ent
interface for
the termin
al equipm
ent a
s
well as
co
nvenien
ce fo
r the combin
ation of multi
p
le
servi
c
e
s
. We
b po
rtal i
s
anothe
r mo
d
e
of a
c
cess interfa
c
e. T
h
rou
gh
a
Web po
rtal,
cl
oud
comp
uting transfe
rs the
use
r
'
s
de
skt
op appli
c
atio
ns to the Internet, whi
c
h
allows use
r
s to
acce
ss
data
and p
r
o
g
ram
s
throug
h th
e browse
r
wheneve
r
an
d
whe
r
eve
r
, th
us im
provin
g
the
work
effic
i
ency.
4. Applica
t
io
n of th
e Ed
ucation
a
l Ne
t
w
o
r
k Platfo
rm Ba
sed
o
n
th
e
Cloud
Compu
t
ing
-
---
"World Universit
y
Cit
y
"
"Worl
d
Unive
r
sity City" is an edu
catio
n
a
l net
wo
rk pl
atform ba
sed
on clou
d technolo
g
y.
As a
brea
kthrough
in th
e e
ducational
inf
o
rmatio
n te
ch
nologi
es re
ce
ntly, it has
be
en a
dopte
d
i
n
nearly 2 milli
on teache
rs
and stu
dent
s unde
r their
real name
s
of
Huna
n, Xinjiang, Shan
do
ng,
Guan
gdo
ng,
Zhejian
g
, Bei
jing, an
d G
u
a
ngxi. Th
e
ma
ximum nu
mb
er
of con
c
u
r
rent conn
ectio
n
s
has b
een ove
r
50 million, which attra
c
t
s
national atten
t
ion.
Con
s
i
s
ting of
the clou
d sub-pl
atform
a
nd cl
ou
d spa
c
e, “World
University City” coul
d
build a
sub-p
l
atform for th
e institution
and a
sp
a
c
e
for in
dividua
ls. On th
e "
W
o
r
ld
University
City", users h
a
ve equal
sta
t
us and
coul
d
intera
ct
and
sha
r
e resources with e
a
ch other. Besi
de
s,
it is g
r
ee
n
sa
fe with the
p
o
we
rful m
ana
gement,
inte
raction
and
in
novative feat
ure
s
, spe
c
ifically
s
h
ow
n
as
fo
llo
w
s
:
4.1. Publish
a Variety
of Teaching
Re
source
s Ins
t
antly
and th
e Sub-pla
t
fo
rm and Spa
c
e
on the "Worl
d
Univ
ersit
y
Cit
y
" has Unlimited Capa
cit
y
As a
re
sult of
the Ma
ssive
Data
storage
and
p
r
o
c
e
ssi
ng an
d video
stre
ams di
stribution,
a su
b-pl
atform on the "
W
orld
Unive
r
sit
y
City" can
h
a
ve variou
s f
unctio
n
s
of the tradition
al sites
(ma
k
ing
com
m
ents, pu
blishing, colle
ction, sh
ar
in
g, recomme
ndat
ions,
sub
s
cri
p
tions, a
dditi
on,
deletion,
blog
, microblo
g
,
Witkey
), an
d
insta
n
tl
y pu
blish
a
variet
y of tea
c
hin
g
re
so
urce
s
with
massive d
a
ta
, such a
s
vid
eo an
d multi
m
edia file
s. T
herefo
r
e, the
live
video an
d broad
ca
st could
be a
c
hieved
whi
c
h a
r
e
co
mparable to
t
he professio
n
a
l television
station with po
werful te
ch
ni
cal
ability. For ex
ample, in
Changsha
Social Work
Coll
ege, the Sch
ool
Work
Depart
m
ent, Office
of
Acade
mic Affairs, T
r
aini
ng
Depa
rtment
and othe
r te
n facultie
s h
a
ve establi
s
h
ed a b
r
oad
cast
sub
-
platfo
rm, so the live b
r
oad
ca
st is
a
v
ailable at an
y sub-platform. In additio
n
, the traditio
nal
web
s
ite’
s sp
ace
is
re
stri
cted for
gre
a
ter
cap
a
ci
ty
mean
s hi
ghe
r cost.
While
in the
sp
ace
and
sub
-
platfo
rm of
Wo
rld Uni
v
ersity
City, the
c
apa
city
is
u
n
limited, and each su
b-platfo
rm
a
n
d
spa
c
e i
s
equ
al and enj
oys the same
services a
nd be
nefits.
4.2. Super Po
w
e
rful Custom and Pe
rsonaliz
ed Manageme
nt Capabilities
The
sub
-
platf
o
rm a
nd
sp
a
c
e o
n
the
"World
Unive
r
sit
y
City" have
stron
g
ma
na
gement
capabilities, f
r
ee setting and m
anagem
ent coul
d be c
onducted for the left-
hand sections
by
“addi
ng and
managi
ng categori
e
s”, thus the person
a
lize
d
se
ctio
n settings
ca
n be fully realize
d
and cl
assifica
tion se
ction
s
coul
d be
cre
a
t
ed for ea
ch
sub
-
sectio
n. In addition, it is also capa
bl
e
of editing arti
cle
s
and sorti
ng articl
es a
n
d
videos
with
out cha
nging
the address o
f
each file wh
en
publi
s
hed.
Reso
urce
s’ so
rting doe
s n
o
t
affect
th
e
ori
g
inal
hy
perlin
k of e
a
ch
do
cu
me
nt.
No
wad
a
ys, many sites h
a
ve their own spa
c
e a
s
well as
som
e
personali
z
e
d
managem
en
t, but
there i
s
no
on
e to b
e
comp
arabl
e
with th
e World
Un
iversity
City. Th
e custom
con
t
ent of this su
b-
platform spa
c
e is as
sho
w
n
in Table 2.
Evaluation Warning : The document was created with Spire.PDF for Python.
TELKOM
NIKA
ISSN:
2302-4
046
Applicatio
n Rese
arch of Cl
oud-ba
sed E
ducation Network Platform
(Hui Zh
ou)
4007
Table 2. The
Cu
stom Co
ntent of t
he Clo
ud Sub-platfo
rm and
Clou
d
Space
Number
Custom categor
y
Custom content
1
St
y
l
e
Massive optional templates; perso
nalized building
w
i
th code
2
Function
Free selection of
hundreds functio
n
s; personalized function and free
creation
3
Presentation La
yer
Multiform presen
tation and selection on pur
pose; self-compiled code and self-
created displa
y
mode
4
Column arr
ange
ment
right
free addition and
deletion, self-dra
fted column
5
Administration authorit
y
access right, co
mment right, sha
r
ing right, and p
u
s
h right can be set
independentl
y
6
Privacy
right
privacy
and inter
e
sts can be
personalized; intellect
ual self-manage
ment
The con
s
tru
c
t
i
on of su
b-pl
a
tform and
sp
ace i
s
fully customi
z
abl
e, so ea
ch
su
b-platform
and spa
c
e on
the "World
University City" has hi
g
h
person
a
lization and is b
r
illian
t. For example:
Zhang
Jun
r
o
ng, a librari
an in Shan
dong Inst
itut
e of Comm
erce and T
e
ch
nolo
g
y,
has
person
a
lized
her
own
space into a va
st
digital
library,
whe
r
e th
e o
n
line b
o
o
ks
can be
re
ad a
nd
borro
wed.
4.3. The Con
v
enient and Efficien
t Op
erati
on o
f
th
e Cloud Sub
-
platform an
d Cloud Spa
c
e
On the "
W
o
r
ld Unive
r
sity City", to bui
ld
the cloud
sub
-
platfo
rm and clou
d
space
is
simple
an
d convenie
n
t, so
non
-professi
onal
s can
also build
their o
w
n
spa
c
e
very well a
s
l
ong
a
s
they can type
letters. The
cloud sub-platform is o
pen
e
d
in more tha
n
500 in
stitutions in
clu
ded
in
Hun
an Provin
cial Edu
c
atio
n Depa
rtment
in half
an hour after two h
a
lf-hou
r traini
ng. The sp
ace
for 30,00
0 teach
e
rs and
st
udent
s as
wel
l
as the su
b-p
l
atform in vari
ous fa
cultie
s coul
d be set up
in 1 hour.
To build
the
clou
d sub-pla
tform and
clo
ud spa
c
e, on
ly a few ste
p
s
a
r
e requi
re
d. First,
the spa
c
e
co
nstru
c
tion
an
d man
age
me
nt sta
r
t fr
om
the “M
ana
ge
ment Spa
c
e
”
at the to
p, a
nd
then you can
build your o
w
n person
a
lize
d
colum
n
s in
“Sectio
n
Man
ageme
n
t”, an
d freely cho
o
s
e
to add
or del
ete it. If you
want to
conti
nue
addi
n
g
, j
u
st fill in
the
name
of the
co
rrespon
ding
colum
n
, sele
ct the column t
y
pe, video or
article,
an
d cl
ick a
ddin
g
to form your o
w
n person
a
lize
d
colum
n
. Diffe
rent a
c
cess rights
can b
e
set for
e
a
ch colum
n
. The
r
e are m
a
ss t
e
mplate
s in t
h
e
“dress spa
c
e
”
, which
ca
n b
e
sele
cted fre
e
ly ac
cording
to your own person
a
lity, and the mod
u
l
e
can be a
dde
d
or deleted. After setting, you can p
ubli
s
h article
s
and
videos in the
corre
s
pon
din
g
se
ct
ion.
The o
p
e
r
atio
n is so ea
sy
that even
sch
oolch
ild
s coul
d buil
d
a
col
o
rful p
e
rso
n
a
l
sp
ace.
For exampl
e, Liu Yi Ying, a fourth-g
ra
de st
ud
ent in the Shand
ong Lin
s
h
u
Traini
ng Sch
ool,
applie
d the
spa
c
e to
lea
r
ning
and
sh
e ha
s
set u
p
he
r o
w
n l
earni
ng b
o
o
k
shelve
s, lea
r
ning
navigation, a
nd publi
s
h
ed
455 a
r
ticle
s
. Such a
won
d
e
rful spa
c
e b
u
ilt by a 10-y
ear-old
child f
u
lly
embodi
es the
convenie
n
ce
of the space
function.
Nu
mero
us exam
ples can be g
i
ven, and in the
exhibition of
excelle
nt clo
ud
sp
ace in
Linshu, the spaces
of m
o
re than 10
st
udent
s ha
s b
een
displ
a
yed.
4.4.
Cloud
Sub-platfor
m
and Clou
d Space ar
e Intercon
n
ecting and I
n
ter
w
o
r
king,
and
Resources can be Intelligently
Brought
Together
and Mu
tually Pushed
Figure 2. The
Logical Asso
ciation b
e
twe
en Clo
ud Sub
-
platform a
n
d
Cloud Spa
c
e
Evaluation Warning : The document was created with Spire.PDF for Python.
ISSN: 23
02-4
046
TELKOM
NI
KA
Vol. 12, No. 5, May 2014: 4002 – 40
09
4008
"Worl
d
Unive
r
sity City" is
just like
cou
n
tless inte
rtwined n
e
two
r
ks, formin
g n
u
merou
s
node
s. Each
node is a
su
b-platfo
rm for various in
stitutions o
r
a space
betwe
e
n
every teacher
and
stud
ent.
The lin
es bet
wee
n
poi
nts
make
up
cou
n
tless inte
rco
nne
cted
network hig
h
ways.
Clou
d
sub
-
p
l
atform a
n
d
clo
ud
sp
ace share in
f
r
astru
c
tu
re l
o
gical
archite
c
ture
a
nd
a
r
e
interconn
ecti
ng a
nd i
n
terworkin
g
, whi
c
h fo
rm
s a
n
e
twork
as a
whol
e. Each
sub
-
platfo
rm
and
spa
c
e i
s
the
cente
r
, na
m
e
ly multi-cen
t
er, whi
c
h i
s
also
ce
nterl
e
ss. The l
o
g
i
cal a
s
so
ciati
on
betwe
en cl
ou
d sub
-
platfo
rm and clo
ud
spa
c
e i
s
sh
o
w
n in Figu
re
2.
Every su
b-pl
atform a
n
d
space of
Worl
d Univer
sity
City is a
stro
ng inte
rcon
n
e
cting
an
d
interworkin
g
person
a
lized
web
s
ite,
whi
c
h can a
c
hi
eve full intercon
nectin
g
and i
n
terworkin
g
, that
is to say, sub
-
platform
and
sub
-
platform
, spa
c
e an
d space, sub
-
pl
a
tform and
sp
ace,
spa
c
e a
nd
sub
-
platfo
rm
ca
n b
e
e
a
s
ily a
c
cesse
d
. For exam
ple,
on
the "Worl
d
Unive
r
sity
City" cl
oud
platform, cli
c
k on any of the little home icon
s,
it will go dire
ctly to
the approp
riate clo
ud sub-
platform and
clou
d spa
c
e. If
you
cli
c
k
on
the
"Huna
n Electri
c
Vo
cat
i
onal and Te
chnical Colleg
e
",
it will take you to the scho
o
l's cl
oud
sub
-
platform
, an
d then click a
teache
r or a stude
nt from the
sub
-
platfo
rm, you have
ea
sy a
c
cess to
their
clou
d sp
ace. Wh
ether
in
sch
ool clo
ud sub
-
platfo
rm
or in teach
e
rs and stu
den
ts’ cloud
spa
c
e, you can
return to your own clo
ud space by clicking
just on
e key.
This fully ref
l
ects th
e full inte
rconn
ectio
n
and inte
rworki
ng b
e
twe
en sub-platfo
rm,
sub
-
platfo
rm and spa
c
e, a
s
well a
s
spa
c
e an
d sp
ace
.
Re
sou
r
ces
b
e
twee
n sub-platform a
n
d
spa
c
e
of "Wo
r
ld Unive
r
sity City" can be
automatically conve
r
ge
d
and mutu
ally pushed. Ea
ch p
e
rson
can in
stantly find the p
ubli
s
he
r
based
on
any
arti
cles,
vide
os, pi
ctu
r
e
s
,
messag
es,
private me
ssa
g
e
s, a
nd
dyna
mic m
e
ssa
g
e
s
,
enter th
eir
sp
ace, a
nd
und
ersta
nd th
e p
ublisher's
si
tu
ation. You
ca
n add
to favo
rite an
d cl
assify
any arti
cle
s
,
videos
and
pi
cture
s
, a
nd
g
o
to "M
y Le
arning Sp
ace" to furthe
r
cla
s
sify and
man
age
your favorite
conte
n
t, thus
makin
g
it ea
sy to
build an
d
conve
r
ge
on
a perso
nali
z
e
d
mobile
digit
a
l
library with a lot of res
o
urc
e
s
.
Mean
while,
person
a
l spa
c
e g
ene
rate
d in t
he in
stitutional su
b
-
platform
po
ssesse
s
institutional a
ttributes, favorable to the implem
e
n
tatio
n
of effective managem
en
t for institutions
on the g
ene
rated spa
c
e.
Here, the p
e
r
so
nal
spa
c
e
belon
gs to
institution
s
, so all tra
c
e
s
of
person
a
l
spa
c
e o
p
e
r
ation
s
and i
n
form
ation resour
ce
s will b
e
gath
e
red
or
display
ed on
the
su
b-
platform of the institution. Inst
itution
s
ca
n easily pu
blish me
ssage
s
or notificatio
ns to all persona
l
s
p
ac
es
o
f
th
eir
s
.
4.5. Sav
e
a Lot o
f
Hard
w
a
r
e
and S
o
ft
w
a
re
Inv
e
stmen
t
an
d
Opera
t
ion a
nd Maintena
nce
C
o
st
s
"Worl
d
Univ
e
r
sity
City
"
pla
tform compl
e
tely implem
en
ts a
co
mpreh
ensive
cl
oud
servi
c
e
mode:
softwa
r
e a
s
a servi
c
e, cu
stomi
z
e
d
sub-platfo
rm as a
se
rvice, ba
sic l
ogi
cal archite
c
ture a
s
a service, customi
z
ed
cl
oud
storage
of ma
ssive
data as a
se
rvice, glo
bal collab
o
ra
tive
comm
uni
cati
on managem
ent as a service, intellig
ent gathering
of reso
urces as a
service;
hard
w
a
r
e
as a servi
c
e.
There i
s
no
need
of
consi
derable
investment f
r
om ed
ucatio
nal
institution
s
to
buy serve
r
clu
s
ter devices and
serv
er
clu
s
ter ba
ndwi
d
th, inve
st the
netwo
rk
developm
ent
and
mainte
nan
ce a
s
we
ll as
software an
d ha
rd
ware
upg
rad
e
, savin
g
a l
o
t of
expen
se
s. At this point, the su
cce
ssfu
l
experie
nce of Huna
n Province h
a
s
a
ttracted n
a
tio
nal
attention, whi
c
h is
worth le
arnin
g
from.
Hun
an i
s
a
province
of
eno
rmou
s vo
cati
onal
edu
catio
n
, but
not a
strong
o
ne. In
the fa
ce
of wea
k
b
a
si
c con
d
ition
s
of
vocation
al school
s, inabilit
y to sha
r
e qu
ality teachin
g
re
sou
r
ces
an
d
the slo
w
p
r
o
c
ess of inform
ation co
nst
r
u
c
tion,
Hunan
use
s
a n
e
w
mode of “buil
d
ing a pl
atform
with the
corp
orate inve
st
ment and th
e purch
ase o
f
servi
c
e
s
by
school
s a
ccordin
g to spe
c
ific
requi
rem
ents”. Relying
on
the "Wo
r
ld
University
City", it does
not i
n
vo
lve hardware i
nputs,
a
nd
each scho
ol
or edu
cat
i
onal in
stitution purch
as
es in
stitutional su
b-pl
atform se
rvices
corre
s
p
ondin
g
to thei
r
scal
e by a
sta
nda
rd
of 10
0 Yua
n
pe
r
su
b-pl
a
tform. 10
-16
Yuan p
e
r spa
c
e
is p
a
id a
nnu
ally for the
real
-nam
e p
e
rsonal
lea
r
n
i
ng
spa
c
e
o
r
p
r
ofe
ssi
ona
l ch
ara
c
te
rist
ic
spa
c
e.Th
e In
ternet b
and
width is
cove
red by
schoo
ls them
selve
s
. Such i
s
a
good
way to
signifi
cantly save funding i
n
edu
cation i
n
formatio
n.
It is estim
a
ted
that the sch
ool's fu
ndin
g
is
only one
-tent
h of the trad
itional co
nst
r
uction
m
ode,
achievin
g a
use
r-fri
endly
and afforda
b
le
effec
t.
Evaluation Warning : The document was created with Spire.PDF for Python.
TELKOM
NIKA
ISSN:
2302-4
046
Applicatio
n Rese
arch of Cl
oud-ba
sed E
ducation Network Platform
(Hui Zh
ou)
4009
4.6. Space
w
i
th the Real-name Sy
stem is Safer and Heal
thier
"Worl
d
Unive
r
sity City" u
s
es
spe
c
ific e
n
cryptio
n
alg
o
rithm a
nd
random
algo
ri
thm to
gene
rate e
2
ID and
use
a uniqu
e ed
ucatio
n ID co
rrespon
ding
to the re
sid
ent identifica
t
ion
numbe
r to lo
ck the
publi
s
her'
s
ide
n
tity. Real na
me
cybersp
ace facilitate
s
the manag
eme
n
t of
national
ed
u
c
ation
ad
min
i
strative
se
ct
ors,
prov
inci
al, city, cou
n
ty and
sch
ool o
n
e
s
. It ca
n
effectively deal with the
infestation
of spam
an
d the difficul
t
problem of
soci
al network
manag
eme
n
t.
Mean
while, the "Wo
r
ld Un
iversity City"
adopt
s a sma
r
t, one-way, anti-mo
dificat
i
on data
backu
p
safet
y
system to
store
data
in
the mo
st
se
cure
a
nd reli
able clou
d computing
ce
nter,
whi
c
h a
r
e
profession
ally treated
an
d p
r
otecte
d by t
he
servi
c
e
provi
der, avoi
di
ng the
co
mm
on
probl
em
s of
data lo
ss an
d data
co
rrup
tion or viru
s
i
n
fection
whe
n
they a
r
e
st
ored
on
the l
o
cal
comp
uters.
5. Conclusio
n
The practi
cal
application
has p
r
oved t
hat cl
ou
d-b
a
s
ed e
d
u
c
atio
n netwo
rk pl
atform is
able to provid
e a use
r
-ce
n
tric, fast, se
cu
re dat
a
stora
ge and n
e
two
r
k
servi
c
e
s
to
people, ma
ki
ng
it possi
ble for them to ca
rry
out massive
data co
mputi
ng and
storag
e free fr
o
m
the con
s
traints
of
time, place a
nd hig
h
-e
nd
equipm
ent. T
he cl
oud
-ba
s
ed mo
del for platform
buil
d
ing
can
gre
a
tly
redu
ce
the
cost of
edu
cat
i
on info
rmatio
n, and
is
abl
e to u
s
e
its
n
a
tural
scala
b
i
lity to meet t
he
rapid
growth
of edu
catio
n
inform
ation
and requi
re
ments fo
r di
versified
se
rvices,
whi
c
h
will
provide
ne
w
idea
s and
so
lutions fo
r inf
o
rmatio
n te
chnolo
g
y, serv
e as a
stron
g
impetu
s
to
the
developm
ent of the whole
edu
cation inf
o
rmatio
n.
Ackn
o
w
l
e
dg
ements
This
re
sea
r
ch
wa
s su
ppo
rt
ed by Hu
nan
Province Edu
c
ation a
nd S
c
ien
c
e" T
w
elf
t
h Five
-
Year Plan" Annual Proje
c
t in 2011 (P
roj
e
ct No.X
JK01
1BZJ0
26).
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ces
[1]
Irena B
o
ja
nov
a, Les
Pa
ng.
Integrati
o
n
of
Vi
rtua
l Env
i
r
onme
n
t, W
e
b
2.0
an
d C
l
o
ud
Comp
utin
g
T
e
chnolog
ies f
o
r Immersive L
earn
i
ng T
ours.
Internation
a
l J
ourn
a
l of Arts and Sci
enc
es
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466.
[2]
Paul P
o
cati
lu,
F
e
licia
n Al
ecu,
Marius V
e
trici
.
Measuri
ng th
e Efficienc
y
of
Clo
ud
Comp
u
t
ing for E
-
lear
nin
g
S
y
ste
m
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WSEAS
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ansactions on Com
p
uters
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10; 9(2): 42-5
1
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[3]
LUO Jun-z
hou
, JIN Jia-hui,
SONG Ai-bo, DONG
F
ang. Clou
d
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puti
ng: arch
itectur
e
an
d ke
y
techno
lo
gies.
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ourn
a
l on C
o
mmu
n
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[4]
Mohamm
ed A
l
-Z
oube. E-
Le
a
r
nin
g
o
n
th
e
C
l
ou
d.
Intern
atio
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urn
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l
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e
c
hno
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09;
1(2): 58-6
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.
[5]
Micha
e
l Armbr
u
st, Armando
F
o
x, et al. Ab
ove t
he C
l
ou
d
s
: A Berkele
y
Vie
w
of Cl
ou
d
Computi
ng.
http://
w
w
w
.
e
e
c
s
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e
y
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ed
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echRpts/2009/EECS-
200
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9.
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Cha
ng V,
Wills
G, De
Rour
e
D, et a
l
.
A r
e
vi
ew
of Cl
ou
d b
u
sin
e
ss
mo
de
l
s
an
d sust
ain
a
b
ility
. IEEE
3
rd
Internatio
na
l C
onfere
n
ce o
n
Clou
d
Com
puti
ng (CLOU
D
). 2010: 43-
50.
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Weinh
a
rt C, Bl
au B, B
o
rissov
N, etal.
Clo
ud
com
puti
ng
a c
l
assificati
on, b
u
s
iness
mod
e
ls
and
rese
arch
directi
ons.
Busi
ness & Informa
tion Syste
m
s Engi
neer
in
g
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09; 1(5): 39
1-3
99.
[8]
Marston S, Li
Z
,
Band
y
o
pa
dh
ya
y S, et
al. Clou
d
comp
uting the
busi
ness pers
pecti
ve.
Decision
Supp
ort Systems
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11; 51: 176-
189.
[9]
Gurudatt K
u
lka
r
ni. Cl
ou
d
Co
mputin
g S
o
ft
w
a
re
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e
rvice
.
Internati
ona
l Journ
a
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l
o
ud Co
mp
utin
g
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c
ienc
e (IJ-CLOSER).
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1): 11-16.
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0
]
We
n
j
ua
n
Fan
,
Sh
an
l
i
n
Yang
. Mu
l
t
i
s
ou
rce In
fo
rma
ti
on
Se
rvi
c
e
Pro
c
ess Ma
n
a
g
e
m
en
t i
n
C
l
oud
Comp
uting En
vironme
n
t.
Internati
ona
l Jou
r
nal of Clo
ud
Co
mputi
ng a
nd Servic
es Scienc
e (IJ-
CLOSER).
201
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