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ica
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w
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d
:
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co
m
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n
lib
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C
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lib
r
ar
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2
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1
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In
stit
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te o
f
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Al
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rig
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C
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r
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s
p
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ing
A
uth
o
r
:
Ma
y
an
k
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u
v
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u
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io
r
R
esear
c
h
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w
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Dep
ar
t
m
en
t o
f
L
ib
r
ar
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&
I
n
f
o
r
m
atio
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Sc
ien
ce
,
B
an
ar
as
Hin
d
u
Un
i
v
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s
i
t
y
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an
asi,
I
n
d
ia.
E
m
ail:
m
a
y
a
n
k
.
y
u
v
ar
aj
@
g
m
ai
l.c
o
m
1.
I
NT
RO
DUC
T
I
O
N
C
o
m
m
o
d
itizatio
n
o
f
co
m
p
u
tin
g
as
s
er
v
ice,
co
n
s
u
m
er
i
s
atio
n
o
f
I
T
an
d
d
e
m
o
cr
atiza
tio
n
o
f
t
ec
h
n
o
lo
g
y
n
u
r
t
u
r
ed
in
clo
u
d
lan
d
s
ca
p
e
h
as
o
p
en
ed
th
e
P
an
d
o
r
a
b
o
x
o
f
o
p
p
o
r
tu
n
itie
s
in
lib
r
ar
y
s
ec
to
r
.
C
lo
u
d
C
o
m
p
u
tin
g
o
f
f
er
s
lib
r
ar
ies
w
it
h
a
n
a
m
p
l
e
s
co
p
e
to
f
r
ee
I
T
r
eso
u
r
ce
s
an
d
s
er
v
ices.
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s
t
o
f
th
e
li
b
r
ar
ies
h
av
e
s
a
m
e
co
ll
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tio
n
s
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er
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ice
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d
u
s
er
g
r
o
u
p
s
w
h
ic
h
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u
p
led
w
it
h
u
b
iq
u
itio
u
s
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lo
u
d
C
o
m
p
u
ti
n
g
ca
n
b
e
u
s
ed
f
o
r
r
eso
u
r
ce
s
h
ar
i
n
g
.
R
e
s
o
u
r
ce
s
h
ar
in
g
i
n
p
ar
ticu
lar
is
in
e
v
itab
l
e
f
o
r
th
e
lib
r
ar
ies
th
at
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av
e
li
m
ite
b
u
d
g
e
ts
an
d
ca
n
n
o
t p
r
o
cu
r
e
all
th
e
lib
r
ar
y
co
llectio
n
s
.
2.
RE
SO
URC
E
SH
AR
I
N
G
:
P
H
ASE
S O
F
DE
VE
L
O
P
M
E
NT
T
h
e
m
o
s
t
co
m
m
o
n
r
ea
s
o
n
t
h
at
lib
r
ar
ies
p
ar
ticip
ate
in
r
eso
u
r
ce
s
h
ar
i
n
g
ac
t
iv
it
ies
is
to
c
o
m
p
li
m
e
n
t
lib
r
ar
y
co
llectio
n
in
r
esp
o
n
s
e
t
o
its
u
s
er
n
ee
d
s
an
d
d
e
m
a
n
d
s
f
o
r
in
f
o
r
m
atio
n
.
T
h
e
w
i
n
d
s
o
f
c
h
an
g
e
b
r
o
u
g
h
t o
u
t
in
t
h
e
n
at
u
r
e
o
f
r
eso
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r
ce
s
h
a
r
in
g
w
er
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n
o
t
s
u
d
d
en
r
at
h
er
i
t
w
as
ca
tal
y
ze
d
b
y
v
ar
io
u
s
f
a
cto
r
s
.
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ib
r
ar
y
is
a
s
o
cial
in
s
tit
u
tio
n
w
h
o
s
e
ex
i
s
t
en
ce
r
ests
o
n
t
h
e
ab
ilit
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to
s
e
r
v
e
th
e
r
ea
d
er
s
w
i
th
i
n
f
o
r
m
at
io
n
.
T
h
e
h
ar
d
s
h
ip
s
s
u
f
f
er
ed
b
y
r
is
in
g
p
r
ices
o
f
d
o
cu
m
e
n
t
s
an
d
s
ta
g
n
an
t
b
u
d
g
et
s
th
e
co
n
ce
p
t
o
f
lib
r
a
r
y
co
o
p
era
tio
n
ca
m
e
to
li
g
h
t.
I
t
w
as
m
er
el
y
co
n
f
i
n
ed
to
in
ter
-
lib
r
ar
y
lo
an
s
.
W
ith
th
e
co
m
i
n
g
u
p
o
f
in
ter
n
et
a
n
d
o
th
er
n
et
w
o
r
k
s
at
lo
ca
l
an
d
n
atio
n
al
le
v
el
t
h
e
co
n
ce
p
t
o
f
r
eso
u
r
ce
s
h
a
r
in
g
em
er
g
ed
.
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b
r
u
p
t
in
cr
ea
s
e
i
n
e
-
r
eso
u
r
ce
s
ca
t
al
y
ze
d
th
e
p
ac
e
o
f
in
f
o
r
m
atio
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e
x
ch
a
n
g
e.
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u
r
th
e
r
,
th
e
o
n
s
et
o
f
I
C
T
o
p
en
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n
e
w
d
o
o
r
s
o
f
lib
r
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co
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o
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atio
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n
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f
t
h
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p
r
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m
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s
in
g
d
e
v
elo
p
m
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ts
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eso
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ce
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h
ar
i
n
g
w
as
t
h
e
e
m
er
g
en
ce
o
f
lib
r
ar
y
co
n
s
o
r
tia.
Ho
w
e
v
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,
t
h
e
T
w
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n
t
y
-
f
ir
s
t
ce
n
tu
r
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tn
e
s
s
ed
ce
r
tai
n
ch
a
n
g
e
s
w
h
er
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p
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p
le
n
ev
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k
n
e
w
a
w
o
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ld
w
it
h
o
u
t
co
m
p
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ter
s
,
f
ast
an
d
s
p
o
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tan
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u
s
co
m
m
u
n
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s
as
w
ell
a
s
d
ig
ita
l
m
ed
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an
d
te
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n
o
lo
g
ies.
I
t
al
s
o
in
f
es
ted
th
e
m
i
n
d
s
et
o
f
lib
r
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Evaluation Warning : The document was created with Spire.PDF for Python.
IJ
-
I
C
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I
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N:
2252
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8776
R
eso
u
r
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S
h
a
r
in
g
in
Lib
r
a
r
ies
o
n
C
lo
u
d
La
n
d
s
ca
p
e
…
(
Ma
ya
n
k
Yu
va
r
a
j
)
99
p
r
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ess
io
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ex
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tal,
i
m
m
e
d
iate
an
d
s
o
cialize
d
in
f
o
r
m
all
y
[
1
5
]
.
T
h
er
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ar
e
v
ar
io
u
s
d
r
iv
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n
g
f
ac
to
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s
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o
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th
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ch
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g
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at
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r
e
o
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r
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h
ar
in
g
[
1
1
]
:
2
.
1
.
E
co
no
m
ic
cr
is
i
s
:
a.
R
ed
u
ctio
n
in
b
u
d
g
et
w
h
ich
p
r
ec
ip
itated
th
e
n
ee
d
o
f
I
n
ter
lib
r
ar
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lo
an
s
.
b.
I
n
cr
ea
s
e
in
u
s
a
g
e
as
w
ell
a
s
p
r
ices o
f
e
-
j
o
u
r
n
al
s
.
2
.
2
.
I
nflu
x
o
f
Act
iv
e
Web:
a.
User
p
r
ef
er
en
ce
s
to
w
ar
d
s
elec
tr
o
n
ic
en
v
ir
o
n
m
en
t.
b.
Sp
ee
d
y
a
n
d
co
n
v
e
n
ie
n
t i
n
f
o
r
m
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ac
ce
s
s
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il
it
y
.
c.
Hig
h
d
ep
th
an
d
b
r
ea
d
th
o
f
in
f
o
r
m
at
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a
ilab
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th
r
o
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g
h
d
atab
ases
2
.
3
.
T
ec
hn
o
lo
g
y
:
a.
L
ab
o
r
in
ten
s
i
v
e
d
o
cu
m
e
n
t d
eli
v
er
y
co
s
t
s
.
b.
R
ed
u
ctio
n
in
n
et
w
o
r
k
,
s
y
s
te
m
,
eq
u
ip
m
en
t a
n
d
s
o
f
t
w
ar
e
co
s
ts
.
T
ec
h
n
o
lo
g
y
h
as
to
u
n
ce
asi
n
g
l
y
v
ac
il
late
an
d
lib
r
ar
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ar
e
also
in
f
ested
b
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it.
T
o
k
ee
p
p
ac
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w
it
h
ti
m
e
an
d
en
j
o
y
th
e
f
la
ir
o
f
tec
h
n
o
l
o
g
y
w
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n
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to
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to
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w
it
h
i
t.
T
h
e
m
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s
tasi
s
o
f
r
es
o
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r
ce
s
h
ar
i
n
g
ca
n
b
e
d
iv
id
ed
in
to
f
o
u
r
p
h
a
s
es o
f
d
e
v
elo
p
m
e
n
t:
Fig
u
r
e
1
.
T
r
an
s
itio
n
o
f
r
eso
u
r
c
e
s
h
ar
in
g
a.
First P
h
ase
o
f
De
v
elo
p
m
e
n
t
(
L
ib
r
a
r
y
co
-
o
p
era
tio
n
)
W
ith
th
e
s
u
d
d
en
in
cr
ea
s
e
in
t
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p
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o
f
th
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m
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s
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IJ
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N:
2252
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8776
R
eso
u
r
ce
S
h
a
r
in
g
in
Lib
r
a
r
ies
o
n
C
lo
u
d
La
n
d
s
ca
p
e
…
(
Ma
ya
n
k
Yu
va
r
a
j
)
101
C
lo
u
d
s
h
ar
i
n
g
is
th
e
s
et
o
f
r
e
s
o
u
r
ce
s
o
r
s
er
v
ices
m
ad
e
a
v
ai
lab
le
to
th
e
p
u
b
li
c
t
h
r
o
u
g
h
cl
o
u
d
w
h
ic
h
d
em
a
n
d
s
s
i
m
p
l
y
n
et
w
o
r
k
co
n
n
ec
tiv
it
y
.
C
lo
u
d
co
m
p
u
ti
n
g
h
as
o
f
f
er
ed
a
n
e
w
o
u
tlo
o
k
to
th
e
p
r
ev
ailin
g
r
eso
u
r
ce
s
h
ar
i
n
g
p
r
o
b
le
m
.
I
t
o
f
f
er
s
e
f
f
icien
t
a
n
d
ef
f
ec
ti
v
e
i
n
f
o
r
m
ati
o
n
s
h
ar
i
n
g
an
d
r
eso
u
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ce
s
u
ti
li
za
tio
n
ca
p
ab
ilit
ies.
A
lt
h
o
u
g
h
th
e
co
n
c
ep
t
o
f
clo
u
d
co
m
p
u
ti
n
g
is
r
ec
en
t
y
e
t
OC
L
C
m
e
m
b
er
s
w
h
er
e
u
s
in
g
t
h
e
clo
u
d
f
o
r
co
llectiv
e
ca
talo
g
in
g
(
1
9
7
0
s
)
,
r
eso
u
r
ce
s
h
ar
in
g
(
1
9
8
0
s
)
an
d
m
ai
n
tai
n
i
n
g
o
n
li
n
e
d
atab
ases
(
1
9
9
0
s
)
.
H
o
w
e
v
er
,
m
o
s
t
o
f
t
h
e
ac
tiv
itie
s
p
r
ac
ticed
i
n
t
h
e
lib
r
ar
ies
w
er
e
alr
ea
d
y
a
v
ailab
le
i
n
t
h
e
clo
u
d
p
r
io
r
to
th
e
ter
m
clo
u
d
co
m
p
u
ti
n
g
w
h
ic
h
later
b
ec
a
m
e
th
e
f
r
o
n
t a
n
d
ce
n
tr
e
o
f
p
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p
le
co
n
s
cio
u
s
n
es
s
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t
is
clea
r
f
r
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m
t
h
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d
is
c
u
s
s
io
n
th
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d
co
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p
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ti
n
g
h
as
lo
t
in
s
to
r
e
f
o
r
th
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lib
r
ar
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s
h
ar
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n
g
i
n
th
e
clo
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d
w
i
ll
m
ee
t
th
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u
s
er
ex
p
ec
tatio
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s
an
d
en
s
u
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e
o
p
ti
m
al
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s
atis
f
ac
tio
n
.
L
ib
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s
h
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l
d
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ea
lize
th
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i
m
p
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r
tan
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f
th
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s
a
m
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ta
k
e
in
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tiati
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es i
n
th
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ec
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an
d
r
ed
esig
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er
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v
es a
n
d
s
tr
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ct
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r
e.
3.
CL
O
UD
CO
M
P
UT
I
N
G
C
lo
u
d
is
u
s
ed
as
a
m
e
tap
h
o
r
f
o
r
in
ter
n
et.
T
h
e
“
C
lo
u
d
”
ele
m
en
t
o
f
C
lo
u
d
C
o
m
p
u
ti
n
g
ca
n
b
e
s
ee
n
as
an
ac
r
o
n
y
m
th
a
t
s
ta
n
d
s
f
o
r
C
-
C
o
mp
u
tin
g
r
eso
u
r
ce
s
,
L
-
th
at
is
Lo
ca
tio
n
in
d
ep
en
d
e
n
t
,
O
-
a
cc
ess
ed
v
ia
On
lin
e
m
ea
n
s
,
U
-
u
s
ed
as
an
U
tili
ty
an
d
D
-
On
Dem
a
n
d
av
ailab
ilit
y
.
I
t
is
a
b
ig
g
er
leag
u
e
o
f
ef
f
o
r
tle
s
s
l
y
u
s
ab
le
v
ir
tu
a
lized
co
m
p
u
ti
n
g
as
s
ets
(
h
ar
d
w
ar
e,
p
latf
o
r
m
s
an
d
s
er
v
i
ce
s
)
o
f
f
er
ed
o
v
er
in
ter
n
et.
T
h
e
clo
u
d
is
lar
g
el
y
a
C
P
U
b
an
k
o
n
w
h
ic
h
a
h
y
p
er
v
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s
o
r
r
u
n
s
an
d
p
r
o
v
id
es
v
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tu
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s
er
v
er
s
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n
d
em
a
n
d
v
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n
et
w
o
r
k
to
u
s
er
s
.
T
h
e
u
s
er
is
n
o
m
o
r
e
tied
to
h
is
d
es
k
an
d
ca
n
ac
ce
s
s
t
h
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co
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p
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n
g
r
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s
o
u
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ce
s
u
ch
a
s
v
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t
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al
s
er
v
er
o
r
its
ap
p
s
r
u
n
n
in
g
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n
a
v
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tu
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er
v
er
t
h
r
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g
h
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in
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ter
m
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al
s
,
tab
let
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o
r
ev
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n
h
an
d
h
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s
[
25
]
.
As
a
co
llecti
v
e
ter
m
,
clo
u
d
co
m
p
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g
is
[
5
]
d
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d
as a
s
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le
o
f
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p
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n
g
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wh
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as
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T
I
n
f
r
as
t
r
u
ctu
r
e
a
n
d
Ser
v
ices
a
s
t
h
e
co
n
s
u
m
er
s
w
il
l
n
o
t
h
a
v
e
to
s
p
en
d
ca
p
ital
o
f
o
w
n
in
g
o
r
r
en
tin
g
t
h
e
Har
d
w
ar
e/So
f
t
w
ar
e
r
ath
er
th
e
y
ca
n
u
s
e
t
h
e
r
eso
u
r
ce
s
an
d
ex
p
en
s
e
is
cu
t
d
o
w
n
to
u
s
a
g
e
o
n
l
y
[
2
6
]
.
C
lo
u
d
co
m
p
u
t
in
g
is
b
ase
d
o
n
th
r
ee
im
p
o
r
tan
t
p
r
in
cip
le
s
th
at
d
ep
en
d
o
n
ea
ch
o
th
er
an
d
ca
n
o
n
ly
p
r
o
v
id
e
ad
d
itio
n
al
v
alu
e
i
f
i
m
p
le
m
e
n
ted
in
c
o
n
ce
r
t
[
1
0
]
.
T
h
ese
ar
e:
au
to
m
atio
n
,
v
ir
tu
a
lizatio
n
an
d
p
ay
-
as
-
y
o
u
-
g
o
p
r
icin
g
m
o
d
el.
Ho
w
e
v
er
,
at
its
h
ea
r
t
th
e
co
n
ce
p
t
o
f
clo
u
d
co
m
p
u
ti
n
g
is
a
ll
ab
o
u
t
s
h
ar
in
g
r
eso
u
r
ce
s
,
m
in
i
m
izi
n
g
o
r
g
an
izatio
n
al
ex
p
en
d
it
u
r
e
an
d
co
llab
o
r
atio
n
b
etw
ee
n
n
et
wo
r
k
s
an
d
o
r
g
an
izatio
n
s
w
h
ic
h
is
h
i
g
h
l
y
f
r
u
it
f
u
l
to
lib
r
ar
ies.
T
h
er
e
ar
e
[
2
3
]
th
r
e
e
w
av
e
s
o
f
co
m
p
u
ti
n
g
:
th
e
m
ai
n
f
r
a
m
e
w
av
e,
w
h
e
n
m
a
n
y
p
eo
p
le
s
h
ar
ed
a
co
m
p
u
ter
;
t
h
e
p
er
s
o
n
al
co
m
p
u
ter
w
a
v
e,
w
h
e
n
ea
ch
p
er
s
o
n
h
as
th
eir
o
w
n
co
m
p
u
ter
,
w
h
er
e
ea
ch
p
er
s
o
n
s
h
ar
es
m
an
y
co
m
p
u
ter
s
,
m
o
s
t
o
f
w
h
ic
h
r
e
m
a
in
in
v
i
s
ib
le.
T
h
is
w
as
th
e
f
o
u
n
d
atio
n
o
f
th
e
p
ass
ag
e
o
f
clo
u
d
co
m
p
u
ti
n
g
.
C
lo
u
d
co
m
p
u
t
in
g
is
a
n
elix
i
r
o
f
co
m
p
u
ti
n
g
li
f
e
o
f
f
er
in
g
ce
n
tr
aliza
tio
n
o
f
co
m
p
u
ti
n
g
is
s
u
e
s
&
d
ec
en
tr
aliza
tio
n
o
f
co
m
p
u
ti
n
g
p
o
w
er
.
I
n
C
lo
u
d
C
o
m
p
u
ti
n
g
an
o
r
g
an
izat
io
n
p
er
f
o
r
m
s
its
t
ask
b
y
ap
p
r
o
ac
h
in
g
th
e
r
eq
u
ir
ed
ap
p
licatio
n
t
h
r
o
u
g
h
a
w
eb
b
r
o
w
s
er
o
v
er
in
te
r
n
et.
So
m
e
w
h
er
e
o
v
er
th
e
i
n
ter
n
et
t
h
e
ap
p
licatio
n
s
r
esid
e
in
t
h
e
clo
u
d
w
h
ich
is
u
n
k
n
o
w
n
to
th
e
u
s
er
.
T
h
e
C
l
o
u
d
C
o
m
p
u
ti
n
g
s
er
v
ice
p
r
o
v
i
d
er
ca
r
r
ies
all
th
e
co
m
p
u
tatio
n
al
w
o
r
k
an
d
u
s
er
s
g
et
th
e
r
es
u
lt.
I
n
a
clo
u
d
co
m
p
u
tin
g
p
ar
ad
ig
m
o
r
g
a
n
izat
io
n
s
d
ea
ls
o
n
l
y
w
i
t
h
th
e
s
o
f
t
w
ar
e
an
d
d
o
es
n
o
t
h
av
e
to
b
o
th
er
ab
o
u
t
th
e
h
ar
d
w
ar
e
at
all;
u
n
les
s
t
h
e
o
r
g
a
n
izatio
n
b
ec
o
m
e
s
a
d
ata
ce
n
tr
e
s
er
v
ice
p
r
o
v
id
er
s
.
E
m
p
o
w
er
ed
w
ith
clo
u
d
co
m
p
u
ti
n
g
lib
r
ar
ies
ca
n
g
az
e
a
p
r
o
g
r
ess
i
v
e
f
u
t
u
r
e.
W
e
m
u
s
t
g
et
o
u
t
o
f
th
e
b
u
s
i
n
ess
o
f
b
u
y
in
g
,
co
n
f
ig
u
r
i
n
g
,
i
n
s
tal
lin
g
,
an
d
m
ain
tain
in
g
s
er
v
er
s
u
n
les
s
w
e
ab
s
o
l
u
tel
y
m
u
s
t
d
o
s
o
.
W
e
s
h
o
u
ld
b
e
s
i
m
p
l
y
an
d
ea
s
il
y
r
eq
u
is
itio
n
i
n
g
s
er
v
ices
f
r
o
m
th
e
clo
u
d
,
an
d
i
m
m
ed
iatel
y
a
n
d
ef
f
ec
ti
v
el
y
p
u
t
tin
g
th
e
m
in
to
s
er
v
ice.
4.
CL
O
UD
CO
M
P
U
T
I
N
G
& L
I
B
RARI
E
S
T
h
e
ad
v
an
ce
m
en
t
o
f
lib
r
ar
ies
to
w
ar
d
s
clo
u
d
i
s
n
o
t
a
s
u
d
d
e
n
p
h
e
n
o
m
en
o
n
.
T
h
e
s
h
i
f
t
o
f
co
m
p
u
ti
n
g
s
tr
ateg
ie
s
a
n
d
r
eso
u
r
ce
s
f
r
o
m
d
esk
to
p
s
to
t
h
e
c
lo
u
d
w
as
b
r
o
u
g
h
t
b
y
v
ar
io
u
s
p
r
e
-
c
u
r
s
o
r
tech
n
o
lo
g
ies
[
2
7
]
.
So
m
e
o
f
t
h
e
en
ab
li
n
g
tech
n
o
lg
o
ies th
at
a
g
g
r
e
v
ated
th
e
clo
u
d
p
h
en
o
m
e
n
o
n
ar
e:
a.
I
n
ex
p
en
s
i
v
e
s
to
r
ag
e
a
n
d
C
P
U
p
o
w
er
.
b.
B
r
o
ad
b
an
d
w
id
el
y
a
v
ailab
le
to
th
e
p
u
b
lic.
c.
C
o
m
m
er
cial
g
r
ad
e
v
ir
tu
ali
s
ati
o
n
.
d.
T
ec
h
n
o
lo
g
ies s
u
c
h
as So
f
t
w
ar
e
-
Or
ien
ted
A
r
c
h
itect
u
r
es,
HT
ML
,
A
j
ax
,
UNI
C
ODE
a
n
d
C
S
S
T
h
ese
f
ac
to
r
s
p
lay
ed
a
p
iv
o
tal
r
o
le
in
allo
w
i
n
g
clo
u
d
s
er
v
ic
e
p
r
o
v
id
er
s
to
o
f
f
er
th
eir
s
er
v
i
ce
s
to
th
e
en
ter
p
r
is
es
a
n
d
o
r
g
an
izatio
n
s
.
T
h
er
e
w
as
a
s
u
b
s
tan
tial
i
m
p
ac
t
o
n
lib
r
ar
y
s
ec
to
r
w
it
h
t
h
e
i
n
f
lu
x
o
f
I
T
.
I
t
s
h
o
o
k
th
e
v
er
y
f
o
u
n
d
atio
n
o
f
th
e
li
b
r
ar
ies
an
d
b
r
o
u
g
h
t
w
i
n
d
s
o
f
ch
a
n
g
e
lea
d
i
n
g
to
v
ir
tu
a
l
s
e
r
v
ices.
I
t
h
a
s
b
ee
n
d
o
m
i
n
a
n
t
to
s
u
ch
a
n
ex
te
n
t
t
h
at
m
o
s
t
o
f
t
h
e
p
eo
p
le
d
o
n
`
t
w
a
n
t
to
co
m
e
to
lib
r
ar
ies
in
s
tead
p
r
ef
er
to
g
et
s
er
v
ices
th
r
o
u
g
h
i
n
ter
n
e
t.
I
n
s
u
ch
a
s
it
u
atio
n
lib
r
ar
ies
n
ee
d
to
ad
ep
t
it
to
k
ee
p
p
ac
e
w
ith
t
h
e
ch
a
n
g
i
n
g
n
ee
d
s
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
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2
2
5
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-
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C
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Vo
l.
4
,
No
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3
,
Dec
em
b
er
20
1
5
:
9
8
–
1
10
102
an
d
to
s
er
v
e
p
eo
p
le
w
it
h
i
n
f
o
r
m
atio
n
in
a
g
lo
b
al
clo
u
d
ec
o
s
y
s
te
m
.
T
h
e
in
tr
o
d
u
ctio
n
o
f
t
h
e
in
ter
n
et
to
lib
r
ar
ies
w
a
s
p
ar
t
o
f
a
s
ig
n
i
f
ica
n
t
s
h
i
f
t
f
r
o
m
p
r
in
t/
in
-
h
o
u
s
e
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f
o
cu
s
ed
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er
v
ices
to
o
n
l
in
e
e
x
ter
n
al
l
y
p
r
o
v
id
ed
s
er
v
ices
[
1
3
]
.
A
lo
t
o
f
r
esear
ch
e
s
h
av
e
b
ee
n
co
n
d
u
cted
f
o
r
d
ev
elo
p
in
g
clo
u
d
-
b
ased
d
ig
i
tal
lib
r
ar
i
es
an
d
in
f
o
r
m
at
io
n
s
er
v
ices.
So
m
e
o
f
t
h
e
m
h
av
e
p
r
o
p
o
s
ed
v
ar
io
u
s
m
o
d
els
f
o
r
th
e
s
a
m
e.
Natio
n
al
a
g
en
cie
s
li
k
e
J
I
SC
in
UK
h
av
e
p
u
t
f
o
r
th
v
ar
io
u
s
f
lair
s
o
f
clo
u
d
b
ased
in
f
o
r
m
atio
n
s
er
v
ices
f
o
r
s
h
ar
in
g
co
n
te
n
t
a
n
d
I
C
T
i
n
f
r
a
s
tr
u
ct
u
r
e
in
t
h
e
clo
u
d
.
A
co
m
p
ar
ati
v
e
s
t
u
d
y
o
f
ex
i
s
ti
n
g
I
T
s
y
s
te
m
in
t
h
e
li
b
r
ar
ies
w
it
h
t
h
at
o
f
clo
u
d
b
ased
s
y
s
te
m
h
as
b
ee
n
p
r
esen
ted
b
elo
w
:
T
ab
le
2
.
C
o
m
p
ar
ativ
e
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tu
d
y
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f
ex
is
ti
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g
s
y
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te
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to
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d
b
ase
d
s
y
s
te
m
i
n
lib
r
ar
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I
n
f
r
a
st
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u
c
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Ex
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1
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a
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2
2
5
O
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w
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C
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r
k
S
i
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e
t
w
o
r
k
L
ib
r
ar
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w
h
ic
h
ar
e
s
er
v
ice
o
r
ien
ted
an
d
n
o
n
-
p
r
o
f
it
in
s
tit
u
tio
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ca
n
b
en
e
f
it
lar
g
el
y
i
f
t
h
e
y
j
o
in
tl
y
p
ar
ticip
ate
in
s
h
if
tin
g
to
clo
u
d
b
ased
s
y
s
te
m
s
f
o
r
th
eir
I
T
n
ee
d
s
.
L
ib
r
ar
ian
s
ar
e
f
ac
ed
w
it
h
t
h
e
ch
a
llen
g
e
o
f
p
r
o
v
id
in
g
b
etter
s
er
v
ice
s
w
i
th
s
h
r
in
k
i
n
g
b
u
d
g
et
s
[
1
9
]
.
Fo
r
tu
n
ate
l
y
,
t
h
e
d
ev
elo
p
m
e
n
ts
in
i
n
f
o
r
m
atio
n
tech
n
o
lo
g
y
(
I
T
)
cr
ea
ted
n
e
w
o
p
p
o
r
tu
n
itie
s
f
o
r
lib
r
ar
ian
s
wh
er
e
th
e
y
ca
n
n
o
w
p
r
o
v
id
e
ac
ce
s
s
to
n
et
w
o
r
k
e
d
in
f
o
r
m
atio
n
s
o
u
r
ce
s
t
h
at
th
eir
lib
r
ar
ies
d
o
n
o
t
ev
en
o
w
n
.
On
e
o
f
th
e
en
ab
li
n
g
tec
h
n
o
lo
g
y
f
o
r
th
e
r
ea
lizatio
n
o
f
th
e
s
a
m
e
is
clo
u
d
co
m
p
u
ti
n
g
.
T
o
im
p
l
y
c
lo
u
d
co
m
p
u
ti
n
g
in
th
e
lib
r
ar
ies
th
er
e
i
s
n
ee
d
o
f
a
h
o
lis
tic
ap
p
r
o
ac
h
.
T
h
er
e
is
a
li
m
ited
u
p
tak
e
o
f
clo
u
d
s
o
lu
t
io
n
s
in
lib
r
ar
ies
f
o
r
w
h
ich
th
er
e
i
s
a
n
ee
d
to
m
ak
e
c
h
o
ices
b
et
w
e
en
w
h
er
e
it
ca
n
b
e
ap
p
lied
an
d
w
h
at
ca
n
b
e
ac
co
m
p
lis
h
ed
.
Ho
w
ev
er
,
it
i
s
a
s
tr
o
n
g
d
r
i
v
er
f
o
r
co
llab
o
r
atio
n
an
d
ef
f
ic
ien
cie
s
t
h
at
ch
ec
k
s
s
y
s
te
m
a
n
d
s
er
v
ice
s
r
ed
u
n
d
an
c
y
.
T
h
e
lib
r
ar
y
g
o
a
ls
to
s
er
v
e
u
s
er
s
w
i
th
in
f
o
r
m
atio
n
n
ee
d
s
to
b
e
r
ep
lace
d
w
it
h
co
n
te
n
t.
R
e
s
ea
r
ch
er
s
d
o
n
o
t
g
et
ex
ac
t
i
n
f
o
r
m
atio
n
b
y
s
ea
r
ch
i
n
g
w
it
h
j
o
u
r
n
al
titl
e
o
r
k
e
y
w
o
r
d
s
.
T
h
er
e
is
a
n
ee
d
f
o
r
lib
r
ar
ies
to
cr
ea
te
jo
in
t
p
latf
o
r
m
f
o
r
o
f
f
er
i
n
g
t
h
e
co
n
te
n
t
a
s
s
er
v
ice
o
r
p
latf
o
r
m
o
r
in
f
r
ast
r
u
ct
u
r
e.
A
co
n
ce
p
tu
a
l c
l
o
u
d
co
m
p
u
ti
m
g
la
n
d
s
ca
p
e
f
o
r
th
e
lib
r
ar
ies h
a
s
b
ee
n
p
r
esen
te
d
b
elo
w
:
Fig
u
r
e
2
.
C
o
n
ce
p
tu
al
f
r
a
m
e
w
o
r
k
o
f
clo
u
d
co
m
p
u
t
in
g
la
n
d
s
ca
p
e
in
lib
r
ar
ies
Evaluation Warning : The document was created with Spire.PDF for Python.
IJ
-
I
C
T
I
SS
N:
2252
-
8776
R
eso
u
r
ce
S
h
a
r
in
g
in
Lib
r
a
r
ies
o
n
C
lo
u
d
La
n
d
s
ca
p
e
…
(
Ma
ya
n
k
Yu
va
r
a
j
)
103
Mo
r
e
o
f
ten
w
i
th
t
h
e
co
m
i
n
g
o
f
Go
o
g
le
er
a
t
h
er
e
is
a
n
ee
d
to
b
r
in
g
all
th
e
lib
r
ar
ies
to
th
e
web
o
f
d
ata
to
m
a
k
e
th
e
co
n
te
n
t
r
etr
iev
ab
l
e.
I
n
th
e
co
m
in
g
f
u
t
u
r
e
lib
r
ar
ies
n
ee
d
to
r
ep
lace
ca
talo
g
u
in
g
w
it
h
ca
talan
k
i
n
g
o
f
d
o
cu
m
en
ts
i
n
th
e
clo
u
d
an
d
cr
ea
tin
g
li
n
k
ed
d
ata.
L
in
k
ed
d
ata
co
u
ld
h
elp
to
u
n
co
v
er
th
e
h
o
ly
g
r
ail
o
f
lib
r
ar
y
tech
n
o
lo
g
ies
-
s
m
ar
t
f
ed
er
ated
s
ea
r
ch
.
Fo
r
y
ea
r
s
w
e
h
a
v
e
b
ee
n
talk
i
n
g
ab
o
u
t
h
av
in
g
a
"Go
o
g
le
-
li
k
e"
s
ea
r
ch
f
o
r
lib
r
ar
y
r
eso
u
r
ce
s
,
w
ell,
s
e
m
an
tic
s
ea
r
c
h
co
u
ld
tak
e
u
s
f
ar
b
ey
o
n
d
th
e
cu
r
r
en
t
s
tr
i
n
g
-
m
atc
h
in
g
ca
p
ab
ilit
ie
s
o
f
s
ea
r
ch
e
n
g
i
n
es l
ik
e
Go
o
g
le
[
2
]
.
Mo
r
e
o
v
er
,
lib
r
ar
y
u
s
er
s
h
a
v
e
s
h
i
f
ted
t
h
eir
i
n
ter
est
f
r
o
m
g
r
o
u
n
d
to
w
ar
d
s
clo
u
d
.
T
h
er
e
is
a
ten
d
en
c
y
a
m
o
n
g
u
s
er
s
to
r
e
m
ai
n
co
n
n
e
cted
to
th
e
W
eb
th
r
o
u
g
h
clo
u
d
s
er
v
ice
s
li
k
e
W
eb
m
a
ils
(
G
m
ail,
Ya
h
o
o
m
ai
l,
Sify
m
ail)
,
o
n
li
n
e
s
to
r
ag
e
s
y
s
t
e
m
s
(
S
k
y
d
r
i
v
e,
I
d
r
iv
e,
B
o
x
.
n
e
t)
.
T
h
er
e
h
as
b
ee
n
s
h
ar
p
in
cr
e
ase
in
th
e
u
s
ag
e
o
f
W
eb
-
b
ased
o
f
f
ice
to
o
ls
(
Go
o
g
le
Do
cs
an
d
Z
o
h
o
)
in
th
e
r
e
ce
n
t
ti
m
es.
F
u
r
th
er
,
to
k
ee
p
th
e
m
s
el
v
es
ab
r
ea
s
t
o
f
r
ec
en
t
d
ev
elo
p
m
e
n
t
s
u
s
er
s
ar
e
u
s
i
n
g
W
eb
-
b
ased
R
SS
r
ea
d
er
s
(
B
lo
g
lin
e
s
,
Go
o
g
le
R
ea
d
er
)
.
A
ll
t
h
ese
ac
ti
v
i
t
ies
ar
e
p
er
f
o
r
m
ed
in
clo
u
d
w
h
ic
h
ca
n
b
e
u
s
ed
t
h
r
o
u
g
h
a
W
eb
b
r
o
w
s
er
w
it
h
in
ter
n
et
co
n
n
ec
tiv
it
y
.
C
lo
u
d
h
as
ev
o
lv
ed
as
a
g
lo
b
al
e
n
ter
tai
n
m
en
t
(
Yo
u
T
u
b
e,
Fli
c
k
r
,
Hu
l
u
)
as
w
ell
a
s
So
cial
n
et
w
o
r
k
(
O
r
k
u
t,
Face
b
o
o
k
,
h
i5
)
also
.
Var
io
u
s
p
latf
o
r
m
s
in
t
h
e
clo
u
d
ar
e
o
f
f
er
in
g
W
eb
b
ased
u
s
ef
u
l
ap
p
licatio
n
s
:
P
an
d
o
(
s
h
ar
i
n
g
lar
g
e
f
ile
s
)
,
A
d
o
b
e
P
h
o
to
s
h
o
p
E
x
p
r
ess
(
o
n
lin
e
p
h
o
to
ed
ito
r
s
)
,
an
d
J
u
m
p
c
u
t
(
ed
it
v
id
eo
s
o
n
li
n
e)
.
A
b
o
v
e
all,
clo
u
d
is
b
ein
g
u
s
ed
as o
p
en
s
o
u
r
ce
d
ev
e
lo
p
m
en
t n
et
w
o
r
k
to
s
h
ar
e
t
h
e
s
o
u
r
c
e
co
d
es (
Dr
u
p
al)
.
Ac
co
r
d
in
g
to
th
e
2
0
1
1
C
lo
u
d
C
o
m
p
u
ti
n
g
Ou
t
lo
o
k
Su
r
v
e
y
th
er
e
h
a
s
b
ee
n
s
i
g
n
i
f
ican
t
s
h
i
f
t
i
n
th
e
u
s
a
g
e
tr
en
d
s
o
f
th
e
clo
u
d
.
a.
6
1
%
o
r
g
an
izatio
n
s
ar
e
in
t
h
e
in
f
o
r
m
a
tio
n
g
at
h
er
in
g
o
r
p
lan
n
i
n
g
s
ta
g
es
o
r
h
a
v
e
an
ap
p
r
o
v
ed
clo
u
d
co
m
p
u
ti
n
g
s
tr
ateg
y
(
b
u
t
n
o
i
m
p
le
m
en
tatio
n
)
,
2
0
%
h
a
v
e
clo
u
d
i
m
p
le
m
e
n
tatio
n
s
an
d
2
0
%
h
a
v
e
n
o
clo
u
d
co
m
p
u
ti
n
g
p
la
n
s
at
t
h
is
p
o
in
t.
b.
Har
d
w
ar
e
s
av
in
g
s
w
a
s
cited
as
th
e
m
o
s
t
p
o
p
u
lar
r
ea
s
o
n
f
o
r
u
s
i
n
g
clo
u
d
-
b
ased
s
to
r
ag
e
a
n
d
p
latf
o
r
m
-
as
-
a
-
s
er
v
ice.
c.
Op
en
s
o
u
r
ce
u
s
a
g
e
is
p
er
v
a
s
i
v
e
a
m
o
n
g
c
lo
u
d
co
m
p
u
tin
g
u
s
er
s
w
it
h
6
9
%
u
s
in
g
o
p
en
s
o
u
r
ce
s
o
f
t
w
ar
e
w
h
e
n
ev
er
p
o
s
s
ib
le
w
h
ile
3
% c
lai
m
n
o
t u
s
e
o
p
en
s
o
u
r
ce
s
o
f
t
w
ar
e
at
all.
d.
5
9
% u
s
er
s
u
s
e
co
m
p
u
te
clo
u
d
,
4
7
% c
lo
u
d
s
to
r
ag
e
an
d
4
7
% c
lo
u
d
p
latf
o
r
m
s
.
e.
Of
all
p
ar
ticip
an
t
s
s
u
r
v
e
y
ed
th
e
p
r
ev
alen
t
u
s
e
f
o
r
clo
u
d
co
m
p
u
tin
g
w
a
s
to
h
o
s
t
w
eb
s
i
tes
(
5
7
%),
f
o
llo
w
e
d
b
y
d
o
cu
m
e
n
t
m
a
n
a
g
e
m
en
t (
3
9
%)
.
f.
T
h
e
to
p
f
ac
to
r
in
f
lu
e
n
ci
n
g
t
h
e
u
s
e
o
f
clo
u
d
co
m
p
u
ti
n
g
is
s
ca
l
ab
ilit
y
(
6
1
%),
f
o
llo
w
ed
b
y
o
v
er
all
co
s
t
s
av
i
n
g
s
(
5
4
%)
an
d
ea
s
ier
m
a
n
ag
e
m
e
n
t (
5
3
%)
.
5.
NE
E
D
O
F
CL
O
UD
CO
M
P
UT
I
N
G
S
E
RV
I
C
E
S IN
L
I
B
RARI
E
S
I
t
is
an
ac
t
o
f
b
r
av
er
y
to
k
ee
p
p
ac
e
w
ith
t
h
e
tech
n
o
lo
g
y
w
h
i
ch
h
as
al
w
a
y
s
a
n
ele
m
e
n
t
o
f
d
y
n
a
m
ici
t
y
.
C
lo
u
d
co
m
p
u
ti
n
g
in
p
ar
ticu
la
r
h
as
b
ee
n
id
en
t
if
ied
a
s
a
m
eth
o
d
f
o
r
lib
r
ar
ies
to
e
m
b
r
ac
e
n
e
w
ad
v
an
ce
s
i
n
tech
n
o
lo
g
y
b
o
th
n
o
w
an
d
i
n
to
th
e
f
u
tu
r
e
[
1
4
]
.
Un
co
n
s
c
io
u
s
l
y
,
lib
r
ar
ian
s
an
d
u
s
er
s
ar
e
ef
f
e
ctiv
el
y
m
ak
in
g
u
s
e
o
f
clo
u
d
co
m
p
u
t
in
g
to
f
u
l
f
ill
th
eir
n
ee
d
s
.
F
u
r
th
er
,
m
aj
o
r
ity
o
f
lib
r
ar
y
co
llectio
n
s
n
o
w
in
cl
u
d
es
elec
tr
o
n
ic
co
n
ten
t
a
n
d
th
e
p
r
ac
tice
o
f
p
r
o
v
id
in
g
o
n
e
b
o
o
k
at
a
tim
e
to
th
e
u
s
er
is
n
o
t
f
ea
s
ib
le.
T
h
r
o
u
g
h
C
lo
u
d
co
m
p
u
tin
g
lib
r
ar
ies
ca
n
p
u
t
th
eir
d
ata
in
d
ef
i
n
ab
le
w
h
ic
h
ca
n
b
e
ac
ce
s
s
e
d
f
r
o
m
a
n
y
w
h
er
e.
C
lo
u
d
s
i
m
p
l
y
o
f
f
er
s
a
b
u
n
c
h
o
f
s
er
v
ices
p
r
o
v
id
ed
th
r
o
u
g
h
v
ar
io
u
s
u
n
i
v
er
s
al
ce
n
ter
s
an
d
b
u
i
lt
o
n
s
er
v
er
s
[
1
7
]
.
I
t
en
ab
les
u
s
er
s
a
f
ac
ilit
y
t
h
at
o
f
ten
ap
p
ea
r
s
as
s
i
n
g
le
p
o
in
t o
f
ac
ce
s
s
f
o
r
cu
s
to
m
er
s
co
m
p
u
t
in
g
n
ee
d
s
a
n
d
s
p
ec
if
icat
io
n
.
T
h
er
e
is
an
u
t
m
o
s
t
n
ee
d
to
u
n
d
er
s
tan
d
th
e
i
n
tr
icac
ies
o
f
clo
u
d
co
m
p
u
ti
n
g
an
d
t
h
e
co
m
p
et
en
cies
o
n
o
f
f
er
w
h
ich
ca
n
b
e
ap
p
lied
in
lib
r
ar
ies.
T
h
er
e
is
also
a
n
ee
d
to
s
ee
th
e
f
ea
s
ib
ilit
y
o
f
th
e
co
n
ce
p
t.
T
h
e
g
r
o
w
in
g
in
ter
n
e
t
u
s
ag
e
a
m
o
n
g
lib
r
ar
y
u
s
er
s
a
n
d
th
e
t
i
m
e
th
e
s
e
u
s
er
s
s
p
en
d
o
n
th
e
in
ter
n
et
h
as
m
a
d
e
it
i
m
p
er
ativ
e
t
h
at
lib
r
ar
ies
o
f
f
er
th
e
ir
s
er
v
ices
o
n
li
n
e.
User
s
o
f
in
f
o
r
m
a
tio
n
h
av
e
m
o
r
e
attr
ac
ti
v
e
w
a
y
s
o
f
f
in
d
in
g
i
n
f
o
r
m
atio
n
th
an
u
s
in
g
t
h
e
tr
ad
itio
n
al
lib
r
a
r
y
.
T
o
d
ay
,
lib
r
ar
y
u
s
er
s
ar
e
ac
ce
s
s
i
n
g
t
h
e
i
n
f
o
r
m
atio
n
n
ee
d
e
d
f
r
o
m
th
e
co
m
f
o
r
t
an
d
s
ec
u
r
it
y
o
f
t
h
eir
h
o
m
es o
r
in
th
e
ir
o
w
n
p
er
s
o
n
al
o
r
cu
s
to
m
ized
s
p
ac
es
[
1
]
.
Ho
w
e
v
er
t
h
er
e
is
a
f
u
t
u
r
is
tic
e
s
s
e
n
ce
i
n
clo
u
d
co
m
p
u
ti
n
g
f
o
r
lib
r
ar
ies
.
C
lo
u
d
co
m
p
u
ti
n
g
is
b
en
ef
icia
l
w
h
e
n
ex
p
er
tis
e
is
lac
k
i
n
g
a
n
d
w
h
er
e
f
u
tu
r
e
co
m
p
u
tin
g
n
ee
d
s
ar
e
u
n
s
u
r
e.
I
t
en
ab
les
lib
r
ar
ies
to
s
to
p
d
ea
lin
g
w
it
h
tec
h
n
ical
is
s
u
e
s
th
a
t h
a
v
e
n
o
th
i
n
g
to
d
o
w
ith
t
h
eir
d
a
y
-
to
-
d
a
y
m
is
s
io
n
an
d
s
er
v
ices.
[
1
4
]
C
lo
u
d
s
er
v
ice
s
allo
w
f
o
r
m
o
r
e
o
p
ti
m
al
r
e
s
o
u
r
ce
u
tili
za
tio
n
,
ea
s
ier
ac
ce
s
s
,
a
n
d
m
o
r
e
e
f
f
e
ctiv
e
co
s
t
r
ed
u
ctio
n
[
2
2
]
.
T
h
e
g
r
o
w
in
g
i
n
ter
n
et
u
s
a
g
e
a
m
o
n
g
l
ib
r
ar
y
u
s
er
s
an
d
p
o
ten
tial
u
s
er
s
,
p
lu
s
t
h
e
ti
m
e
th
e
s
e
u
s
er
s
s
p
en
d
o
n
t
h
e
i
n
ter
n
et,
h
as
m
a
d
e
it
i
m
p
er
ati
v
e
t
h
at
l
ib
r
ar
ies
o
f
f
er
t
h
e
ir
s
er
v
ice
s
o
n
li
n
e.
T
o
d
ay
`
s
co
n
s
u
m
er
s
o
f
in
f
o
r
m
atio
n
h
a
v
e
m
o
r
e
alter
n
a
tiv
e
a
n
d
attr
ac
tiv
e
w
a
y
s
o
f
f
i
n
d
in
g
i
n
f
o
r
m
atio
n
th
a
n
u
s
i
n
g
t
h
e
tr
ad
itio
n
al
lib
r
ar
y
[
1
6
]
.
T
h
e
f
u
tu
r
e
o
f
co
m
p
u
ti
n
g
lie
s
in
clo
u
d
co
m
p
u
ti
n
g
,
w
h
o
s
e
m
aj
o
r
g
o
al
is
r
ed
u
ci
n
g
th
e
c
o
s
t
o
f
I
T
s
er
v
ices
w
h
ile
i
n
cr
ea
s
i
n
g
p
r
o
ce
s
s
in
g
t
h
r
o
u
g
h
p
u
t,
r
eliab
ilit
y
,
av
ai
lab
ilit
y
a
n
d
f
le
x
ib
ili
t
y
an
d
d
ec
r
ea
s
in
g
p
r
o
ce
s
s
in
g
t
i
m
e
[
8
]
.
C
lo
u
d
co
m
p
u
ti
n
g
w
ill
b
r
in
g
a
n
en
d
to
th
e
I
L
S
s
er
v
er
[
2
4
]
.
Ma
jo
r
ity
o
f
th
e
lib
r
ar
y
co
r
e
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
2
5
2
-
8776
IJ
-
I
C
T
Vo
l.
4
,
No
.
3
,
Dec
em
b
er
20
1
5
:
9
8
–
1
10
104
co
n
ce
r
n
s
ca
n
b
e
s
o
lv
ed
b
y
s
h
i
f
ti
n
g
to
clo
u
d
c
o
m
p
u
ti
n
g
a
n
d
p
ar
ticip
atin
g
i
n
r
eso
u
r
ce
s
h
ar
i
n
g
.
So
m
e
o
f
t
h
e
m
h
av
e
b
ee
n
m
e
n
tio
n
ed
b
elo
w
:
.
N
o
L
i
b
r
a
r
y
c
o
n
c
e
r
n
s
S
o
l
u
t
i
o
n
s
i
n
C
l
o
u
d
1
I
n
f
o
r
mat
i
o
n
se
r
v
i
c
e
s
L
i
b
r
a
r
i
e
s
p
r
o
v
i
d
e
d
b
i
b
l
i
o
g
r
a
p
h
i
c
a
n
d
f
u
l
l
t
e
x
t
d
a
t
a
b
a
se
s
a
n
d
s
t
o
r
e
d
f
o
r
e
i
g
n
j
o
u
r
n
a
l
s
i
n
d
i
g
i
t
a
l
f
o
r
m
i
n
t
h
e
c
l
o
u
d
.
2
L
i
b
r
a
r
y
n
e
t
w
o
r
k
i
n
g
I
n
t
e
r
n
e
t
a
n
d
w
e
b
t
e
c
h
n
o
l
o
g
i
e
s
o
f
f
e
r
e
d
t
h
e
i
n
f
r
a
st
r
u
c
t
u
r
e
i
n
t
h
e
c
l
o
u
d
t
o
c
o
mm
u
n
i
c
a
t
e
w
i
t
h
e
a
c
h
o
t
h
e
r
.
3
R
e
mo
t
e
se
r
v
i
c
e
s
W
e
b
b
r
o
w
s
e
r
s
s
e
r
v
e
d
a
s
a
n
i
n
t
e
r
me
d
i
a
r
y
i
n
t
h
e
c
l
o
u
d
a
n
d
e
n
a
b
l
e
d
l
i
b
r
a
r
i
e
s t
o
a
c
c
e
ss t
h
e
p
o
o
l
o
f
r
e
so
u
r
c
e
s a
v
a
i
l
a
b
l
e
r
e
mo
t
e
l
y
.
4
D
a
t
a
a
n
d
i
n
f
o
r
mat
i
o
n
mo
n
o
p
o
l
y
a
n
d
w
a
st
a
g
e
M
u
l
t
i
p
l
e
c
o
p
i
e
s
o
f
i
n
f
o
r
mat
i
o
n
t
o
t
h
e
u
se
r
a
n
y
t
i
me
c
o
u
l
d
b
e
o
f
f
e
r
e
d
b
r
e
a
k
i
n
g
t
h
e
b
o
u
n
d
a
r
i
e
s
t
h
r
o
u
g
h
e
l
e
c
t
r
o
n
i
c
d
o
c
u
me
n
t
d
e
l
i
v
e
r
y
s
e
r
v
i
c
e
s.
I
n
f
o
r
mat
i
o
n
a
n
d
d
a
t
a
mi
s
u
se
c
a
n
b
e
c
h
e
c
k
e
d
t
h
r
o
u
g
h
u
se
r
i
d
s,
p
a
ssw
o
r
d
s,
d
i
g
i
t
i
z
e
d
h
a
n
d
w
r
i
t
i
n
g
,
b
i
o
me
t
r
i
c
s
,
v
o
i
c
e
p
r
i
n
t
s,
f
i
n
g
e
r
p
r
i
n
t
s
a
n
d
f
a
c
e
r
e
c
o
g
n
i
t
i
o
n
i
n
t
h
e
c
l
o
u
d
.
5
F
a
i
l
u
r
e
o
f
l
i
b
r
a
r
y
c
a
t
a
l
o
g
u
e
s
t
o
mee
t
u
se
r
e
x
p
e
c
t
a
t
i
o
n
s
C
r
e
a
t
i
n
g
l
i
n
k
e
d
d
a
t
a
i
n
t
h
e
c
l
o
u
d
a
n
d
r
e
p
l
a
c
i
n
g
c
a
t
a
l
o
g
i
n
g
w
i
t
h
c
a
t
a
l
i
n
k
i
n
g
o
f
t
h
e
c
o
n
t
e
n
t
.
Fig
u
r
e
3
.
L
ib
r
ar
y
co
n
ce
r
n
s
an
d
its
s
o
lu
tio
n
s
i
n
t
h
e
clo
u
d
R
ec
en
t
l
y
,
O
C
L
C
s
tar
ted
W
eb
s
ca
le
m
a
n
a
g
e
m
e
n
t
s
er
v
ice
s
w
h
ic
h
ca
n
p
er
f
o
r
m
th
e
in
-
h
o
u
s
e
lib
r
ar
y
o
p
er
atio
n
s
th
r
o
u
g
h
m
u
t
u
al
co
-
o
p
er
atio
n
.
I
t
w
ill
p
r
o
v
id
e
all
its
w
eb
-
s
ca
le
s
u
b
s
cr
ib
er
s
w
it
h
a
v
en
d
o
r
d
atab
ase
w
h
ic
h
w
ill
lis
t
th
eir
d
etails
a
v
o
id
in
g
d
ata
r
ed
u
n
d
an
c
y
i
n
l
ib
r
ar
ies.
L
ib
r
ar
ies
ca
n
w
o
r
k
co
o
p
er
ativ
el
y
in
a
f
le
x
ib
le
en
v
ir
o
n
m
e
n
t
w
h
er
e
th
e
y
ca
n
s
h
ar
e
s
o
lu
t
io
n
s
to
p
r
o
b
lem
s
in
s
tead
o
f
h
av
i
n
g
to
r
ein
v
e
n
t
t
h
e
w
h
ee
l
at
ea
ch
li
b
r
ar
y
[
6
]
.
Mi
g
r
atin
g
to
a
clo
u
d
-
b
ased
ap
p
licatio
n
m
a
y
t
u
r
n
o
u
t
to
b
e
co
s
t
n
e
u
tr
al
b
u
t
at
th
e
s
a
m
e
ti
m
e
s
till
h
av
e
t
h
e
b
en
e
f
it o
f
allo
w
i
n
g
s
ta
f
f
to
co
n
ce
n
tr
ate
o
n
lib
r
a
r
y
-
s
p
ec
if
ic
i
s
s
u
es [
1
4
]
.
Oth
er
v
e
n
d
o
r
s
ca
n
tak
e
ad
v
a
n
tag
e
o
f
th
e
clo
u
d
.
Ven
d
o
r
s
ca
n
p
r
o
v
id
e
a
r
em
o
tel
y
h
o
s
te
d
s
er
v
ice
w
h
ic
h
allo
w
s
f
o
r
t
h
e
cr
ea
tio
n
o
f
m
o
d
u
lar
co
n
te
n
t,
w
h
ic
h
m
an
y
lib
r
ar
ies
w
o
u
ld
n
`
t
b
e
ab
l
e
to
cr
ea
te
o
n
t
h
eir
o
w
n
.
I
t
also
lo
w
er
s
th
e
tech
n
ical
s
k
i
lls
n
ee
d
ed
to
cr
ea
te
w
eb
p
a
g
es.
L
i
k
e
o
th
er
clo
u
d
ap
p
licatio
n
s
it
i
s
ac
ce
s
s
ib
le
f
r
o
m
a
n
y
i
n
ter
n
et
c
o
n
n
ec
tio
n
,
s
o
y
o
u
d
o
n
`
t
n
ee
d
a
clien
t
o
n
y
o
u
r
lo
ca
l
P
C
[
2
4
]
.
Mo
r
eo
v
er
,
th
r
o
u
g
h
clo
u
d
co
m
p
u
ti
n
g
i
n
s
tead
o
f
h
av
in
g
o
w
n
s
er
v
er
s
a
n
d
e
m
p
lo
y
in
g
p
er
s
o
n
n
el
f
o
r
its
m
a
in
te
n
an
ce
lib
r
ar
ies
ca
n
h
ir
e
a
v
e
n
d
o
r
o
n
a
m
o
n
th
l
y
c
h
ar
g
e
an
d
en
j
o
y
th
e
b
en
e
f
it o
f
s
a
m
e
s
er
v
er
f
u
n
ctio
n
.
A
b
r
ief
li
s
t o
f
p
o
ten
t
ial
ar
ea
s
o
f
i
m
p
r
o
v
e
m
e
n
t c
o
u
ld
i
n
clu
d
e
[
6
]
:
1.
Mo
s
t lib
r
ar
y
co
m
p
u
ter
s
y
s
te
m
s
ar
e
b
u
ilt o
n
p
r
e
-
W
eb
tech
n
o
l
o
g
y
2.
S
y
s
te
m
s
d
is
tr
ib
u
ted
ac
r
o
s
s
th
e
Net
u
s
i
n
g
p
r
e
-
W
eb
tech
n
o
lo
g
y
ar
e
h
ar
d
er
an
d
m
o
r
e
co
s
tl
y
t
o
in
teg
r
ate
3.
L
ib
r
ar
ies s
to
r
e
an
d
m
a
in
ta
in
m
u
ch
o
f
th
e
s
a
m
e
d
ata
h
u
n
d
r
ed
s
an
d
th
o
u
s
an
d
s
o
f
ti
m
es.
4.
W
ith
lib
r
ar
y
d
ata
s
ca
tter
ac
r
o
s
s
d
is
tr
ib
u
ted
s
y
s
te
m
s
th
e
lib
r
ar
y
’
s
W
eb
p
r
esen
ce
is
w
ea
k
e
n
e
d
5.
W
ith
lib
r
ar
ies
r
u
n
n
i
n
g
i
n
d
e
p
en
d
en
t
s
y
s
te
m
s
co
llab
o
r
ati
o
n
b
et
w
ee
n
lib
r
ar
ies
is
m
a
d
e
d
if
f
ic
u
lt
an
d
ex
p
en
s
iv
e
6.
I
n
f
o
r
m
a
tio
n
s
ee
k
er
s
w
o
r
k
in
c
o
m
m
o
n
W
eb
en
v
ir
o
n
m
en
t
s
an
d
d
is
tr
ib
u
ted
s
y
s
te
m
s
m
ak
e
it
d
if
f
ic
u
lt
to
g
e
t
lib
r
ar
y
i
n
to
th
eir
w
o
r
k
f
lo
w
7.
Ma
n
y
s
y
s
te
m
s
ar
e
o
n
l
y
u
s
ed
to
1
0
%
o
f
t
h
eir
ca
p
ac
it
y
.
C
o
m
b
i
n
i
n
g
s
y
s
te
m
s
in
to
a
clo
u
d
en
v
ir
o
n
m
e
n
t
r
ed
u
ce
s
th
e
ca
r
b
o
n
f
o
o
tp
r
in
t
s
,
m
ak
in
g
lib
r
ar
ies g
r
ee
n
er
6.
ST
AND
ARDI
Z
A
T
I
O
N
O
F
UB
I
Q
U
I
T
O
U
S E
L
E
C
T
RO
N
I
C
L
I
B
RA
RI
E
S IN
C
L
O
UD
T
h
er
e
ar
e
th
r
ee
ac
tiv
e
b
o
d
ies
w
o
r
k
i
n
g
to
w
ar
d
s
s
ta
n
d
ar
d
izin
g
clo
u
d
co
m
p
u
ti
n
g
p
r
ac
tices
in
ev
er
y
d
o
m
ai
n
:
a.
C
lo
u
d
co
m
p
u
tin
g
I
n
ter
o
p
er
ab
ilit
y
Fo
r
u
m
b.
Op
en
clo
u
d
co
n
s
o
r
ti
u
m
c.
DM
T
F
o
p
en
clo
u
d
s
tan
d
ar
d
s
in
cu
b
ato
r
T
h
er
e
is
also
a
d
o
cu
m
e
n
t
ca
ll
ed
th
e
o
p
en
clo
u
d
m
a
n
if
e
s
to
in
w
h
ic
h
v
ar
io
u
s
s
ta
k
e
h
o
ld
er
s
ex
p
r
es
s
w
h
y
o
p
en
s
ta
n
d
ar
d
s
w
ill
b
en
ef
it
clo
u
d
co
m
p
u
ti
n
g
[
1
8
]
.
Gr
o
s
s
m
an
[
7
]
ass
er
t
s
t
h
at
t
h
e
c
u
r
r
en
t
s
tate
o
f
s
tan
d
ar
d
s
an
d
in
ter
o
p
er
ab
ilit
y
in
clo
u
d
co
m
p
u
ti
n
g
i
s
s
i
m
ilar
to
th
e
ea
r
ly
I
n
ter
n
et
er
a
w
h
er
e
ea
ch
o
r
g
an
izatio
n
h
ad
its
o
w
n
n
et
w
o
r
k
a
n
d
d
ata
tr
an
s
f
er
w
as
d
i
f
f
ic
u
lt,
w
h
ic
h
ch
an
g
ed
w
it
h
t
h
e
i
n
tr
o
d
u
ctio
n
o
f
T
C
P
an
d
o
th
er
Evaluation Warning : The document was created with Spire.PDF for Python.
IJ
-
I
C
T
I
SS
N:
2252
-
8776
R
eso
u
r
ce
S
h
a
r
in
g
in
Lib
r
a
r
ies
o
n
C
lo
u
d
La
n
d
s
ca
p
e
…
(
Ma
ya
n
k
Yu
va
r
a
j
)
105
I
n
ter
n
et
s
ta
n
d
ar
d
s
.
T
h
ese
w
er
e
r
esis
ted
b
y
th
e
v
e
n
d
o
r
s
j
u
s
t
lik
e
th
e
f
ate
o
f
clo
u
d
co
m
p
u
t
in
g
.
So
m
e
s
c
h
o
lar
s
h
av
e
[
9
]
h
as e
n
lis
ted
th
e
d
if
f
ic
u
ltie
s
o
f
d
ev
elo
p
in
g
s
ta
n
d
ar
d
s
.
Ho
w
e
v
er
,
clo
u
d
co
m
p
u
ti
n
g
ca
n
b
en
ef
it
f
r
o
m
s
tan
d
ar
d
ized
AP
I
in
ter
f
ac
es
as
g
e
n
er
ic
to
o
ls
th
at
m
a
n
a
g
e
clo
u
d
in
f
r
astru
ct
u
r
es
ca
n
b
e
d
ev
elo
p
ed
f
o
r
all
o
f
f
er
i
n
g
s
.
Ho
w
e
v
er
,
ac
h
iev
i
n
g
s
tan
d
ar
d
ized
A
P
I
ap
p
ea
r
s
to
b
e
r
ath
er
p
o
liti
ca
ll
y
t
h
an
tec
h
n
icall
y
c
h
allen
g
in
g
[
1
8
]
.
7.
L
O
B
AL
CL
O
U
D
CO
M
P
UT
I
NG
R
E
SO
U
RCE
SH
ARIN
G
M
O
DE
L
Mo
d
els
ar
e
m
e
n
tal
o
r
p
icto
r
ial
r
ep
r
es
en
tatio
n
o
f
a
n
e
v
en
t
o
r
p
h
en
o
m
e
n
o
n
.
Ge
n
er
all
y
m
o
d
el
s
ar
e
e
m
p
lo
y
ed
to
s
tu
d
y
s
u
c
h
p
h
e
n
o
m
e
n
o
n
w
h
ic
h
ca
n
n
o
t
b
e
s
ee
n
o
r
f
elt.
Mo
d
els
f
o
cu
s
o
n
m
o
r
e
s
p
ec
if
ic
p
r
o
b
lem
s
th
an
d
o
th
eo
r
ies
[
3
]
.
E
x
is
ti
n
g
m
o
d
el
w
as
d
ev
e
lo
p
ed
w
it
h
a
n
ee
d
to
f
ig
u
r
e
o
u
t
to
r
eso
u
r
ce
s
h
ar
in
g
p
r
o
ce
s
s
i
n
a
clo
u
d
lan
d
s
ca
p
e.
T
h
e
m
o
d
el
is
b
ased
o
n
th
r
ee
i
m
p
r
ess
io
n
s
:
a.
First i
m
p
r
e
s
s
io
n
s
:
W
h
at
u
s
er
s
ex
p
ec
t f
r
o
m
clo
u
d
r
eso
u
r
ce
s
h
ar
in
g
?
b.
Dee
p
er
im
p
r
es
s
io
n
s
:
Ho
w
ca
n
lib
r
ar
y
p
er
s
o
n
n
el
i
n
ter
ac
t
w
it
h
u
s
er
s
a
n
d
p
r
o
v
id
e
s
er
v
ices?
c.
L
ast
in
g
i
m
p
r
e
s
s
io
n
s
:
Ho
w
ca
n
lib
r
ar
ies d
ev
elo
p
th
e
clo
u
d
co
m
p
u
ti
n
g
s
o
l
u
tio
n
s
?
Fig
u
r
e
3
.
Glo
b
al
C
lo
u
d
C
o
m
p
u
ti
n
g
Mo
d
el
f
o
r
R
e
s
o
u
r
ce
S
h
a
r
in
g
i
n
L
ib
r
ar
ies
L
ib
r
ar
y
is
co
n
s
id
er
ed
as
a
tr
in
it
y
o
f
b
o
o
k
s
,
u
s
er
s
a
n
d
s
taf
f
.
W
h
eth
er
i
n
th
e
ca
s
e
o
f
d
ig
ital
lib
r
ar
y
o
r
clo
u
d
lib
r
ar
y
th
e
s
e
ele
m
e
n
ts
a
r
e
elem
e
n
tal
to
it.
I
n
th
e
clo
u
d
lan
d
s
ca
p
e
lib
r
ar
ies
ca
n
m
a
k
e
th
eir
co
llectio
n
s
,
f
u
n
ctio
n
s
,
s
er
v
ice
s
as
w
e
ll a
s
t
h
eir
s
ta
f
f
a
v
ailab
le
i
n
clo
u
d
.
A
clo
u
d
L
ib
r
ar
y
s
er
v
ice
s
ca
n
b
e
g
r
o
u
p
ed
in
to
t
h
r
ee
ca
teg
o
r
ies:
a)
Do
cu
m
e
n
t
s
as a
Ser
v
ice
(
Daa
S)
I
n
th
i
s
m
o
d
el,
lib
r
ar
y
d
o
cu
m
e
n
ts
ar
e
o
f
f
er
ed
to
th
e
c
u
s
to
m
er
as
a
s
er
v
ice
o
n
d
e
m
a
n
d
o
n
a
P
ay
p
er
u
s
e
b
asi
s
.
User
s
n
ee
d
to
ac
ce
s
s
th
e
lib
r
ar
y
clo
u
d
to
g
et
t
h
e
d
o
cu
m
e
n
t.
b)
R
etr
iev
al
a
s
a
Ser
v
ice
(
R
aa
S)
L
ib
r
ar
ian
s
a
n
d
u
s
er
s
ar
e
n
o
w
co
n
s
ta
n
tl
y
b
ei
n
g
b
o
m
b
ar
d
ed
b
y
p
leth
o
r
a
o
f
i
n
f
o
r
m
atio
n
c
h
o
i
ce
s
.
W
ith
th
e
s
ee
p
ag
e
o
f
i
n
f
o
r
m
atio
n
o
n
th
e
w
eb
p
eo
p
le
ar
e
n
o
w
d
r
o
w
n
in
g
i
n
a
s
ea
o
f
in
f
o
r
m
atio
n
.
F
o
r
th
o
s
e
w
h
o
f
ee
l
a
d
r
if
t,
lib
r
ar
ies
ar
e
d
ev
elo
p
in
g
m
etasear
c
h
en
g
i
n
es,
s
u
b
j
ec
t
g
ate
w
a
y
s
o
r
clo
u
d
r
ep
o
s
ito
r
ies
to
r
etr
iev
e
th
e
au
th
e
n
tic
a
n
d
ac
cu
r
ate
i
n
f
o
r
m
atio
n
.
I
t
w
il
l
b
e
a
v
ailab
l
e
in
t
h
e
clo
u
d
in
d
ep
en
d
e
n
t
o
f
a
n
y
s
o
f
t
w
ar
e
r
eq
u
ir
e
m
en
ts
.
c)
L
ib
r
ar
y
F
u
n
c
tio
n
s
a
s
a
Ser
v
ice
(
L
FaaS)
Her
e,
lib
r
ar
y
f
u
n
ctio
n
s
a
n
d
a
ctiv
itie
s
ar
e
a
v
ailab
le
in
th
e
c
lo
u
d
f
o
r
co
-
o
p
er
ati
v
e,
co
llab
o
r
ativ
e
a
n
d
co
o
r
d
in
ated
e
n
d
ea
v
o
r
a
m
o
n
g
p
ar
ticip
atin
g
l
ib
r
ar
ies
w
it
h
a
c
o
m
m
o
n
o
b
j
ec
tiv
e.
I
t
k
ee
p
s
a
c
h
ec
k
o
n
d
u
p
licatio
n
an
d
th
e
p
r
o
f
es
s
io
n
al
m
an
p
o
w
e
r
is
d
ev
elo
p
ed
m
o
r
e
ef
f
icie
n
tl
y
.
Net
w
o
r
k
co
n
n
ec
ti
v
it
y
i
s
a
p
r
e
-
r
eq
u
is
ite
to
ac
ce
s
s
t
h
e
clo
u
d
s
an
d
co
n
n
ec
t
w
i
th
th
e
lib
r
ar
y
.
T
h
e
ter
m
s
er
v
ices
i
n
C
lo
u
d
co
m
p
u
ti
n
g
i
s
th
e
co
n
ce
p
t
o
f
b
ein
g
ab
le
to
u
s
e
t
h
e
r
eu
s
ab
le,
f
in
e
-
g
r
ain
ed
co
m
p
o
n
e
n
t
s
ac
r
o
s
s
a
v
en
d
o
r
`
s
n
et
w
o
r
k
.
T
h
is
i
s
w
i
d
ely
k
n
o
w
n
as
“
a
s
a
s
er
v
ice”
[
2
1
]
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
2
5
2
-
8776
IJ
-
I
C
T
Vo
l.
4
,
No
.
3
,
Dec
em
b
er
20
1
5
:
9
8
–
1
10
106
T
h
r
ee
r
an
g
es o
f
s
er
v
ices a
r
e
a
v
ailab
le
in
t
h
e
clo
u
d
b
y
t
h
e
cl
o
u
d
p
r
o
v
id
er
s
:
1)
So
f
t
w
ar
e
as a
Ser
v
ice
(
SaaS)
I
n
SaaS
m
o
d
el,
t
h
e
en
d
u
s
er
p
u
r
ch
a
s
es
t
h
e
ab
ilit
y
to
ac
ce
s
s
an
d
u
s
e
a
n
ap
p
licatio
n
o
r
s
er
v
ice
th
at
i
s
h
o
s
ted
i
n
t
h
e
clo
u
d
.
Fo
r
ex
a
m
p
le
e
m
ail
a
n
d
f
e
w
o
t
h
er
s
e
r
v
ices
o
f
f
er
ed
b
y
Go
o
g
le,
Ho
t
m
ail,
Yah
o
o
,
Si
f
y
,
Sk
y
p
e
etc
2)
P
latf
o
r
m
as a
Ser
v
ice
(
P
aa
S)
I
n
P
aa
S
m
o
d
el,
th
e
en
d
u
s
er
p
u
r
ch
ase
s
ac
ce
s
s
to
t
h
e
p
latf
o
r
m
s
,
en
ab
li
n
g
th
e
m
to
d
ep
lo
y
th
eir
o
w
n
s
o
f
t
w
ar
e
an
d
ap
p
licatio
n
s
in
th
e
clo
u
d
.
Op
er
atin
g
s
y
s
te
m
s
a
n
d
n
et
w
o
r
k
ac
ce
s
s
ar
e
n
o
t
m
a
n
ag
ed
b
y
t
h
e
co
n
s
u
m
er
.
Sp
ec
ial
p
latf
o
r
m
o
r
ap
p
licatio
n
in
f
r
a
s
tr
u
c
tu
r
e
i
s
also
b
ei
n
g
p
r
o
v
id
ed
to
t
h
e
clien
t
s
.
Mo
r
eo
v
er
,
clien
t
d
o
es
n
o
t
r
eq
u
ir
e
k
n
o
w
i
n
g
p
r
o
g
r
a
m
m
i
n
g
la
n
g
u
a
g
e,
d
atab
ase
m
a
n
a
g
e
m
en
t
s
y
s
te
m
s
,
etc.
to
r
u
n
ap
p
licatio
n
s
.
W
in
d
o
w
s
A
zu
r
e,
Go
o
g
le
A
p
p
E
n
g
in
e
a
n
d
Fo
r
ce
.
co
m
ar
e
t
h
e
f
i
n
es
t e
x
a
m
p
les
o
f
P
aa
S
3)
I
n
f
r
as
tr
u
ct
u
r
e
as a
Ser
v
ice
(
I
aa
S)
I
n
I
aa
S
m
o
d
el,
co
n
s
u
m
er
s
co
n
tr
o
l
a
n
d
m
an
a
g
e
th
e
s
y
s
te
m
s
i
n
ter
m
s
o
f
t
h
e
o
p
er
atin
g
s
y
s
te
m
s
,
ap
p
licatio
n
s
,
s
to
r
ag
e,
a
n
d
n
e
t
w
o
r
k
co
n
n
ec
ti
v
it
y
,
b
u
t
d
o
n
o
t
th
e
m
s
elv
e
s
co
n
tr
o
l
t
h
e
clo
u
d
in
f
r
astru
c
tu
r
e.
I
n
I
aa
S,
clien
ts
ar
e
b
ei
n
g
o
f
f
er
ed
w
i
th
s
to
r
ag
e,
n
et
w
o
r
k
i
n
g
a
n
d
p
r
o
ce
s
s
in
g
o
f
d
ata.
Am
az
o
n
’
s
E
last
ic
C
o
m
p
u
te
C
lo
u
d
(
E
C
2
)
o
r
Si
m
p
le
Sto
r
ag
e
Ser
v
ice
(
S3
)
,
VM
W
ar
e
v
C
lo
u
d
ar
e
s
o
m
e
o
f
its
e
x
a
m
p
les.
An
y
o
r
g
a
n
izat
io
n
s
ca
n
d
ep
lo
y
ap
p
licatio
n
s
o
n
P
u
b
lic,
P
r
iv
ate,
H
y
b
r
id
an
d
C
o
m
m
u
n
it
y
C
lo
u
d
s
T
h
er
e
ar
e
f
o
u
r
m
ai
n
ca
te
g
o
r
ies
o
f
clo
u
d
co
m
p
u
ti
n
g
[
4
]
:
a.
T
h
e
p
u
b
lic
clo
u
d
–
I
T
r
eso
u
r
ce
s
an
d
s
er
v
ice
s
ar
e
o
w
n
ed
b
y
a
t
h
ir
d
p
ar
t
y
,
lo
ca
ted
o
f
f
-
p
r
e
m
is
e
a
n
d
m
ad
e
av
ailab
le
to
an
y
o
n
e
o
n
a
co
m
m
er
cial
b
asis
a
s
m
eter
ed
s
er
v
i
ce
s
b.
T
h
e
co
m
m
u
n
it
y
clo
u
d
–
I
T
r
eso
u
r
ce
s
a
n
d
s
er
v
ices
ar
e
o
w
n
ed
an
d
o
p
er
ated
o
n
b
eh
al
f
o
f
a
co
m
m
u
n
it
y
o
f
o
r
g
an
izatio
n
s
c.
T
h
e
p
r
iv
ate
clo
u
d
–
I
T
r
eso
u
r
ce
s
an
d
s
er
v
ices
ar
e
o
w
n
ed
/le
ased
b
y
a
s
i
n
g
le
co
m
p
a
n
y
f
o
r
its
o
w
n
u
s
e
o
T
h
e
in
ter
n
al
clo
u
d
–
A
p
r
i
v
ate
clo
u
d
w
h
er
e
all
r
eso
u
r
ce
s
r
e
m
ain
o
n
-
p
r
e
m
i
s
e
d.
T
h
e
h
y
b
r
id
clo
u
d
–
A
co
m
b
in
atio
n
o
f
t
w
o
o
r
m
o
r
e
clo
u
d
m
o
d
els
A
l
ib
r
ar
y
ca
n
o
p
t
f
o
r
a
n
y
f
o
r
t
h
e
m
o
d
els
f
o
r
d
ep
lo
y
in
g
it
s
s
e
r
v
ices
i
n
t
h
e
clo
u
d
.
A
u
s
er
ca
n
co
n
n
ec
t
w
it
h
th
e
in
ter
n
et
a
n
d
t
h
r
o
u
g
h
w
eb
-
b
r
o
w
s
er
ca
n
ac
ce
s
s
t
h
e
l
i
b
r
ar
y
i
n
t
h
e
clo
u
d
.
Fu
r
t
h
er
u
s
e
r
s
an
d
lib
r
ar
y
s
ta
f
f
s
ca
n
in
ter
ac
t
w
i
th
ea
c
h
o
th
er
i
n
clo
u
d
th
r
o
u
g
h
b
lo
g
s
,
s
o
cial
n
e
t
w
o
r
k
in
g
as
w
el
l a
s
e
m
a
il ser
v
ices.
8.
CL
O
UD
R
E
SO
URC
E
SH
A
RIN
G
ADO
P
T
I
O
N
F
RAM
E
WO
RK
T
ec
h
n
o
lo
g
y
m
ea
n
s
d
if
f
er
en
t
t
h
in
g
s
to
p
eo
p
le
at
d
if
f
er
en
t
ti
m
es,
a
n
d
it
ca
n
b
e
d
i
f
f
icu
l
t
t
o
im
a
g
i
n
e
w
h
at
t
h
e
f
u
t
u
r
e
h
a
s
in
s
to
r
e
f
o
r
u
s
an
d
t
h
e
tech
n
o
lo
g
ie
s
t
h
at
w
e
ar
e
cu
r
r
e
n
tl
y
u
s
in
g
i
n
t
h
e
l
ib
r
ar
ies
[
2
8
]
.
A
n
y
o
r
g
an
izatio
n
li
k
e
lib
r
ar
ies
w
h
en
d
ec
id
es
to
m
o
v
e
i
ts
s
er
v
ices
f
r
o
m
g
r
o
u
n
d
to
C
lo
u
d
t
h
er
e
is
n
ee
d
o
f
s
tr
ateg
i
c
p
lan
n
i
n
g
a
n
d
d
ec
is
io
n
ta
k
i
n
g
.
T
o
im
p
l
y
clo
u
d
co
m
p
u
tin
g
in
r
eso
u
r
ce
s
h
ar
in
g
th
er
e
is
n
ee
d
to
f
r
a
m
e
ad
o
p
tio
n
s
tr
ateg
ie
s
an
d
f
r
a
m
e
w
o
r
k
.
A
c
lo
u
d
b
ased
r
eso
u
r
ce
s
h
ar
in
g
a
d
o
p
tio
n
f
r
a
m
e
w
o
r
k
h
as b
ee
n
p
r
esen
ted
b
elo
w
:
Fig
u
r
e
4
.
clo
u
d
r
eso
u
r
ce
s
h
ar
i
n
g
ad
o
p
tio
n
f
r
a
m
e
w
o
r
k
f
o
r
lib
r
ar
ies
T
h
e
clo
u
d
r
eso
u
r
ce
s
h
ar
in
g
ad
o
p
tio
n
f
r
a
m
e
w
o
r
k
i
s
d
i
v
id
ed
in
to
t
w
o
s
ta
g
es:
p
la
n
n
i
n
g
a
n
d
i
m
p
le
m
en
ta
tio
n
.
I
n
p
lan
n
i
n
g
s
tag
e
a
g
r
o
u
p
o
f
p
ar
ticip
atin
g
lib
r
ar
ies
f
o
r
r
eso
u
r
ce
s
h
ar
i
n
g
i
s
f
o
r
m
ed
.
T
h
is
g
r
o
u
p
th
e
n
d
r
af
ts
th
e
o
b
j
ec
tiv
es
an
d
th
e
s
er
v
ice
s
th
at
t
h
e
y
w
a
n
t
to
ac
co
m
p
li
s
h
t
h
r
o
u
g
h
r
eso
u
r
ce
s
h
ar
i
n
g
.
Af
ter
Evaluation Warning : The document was created with Spire.PDF for Python.
IJ
-
I
C
T
I
SS
N:
2252
-
8776
R
eso
u
r
ce
S
h
a
r
in
g
in
Lib
r
a
r
ies
o
n
C
lo
u
d
La
n
d
s
ca
p
e
…
(
Ma
ya
n
k
Yu
va
r
a
j
)
107
p
lan
n
i
n
g
o
f
t
h
e
co
u
r
s
e
o
f
ac
ti
o
n
s
f
o
r
r
eso
u
r
ce
s
h
ar
in
g
w
e
c
o
m
e
to
t
h
e
i
m
p
le
m
e
n
tatio
n
s
ta
g
e.
T
h
e
f
ir
s
t
s
tep
i
n
th
e
i
m
p
le
m
e
n
tatio
n
s
ta
g
e
is
t
o
j
u
d
g
e
th
e
s
u
i
tab
ilit
y
o
f
clo
u
d
tech
n
o
lo
g
y
a
n
d
th
e
lib
r
ar
y
u
s
er
’
s
s
a
ti
s
f
ac
t
io
n
lev
el.
T
h
en
an
est
i
m
a
te
o
f
co
s
t
s
an
d
en
er
g
y
co
n
s
u
m
p
tio
n
in
o
f
f
er
in
g
lib
r
ar
y
s
er
v
ices
in
th
e
clo
u
d
is
f
o
u
n
d
o
u
t.
A
l
s
o
,
th
e
i
m
p
ac
t
o
f
s
h
i
f
ti
n
g
th
e
lib
r
ar
y
s
er
v
ices
i
n
t
h
e
clo
u
d
is
p
r
o
p
er
ly
e
v
alu
a
ted
b
y
t
h
e
p
ar
ticip
ati
n
g
lib
r
ar
ies.
L
as
tl
y
,
a
f
ea
s
ib
ilit
y
s
tu
d
y
o
f
clo
u
d
b
ased
r
eso
u
r
c
e
s
h
ar
i
n
g
is
co
m
p
ar
ati
v
el
y
s
t
u
d
ied
w
ith
o
n
g
o
in
g
lib
r
ar
y
ac
ti
v
it
ies
a
n
d
r
esp
o
n
s
i
b
ilit
ies
i
n
a
b
r
ick
-
an
d
-
m
o
r
tar
b
ased
lib
r
ar
y
.
I
n
ca
s
e
o
f
s
atis
f
ac
tio
n
th
e
r
e
s
o
u
r
ce
s
h
ar
i
n
g
ac
ti
v
itie
s
o
f
lib
r
ar
ies
ar
e
in
itia
ted
in
t
h
e
clo
u
d
o
th
e
r
w
i
s
e
lib
r
ar
ies
a
g
ai
n
f
o
cu
s
o
n
p
lan
n
in
g
s
ta
g
e
a
n
d
r
ed
esig
n
t
h
eir
g
o
al
s
an
d
co
n
ce
r
n
ar
ea
s
.
9.
K
E
Y
CL
O
UD
S
E
RV
I
CE
P
RO
VIDE
RS F
O
R
L
I
B
RARI
E
S
Ov
er
a
p
er
io
d
o
f
tim
e
v
ar
io
u
s
co
m
p
an
ie
s
h
a
v
e
co
m
e
to
lig
h
t
th
at
atte
m
p
t
to
h
ar
n
ess
t
h
e
co
m
p
ete
n
c
ie
s
o
f
clo
u
d
a
n
d
a
p
p
ly
th
e
s
a
m
e
i
n
v
ar
io
u
s
s
er
v
ices
s
ec
to
r
s
.
So
m
e
o
f
t
h
e
d
o
m
in
a
n
t
o
n
es
in
th
e
co
m
p
u
ti
n
g
w
o
r
ld
ar
e
[
2
9
,
3
0
]
:
a.
Go
o
g
le:
Go
o
g
le
i
s
t
h
e
p
io
n
e
er
s
o
f
clo
u
d
la
n
d
s
ca
p
e
w
h
ich
h
as
d
e
v
elo
p
ed
u
s
e
f
u
l
u
tili
t
y
to
o
ls
b
ased
o
n
So
f
t
w
ar
e
as
a
Ser
v
ice
(
SaaS)
an
d
P
latf
o
r
m
as
a
Ser
v
ice
(
P
a
aS)
m
o
d
el
to
b
e
u
s
ed
in
v
ar
io
u
s
en
v
ir
o
n
m
e
n
t
s
.
Var
ied
f
ac
ets o
f
ap
p
licatio
n
s
a
s
ad
-
o
n
n
s
o
r
p
lu
g
-
i
n
n
s
ar
e
o
n
o
f
f
er
t
h
r
o
u
g
h
g
o
o
g
le
w
eb
s
to
r
es.
b.
3
L
ea
f
S
y
s
te
m
:
I
t
is
b
ein
g
c
o
n
s
id
er
ed
as
th
e
n
e
x
t
g
e
n
er
at
io
n
s
er
v
er
s
o
lu
tio
n
s
f
o
r
i
m
p
l
e
m
e
n
tin
g
clo
u
d
co
m
p
u
ti
n
g
.
I
t o
f
f
er
s
a
ter
ab
y
te
o
f
DR
A
M
at
a
n
o
m
i
n
al
co
s
t l
ea
d
in
g
to
a
v
ir
t
u
alize
d
C
P
U
a
n
d
m
e
m
o
r
y
c.
3
P
A
R
:
I
t p
r
o
v
id
es in
f
r
astr
u
ct
u
r
e
f
o
r
s
to
r
ag
e
i
n
th
e
clo
u
d
.
d.
3
T
e
r
a:
I
t
p
r
o
v
id
es
th
e
n
ec
e
s
s
ar
y
p
r
o
v
i
s
io
n
s
f
o
r
d
ep
lo
y
m
en
t
o
f
s
ca
lab
le
cl
u
s
ter
ed
a
p
p
licatio
n
s
f
r
o
m
an
y
w
h
er
e
in
t
h
e
w
o
r
ld
.
I
t
is
s
u
cc
e
s
s
f
u
ll
y
w
o
r
k
i
n
g
in
s
e
v
e
n
co
u
n
tr
ie
s
(
Un
ited
State
s
,
J
a
p
an
,
Sin
g
ap
o
r
e,
A
r
g
en
t
in
a,
U
n
ited
Ki
n
g
d
o
m
,
Neth
er
lan
d
s
an
d
Ser
b
ia)
an
d
f
o
u
r
co
n
t
in
e
n
ts
(
No
r
th
Am
er
ica,
So
u
t
h
Am
er
ica,
A
s
ia
a
n
d
E
u
r
o
p
e)
.
e.
1
0
Gen
:
I
t
is
a
co
m
m
er
cial
en
tit
y
o
f
f
er
i
n
g
in
n
o
v
at
iv
e
p
l
atf
o
r
m
s
f
o
r
d
ata
s
to
r
a
g
e
o
n
w
eb
a
n
d
o
th
er
ap
p
licatio
n
s
f
a
s
t a
n
d
ea
s
y
.
f.
A
d
ap
tiv
i
t
y
:
I
t
o
f
f
er
s
in
te
g
r
a
ted
s
o
lu
tio
n
s
t
h
at
au
to
m
ate
I
T
d
eliv
er
y
o
p
ti
m
izatio
n
ac
r
o
s
s
en
ter
p
r
is
e
co
m
p
u
ti
n
g
e
n
v
ir
o
n
m
e
n
t
s
.
R
ap
id
ad
o
p
tio
n
o
f
clo
u
d
co
m
p
u
ti
n
g
r
en
d
er
s
a
b
r
o
ad
er
p
er
s
p
ec
ti
v
e.
E
m
p
h
a
s
is
i
s
laid
o
n
t
h
e
I
aa
S
t
y
p
e
r
eso
u
r
ce
s
m
an
a
g
ed
e
x
ter
n
al
l
y
f
r
o
m
th
e
en
ter
p
r
is
e
w
h
o
d
eli
v
er
a
n
d
co
n
s
u
m
e
I
T
r
eso
u
r
ce
s
.
g.
Ag
at
h
o
n
g
r
o
u
p
:
I
t
is
a
d
ed
i
ca
ted
g
r
id
co
m
p
u
ti
n
g
en
v
ir
o
n
m
e
n
t
o
f
f
er
in
g
s
ca
lab
il
it
y
a
n
d
a
ch
ar
itab
le
ch
ar
ac
ter
.
h.
Ak
a
m
a
i:
I
t
is
d
ed
icate
d
to
th
e
ca
u
s
e
o
f
b
u
ild
in
g
a
g
lo
b
al
clo
u
d
co
m
p
u
ti
n
g
p
latf
o
r
m
m
a
k
i
n
g
th
e
c
h
er
is
h
e
d
g
o
al
a
r
ea
lit
y
.
T
h
e
clo
u
d
o
p
tim
izatio
n
s
er
v
ice
s
ar
e
n
o
w
a
v
ital
p
ar
t
o
f
th
e
co
m
p
a
n
y
`
s
t
o
tal
o
f
f
er
i
n
g
s
.
I
t
o
f
f
er
s
co
n
ten
t
d
eli
v
er
y
n
et
w
o
r
k
(
C
DN)
ca
ch
e
-
b
ased
tech
n
o
lo
g
ies.
I
t
m
ar
k
s
t
h
e
tr
an
s
i
tio
n
o
f
Ak
a
m
i
f
r
o
m
C
DN
to
f
u
ll
-
f
led
g
ed
clo
u
d
co
m
p
u
ti
n
g
p
la
y
er
.
i.
A
m
az
o
n
E
C
2
:
I
n
tr
o
d
u
ct
io
n
o
f
Am
az
o
n
E
last
ic
C
o
m
p
u
te
C
lo
u
d
(
E
C
2
)
s
in
g
le
-
h
a
n
d
ed
l
y
b
r
o
u
g
h
t
v
ir
tu
a
l
co
m
p
u
ti
n
g
en
v
ir
o
n
m
e
n
t
o
r
cl
o
u
d
co
m
p
u
ti
n
g
to
t
h
e
v
er
y
f
o
r
ef
r
o
n
t
o
f
p
u
b
lic
a
w
ar
en
e
s
s
b
y
u
s
i
n
g
w
eb
s
er
v
ices.
I
t r
u
n
s
o
n
Am
az
o
n
`
s
n
et
w
o
r
k
i
n
f
r
astru
ct
u
r
e
an
d
all
o
w
s
c
u
s
to
m
er
s
to
p
a
y
o
n
l
y
f
o
r
w
h
at
th
e
y
u
s
e.
j.
A
p
p
ir
io
:
I
t
ac
ts
as
ca
ta
l
y
s
t
to
ac
ce
ler
ate
th
e
ad
o
p
tio
n
o
f
o
n
-
d
e
m
a
n
d
clo
u
d
co
m
p
u
ti
n
g
s
o
lu
t
io
n
s
b
y
o
f
f
er
i
n
g
p
r
o
d
u
cts a
n
d
s
er
v
ice
s
.
k.
A
p
p
is
tr
y
:
I
t
o
f
f
er
s
a
g
r
id
-
b
a
s
ed
ap
p
licatio
n
p
latf
o
r
m
t
h
at
m
ak
e
s
it
ea
s
y
to
s
ca
le
-
ou
t
C
P
U
an
d
d
ata
-
in
te
n
s
i
v
e
ap
p
licatio
n
s
ac
r
o
s
s
a
v
ir
tu
al
ized
g
r
id
o
f
co
m
m
o
d
it
y
s
er
v
er
s
.
l.
A
p
ta
n
a:
I
t
h
as
r
elea
s
ed
its
b
eta
v
er
s
io
n
A
p
tan
a
C
lo
u
d
ar
ch
itected
to
co
m
p
le
m
e
n
t
clo
u
d
in
f
r
astru
c
tu
r
e
p
r
o
v
id
er
s
lik
e,
Am
az
o
n
,
Go
o
g
le
an
d
Mic
r
o
s
o
f
t.
m.
A
r
j
u
n
a:
I
t
i
s
p
o
s
itio
n
ed
to
h
e
lp
I
T
to
w
ar
d
s
a
w
o
r
ld
in
w
h
i
ch
in
ter
n
al
I
T
in
f
r
astr
u
ct
u
r
e
ca
n
o
v
er
ti
m
e
b
e
in
cr
ea
s
i
n
g
l
y
s
u
b
s
u
m
ed
in
to
t
h
e
clo
u
d
.
n.
A
s
a
n
k
y
a
:
I
t
s
p
ec
ial
izes
i
ts
el
f
in
th
e
h
i
g
h
s
p
ee
d
d
eli
v
er
y
o
f
I
n
ter
n
et
-
b
ased
ap
p
licatio
n
s
.
I
t
p
r
o
v
id
es
a
n
A
p
p
licatio
n
Del
iv
er
y
Net
w
o
r
k
(
A
D
N)
s
er
v
ice
f
o
r
lead
in
g
SaaS
co
m
p
a
n
ies,
clo
u
d
s
to
r
ag
e
p
r
o
v
id
er
s
,
in
ter
n
a
l e
n
ter
p
r
is
e
clo
u
d
u
s
er
s
an
d
k
e
y
g
o
v
er
n
m
en
t e
n
tit
ies.
o.
A
T
&
T
:
L
au
n
ch
ed
i
n
2
0
0
8
it
o
f
f
er
s
n
ex
t
-
g
e
n
er
atio
n
u
t
ilit
y
co
m
p
u
ti
n
g
s
er
v
ice
w
it
h
m
a
n
a
g
ed
n
et
w
o
r
k
i
n
g
,
s
ec
u
r
it
y
an
d
s
to
r
ag
e.
p.
B
lu
e
w
o
l
f
:
I
t
is
a
lead
in
g
p
r
o
v
id
er
o
f
o
n
-
d
e
m
an
d
s
o
f
t
w
ar
e
d
ep
lo
y
m
e
n
t
s
er
v
ices.
I
t
o
f
f
er
s
r
e
m
o
te
d
atab
ase
m
an
a
g
e
m
e
n
t
an
d
clo
u
d
s
to
r
ag
e
in
f
r
as
tr
u
ct
u
r
e.
I
t
allo
w
s
u
s
er
s
to
ec
o
n
o
m
icall
y
s
to
r
e
a
v
ir
t
u
all
y
u
n
li
m
ited
n
u
m
b
er
o
f
f
iles
o
f
al
l sizes t
h
r
o
u
g
h
th
e
Sales
f
o
r
ce
in
ter
f
ac
e.
q.
B
o
o
m
i:
I
t is a
n
in
teg
r
ated
Saa
S p
latf
o
r
m
t
h
at
d
o
es n
o
t r
eq
u
ir
e
s
o
f
t
w
ar
e
o
r
ap
p
lian
ce
s
.
r.
C
allid
u
s
So
f
t
w
ar
e:
I
t
is
a
s
ca
lab
le,
s
ec
u
r
e,
s
u
b
s
cr
ib
er
-
b
ase
d
m
o
d
el
t
h
at
d
o
es
n
o
t
r
eq
u
ir
e
ad
d
itio
n
al
I
T
r
eso
u
r
ce
s
.
s.
C
is
co
:
T
h
e
y
ar
e
f
ir
m
l
y
in
to
th
e
C
lo
u
d
C
r
o
w
d
w
i
th
t
h
e
ac
q
u
i
s
itio
n
o
f
W
eb
E
x
a
n
d
P
o
s
tP
ath
.
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