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.
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873
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ttp
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Archite
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Acc
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J
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6
In
m
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so
ftwa
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tu
re
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icro
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e
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we
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h
o
o
si
n
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th
e
r
ig
h
t
d
e
p
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t
stra
teg
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ru
c
ial.
Cu
rre
n
t
in
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id
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a
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d
e
p
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t
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ra
ti
o
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s.
Th
is
stu
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y
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o
k
s
a
t
t
h
re
e
d
e
p
lo
y
m
e
n
t
a
p
p
ro
a
c
h
e
s:
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u
b
e
r
n
e
tes
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lu
ste
r
,
AWS
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b
d
a
(se
rv
e
r
les
s),
a
n
d
Trad
it
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a
l
Ja
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rk
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u
sin
g
v
irt
u
a
l
m
a
c
h
in
e
s
a
n
d
sim
u
latio
n
s.
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h
e
re
su
lt
s
sh
o
w
th
a
t
th
e
K
3
s
c
lu
ste
r
p
r
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v
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s
h
ig
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th
r
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se
it
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,
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t
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s.
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v
a
M
icr
o
se
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is
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ti
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K
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s
:
Am
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Ku
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Mic
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Ob
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C
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:
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a
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ter
Scie
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in
1.
I
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RO
D
UCT
I
O
N
Mic
r
o
s
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v
ices
an
d
co
n
tain
e
r
izatio
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h
av
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r
ev
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tio
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ize
d
s
o
f
twar
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en
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ap
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s
to
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d
en
tly
d
e
p
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ab
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a
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d
h
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lab
le.
T
h
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tr
an
s
itio
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f
r
o
m
m
o
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lith
ic
s
y
s
tem
s
to
m
icr
o
s
er
v
ices
-
b
as
ed
ar
ch
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r
es
allo
w
o
r
g
an
izatio
n
s
to
in
n
o
v
ate
f
aster
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esp
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k
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W
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ile
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tu
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ies
h
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,
wh
eth
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it
b
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Ku
b
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etes
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s
ter
s
[
1
]
,
[
2
]
,
s
er
v
er
less
p
latf
o
r
m
s
s
u
ch
as
AW
S
L
am
b
d
a
[
3
]
,
[
4
]
,
o
r
tr
ad
itio
n
al
o
n
-
p
r
em
is
e
s
er
v
er
s
[
5
]
,
[
6
]
,
d
ir
ec
t
an
d
c
o
n
tr
o
lled
co
m
p
ar
is
o
n
s
b
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t
h
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v
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n
m
en
ts
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n
d
e
r
id
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tical
wo
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k
lo
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s
r
em
ain
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y
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ited
.
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ch
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ar
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s
ef
u
l
f
o
r
o
r
g
an
izatio
n
s
m
ak
in
g
ar
ch
itectu
r
e
d
ec
is
io
n
s
b
ased
o
n
p
er
f
o
r
m
an
ce
,
co
s
t,
an
d
s
ca
lab
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r
eq
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ir
em
e
n
ts
.
Desp
ite
th
e
m
atu
r
ity
o
f
m
icr
o
s
er
v
ices
tech
n
o
lo
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ies,
d
ec
is
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m
ak
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ar
o
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d
d
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en
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ain
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if
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e
to
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ited
q
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an
titativ
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s
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by
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s
id
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s
.
E
x
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g
r
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ch
h
as
ex
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in
ed
co
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tain
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ized
d
ep
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m
en
ts
[
7
]
–
[
9
]
,
c
h
allen
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s
u
ch
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ld
s
tar
ts
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cy
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its
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less
co
m
p
u
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[
3
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,
[
4
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[
1
0
]
,
[
1
1
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,
an
d
th
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o
p
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atio
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al
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ad
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-
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f
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s
o
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h
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s
tin
g
m
o
d
el
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[
5
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,
[
6
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,
b
u
t
th
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s
tu
d
ies
ty
p
ically
f
o
cu
s
o
n
a
s
in
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en
v
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m
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r
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if
f
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r
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t
ap
p
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s
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o
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wh
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ca
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lead
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tim
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s
.
R
ec
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p
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s
tu
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h
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aly
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wo
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g
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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I
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,
Vo
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1
6
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2
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Ap
r
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20
2
6
:
8
7
3
-
882
874
d
if
f
er
en
ce
s
in
p
er
f
o
r
m
a
n
ce
,
s
ca
lab
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d
co
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t
ch
ar
ac
ter
is
tics
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p
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ch
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itab
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ig
h
ly
wo
r
k
lo
a
d
d
ep
en
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t
[
1
2
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[
1
3
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.
T
h
is
m
o
tiv
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th
e
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esear
ch
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o
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W
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lo
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e
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to
u
s
e,
let
it
b
e
a
K3
s
Ku
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er
n
etes
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s
ter
,
AW
S
L
am
b
d
a
s
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less
f
u
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ctio
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s
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a
tr
ad
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J
av
a
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?
W
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ich
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o
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f
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r
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th
e
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est
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ad
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-
o
f
f
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etwe
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s
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f
o
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m
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ce
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s
ca
lab
ilit
y
,
an
d
r
eso
u
r
ce
e
f
f
icien
cy
f
o
r
m
icr
o
s
er
v
ices
ap
p
licatio
n
s
?
Fu
r
th
er
m
o
r
e,
h
y
b
r
id
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c
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itectu
r
es
th
at
co
m
b
in
e
th
ese
m
o
d
els
with
in
a
s
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m
esh
r
em
ain
u
n
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er
e
x
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lo
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e
d
,
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ep
r
esen
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g
an
ad
d
itio
n
al
g
ap
i
n
th
e
cu
r
r
en
t state
o
f
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t.
T
h
is
p
ap
er
ad
d
r
ess
es
th
ese
g
ap
s
b
y
i)
im
p
lem
en
tin
g
t
h
e
s
am
e
Sp
r
in
g
B
o
o
t
e
-
co
m
m
e
r
ce
ap
p
licatio
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ac
r
o
s
s
th
r
ee
d
ep
lo
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m
e
n
t
p
ar
a
d
ig
m
s
—
K3
s
Ku
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n
etes
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s
ter
,
AW
S
L
am
b
d
a,
an
d
tr
ad
itio
n
al
J
av
a
s
er
v
er
—
to
en
s
u
r
e
a
f
air
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m
p
a
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is
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n
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ii)
co
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ctin
g
co
n
tr
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lled
p
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f
o
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m
an
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test
s
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w
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er
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ate
s
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r
eso
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ce
u
tili
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tio
n
,
an
d
c
o
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t;
iii)
c
o
m
p
ar
in
g
o
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r
r
esu
lts
to
p
r
e
v
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s
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id
en
tif
y
in
g
s
tr
en
g
th
s
,
we
ak
n
ess
es,
an
d
tr
ad
e
-
o
f
f
s
f
o
r
ea
ch
d
ep
lo
y
m
en
t
m
o
d
el
;
a
n
d
iv
)
p
r
o
p
o
s
in
g
th
e
co
n
ce
p
t
o
f
a
h
y
b
r
id
s
er
v
ice
m
esh
ar
ch
itectu
r
e
t
h
at
lev
er
ag
es
th
e
ad
v
a
n
tag
es
o
f
m
u
ltip
le
d
ep
lo
y
m
en
t
ap
p
r
o
ac
h
es
.
Sectio
n
2
o
f
t
h
is
r
esear
ch
r
e
v
iews
r
elate
d
wo
r
k
.
Sectio
n
3
d
escr
ib
es
o
u
r
m
eth
o
d
o
lo
g
y
in
d
etail,
en
ab
lin
g
r
ep
licatio
n
.
Sectio
n
4
p
r
esen
ts
r
esu
lts
in
teg
r
ated
with
d
is
cu
s
s
io
n
an
d
co
m
p
ar
is
o
n
s
to
p
r
io
r
s
tu
d
ies.
Sectio
n
5
co
n
cl
u
d
es with
k
ey
f
in
d
in
g
s
,
im
p
licatio
n
s
,
an
d
f
u
t
u
r
e
r
esear
ch
d
ir
ec
tio
n
s
.
2.
RE
L
AT
E
D
WO
RK
Acc
o
r
d
in
g
to
s
ev
e
r
al
s
tu
d
ies
[
1
]
,
[
2
]
,
s
o
m
e
o
f
th
e
ea
r
lier
in
itiativ
es
th
at
h
av
e
co
n
tr
ib
u
ted
to
th
e
u
n
d
er
s
tan
d
i
n
g
an
d
e
v
o
lu
tio
n
o
f
m
icr
o
s
er
v
ices
an
d
s
er
v
er
less
co
m
p
u
tin
g
a
r
ch
itectu
r
es
in
clu
d
e.
I
t
is
also
wo
r
k
th
at
h
as b
ee
n
ca
r
r
ied
o
u
t in
v
a
r
io
u
s
way
s
to
ad
v
an
ce
s
er
v
er
l
ess
s
y
s
tem
s
.
Ar
ea
s
o
f
in
ter
est
in
clu
d
e
th
e
r
eso
u
r
c
e
o
f
th
e
s
er
v
er
less
s
y
s
tem
,
th
e
p
er
f
o
r
m
an
ce
o
f
th
e
s
er
v
er
less
s
y
s
tem
,
an
d
th
e
co
s
t
o
f
th
e
s
er
v
er
less
s
y
s
tem
,
esp
ec
ially
o
n
Am
az
o
n
AW
S
L
am
b
d
a.
No
tab
ly
,
s
tu
d
ies
ab
o
u
t
em
p
lo
y
in
g
s
er
v
er
less
co
m
p
u
ti
n
g
to
f
ac
ilit
ate
th
e
m
ig
r
atio
n
o
f
d
e
v
elo
p
er
s
’
i
n
tr
icate
ap
p
licatio
n
s
to
th
e
n
a
s
ce
n
t
n
ew
p
ar
ad
ig
m
also
p
r
o
v
id
ed
k
n
o
wled
g
e
r
eg
ar
d
in
g
th
e
p
o
s
s
ib
ilit
y
an
d
ch
allen
g
e
o
f
th
is
ad
m
in
is
tr
ati
v
e
m
o
d
el
o
f
c
o
m
p
u
tatio
n
.
Oth
er
r
elate
d
r
esear
ch
h
as
also
f
o
cu
s
ed
o
n
th
e
in
teg
r
atio
n
o
f
o
th
e
r
s
er
v
er
less
co
m
p
u
tin
g
tech
n
o
lo
g
ies,
s
u
ch
as
th
e
u
s
e
o
f
co
n
tain
er
izatio
n
to
g
eth
e
r
with
Ku
b
er
n
etes,
in
a
d
d
itio
n
to
th
e
s
u
itab
ilit
y
o
f
m
icr
o
s
er
v
ices
as
well
as
h
o
w
t
o
ad
o
p
t,
d
ep
l
o
y
,
an
d
m
an
ag
e
m
icr
o
s
er
v
ices
f
o
r
lar
g
e
-
s
ca
le
ap
p
licatio
n
s
o
n
-
p
r
em
is
es
an
d
clo
u
d
s
o
lu
tio
n
s
s
u
ch
as
Am
az
o
n
web
s
er
v
ices
(
AW
S)
.
R
ec
en
t
p
er
f
o
r
m
a
n
ce
co
m
p
ar
is
o
n
s
tu
d
ies
f
u
r
th
er
e
v
alu
ate
tr
ad
e
-
o
f
f
s
b
etwe
en
m
icr
o
s
er
v
ices
d
ep
lo
y
ed
in
c
o
n
tain
er
s
v
er
s
u
s
s
er
v
er
less
ar
ch
itectu
r
es.
Fan
et
a
l.
[
1
4
]
b
en
ch
m
ar
k
ed
a
clo
u
d
-
n
ativ
e
ap
p
licatio
n
ac
r
o
s
s
b
o
th
a
p
p
r
o
a
ch
es
an
d
r
ev
ea
led
s
ig
n
if
ican
t
v
ar
iatio
n
s
i
n
th
r
o
u
g
h
p
u
t
an
d
ap
p
licatio
n
b
o
o
ts
tr
ap
p
in
g
b
eh
av
io
r
.
Allen
et
a
l.
[
1
5
]
ex
am
i
n
ed
th
e
f
in
a
n
cial
an
d
p
er
f
o
r
m
an
ce
im
p
licatio
n
s
o
f
u
s
in
g
E
C
2
in
s
tan
ce
s
v
er
s
u
s
A
W
S
L
am
b
d
a
f
o
r
m
icr
o
s
er
v
ice
s
an
d
f
o
u
n
d
th
at
s
er
v
er
less
is
n
o
t
alwa
y
s
ch
ea
p
e
r
at
s
ca
le.
I
n
to
tal,
th
ese
in
s
ig
h
ts
an
d
th
e
r
esear
ch
ass
u
r
e
th
e
s
tead
y
d
ev
elo
p
m
en
t
o
f
th
e
co
m
p
u
tin
g
ar
ch
itectu
r
e
s
tr
ateg
y
as
well
a
s
p
r
o
v
id
e
g
u
i
d
an
ce
to
p
r
ac
titi
o
n
er
s
ab
o
u
t
th
e
f
u
tu
r
e
p
atter
n
s
o
f
m
icr
o
s
er
v
i
ce
s
an
d
s
er
v
er
les
s
co
m
p
u
tin
g
.
T
h
ey
s
u
p
p
o
r
t
m
o
n
ito
r
in
g
an
d
p
r
o
v
i
d
e
in
f
o
r
m
atio
n
to
ch
ar
a
cter
ize
th
e
en
d
-
to
-
en
d
life
c
y
c
le
o
f
ap
p
s
th
at
u
s
e
m
icr
o
s
er
v
ices
d
ep
lo
y
ed
an
d
r
u
n
o
n
s
er
v
e
r
less
p
latf
o
r
m
s
.
I
t
also
ex
p
lain
s
h
o
w
th
e
ap
p
licatio
n
s
y
s
tem
s
b
eh
av
e
wh
e
n
th
ey
e
n
co
u
n
ter
a
co
ld
s
tar
t
s
ce
n
ar
io
,
h
o
w
t
h
e
s
lack
s
o
f
th
e
ap
p
licatio
n
v
a
r
y
at
d
if
f
er
en
t
s
tag
es,
an
d
th
e
m
ec
h
an
is
m
o
f
co
n
tain
er
s
ca
lin
g
.
T
h
e
co
n
ce
r
n
o
f
th
e
p
ap
er
is
ce
n
ter
e
d
o
n
th
e
p
r
o
b
lem
s
co
n
ce
r
n
in
g
th
e
cu
r
r
en
t
s
ch
ed
u
ler
s
em
p
lo
y
e
d
b
y
th
e
p
r
o
v
id
e
r
s
o
f
s
er
v
er
less
p
latf
o
r
m
s
f
o
r
a
p
p
licatio
n
s
b
ased
o
n
m
icr
o
s
er
v
ices
[
3
]
,
[
4
]
.
T
h
is
th
en
r
aises
th
e
is
s
u
e
o
f
s
tar
t
-
u
p
tim
es
an
d
th
e
is
s
u
e
o
f
tim
e
f
o
r
r
eso
u
r
ce
f
o
r
m
atio
n
o
n
s
er
v
e
r
less
p
latf
o
r
m
s
.
T
h
e
im
p
ac
t
o
f
c
o
ld
-
s
tar
t
laten
cy
co
n
tin
u
es
to
b
e
a
d
o
m
in
an
t
c
o
n
ce
r
n
in
s
er
v
e
r
less
co
m
p
u
tin
g
,
with
a
s
y
s
tem
atic
tax
o
n
o
m
y
an
d
m
itig
atio
n
an
aly
s
is
p
r
o
v
id
ed
b
y
Go
lec
et
a
l.
[
1
6
]
,
c
o
v
er
in
g
co
m
m
e
r
cial
FaaS
p
latf
o
r
m
s
an
d
c
o
n
tain
er
-
lev
el
o
p
tim
izatio
n
tech
n
i
q
u
es.
T
o
f
ac
ilit
ate
er
r
o
r
h
an
d
lin
g
a
n
d
av
ailab
ilit
y
o
f
f
ast
lo
ca
l
s
er
v
er
less
f
u
n
ctio
n
ex
ec
u
tio
n
o
r
r
e
-
e
x
ec
u
tio
n
,
th
e
au
t
h
o
r
s
r
ec
o
m
m
en
d
th
at
n
o
n
-
v
o
lat
ile
m
em
o
r
y
(
NVM
)
[
1
0
]
,
[
1
7
]
b
e
u
s
ed
as
th
e
p
er
s
is
ten
ce
lay
er
b
ec
au
s
e
o
f
t
h
e
co
n
s
tr
ain
ts
o
f
cu
r
r
en
t
s
er
v
er
less
s
y
s
tem
s
in
m
an
ag
in
g
s
p
ec
ialized
h
a
r
d
wa
r
e
an
d
lo
n
g
-
r
u
n
n
in
g
p
r
o
ce
s
s
e
s
.
I
n
th
e
co
n
tex
t
o
f
s
er
v
e
r
less
co
m
p
u
tin
g
,
th
is
m
eth
o
d
aim
s
at
s
u
p
p
o
r
tin
g
s
p
e
cialize
d
h
ar
d
war
e
an
d
f
u
r
th
e
r
ex
ec
u
tio
n
.
T
h
ey
d
is
cu
s
s
th
e
ch
allen
g
e
o
f
r
a
n
d
o
m
p
lace
m
en
t o
f
s
er
v
er
less
f
u
n
cti
o
n
in
s
tan
ce
s
,
an
d
th
is
lead
s
to
s
u
b
o
p
tim
ized
o
u
tco
m
es.
T
o
ex
p
lo
r
e
s
o
m
e
o
f
th
e
m
o
r
e
n
u
an
ce
d
s
ec
u
r
ity
an
d
p
r
iv
ac
y
is
s
u
es
p
ar
ticu
lar
to
th
e
im
p
lem
en
tatio
n
o
f
Ku
b
er
n
etes
at
th
e
ed
g
e
[
1
8
]
,
[
1
9
]
.
I
t
h
ig
h
lig
h
ts
t
h
e
t
h
r
ea
ts
,
r
ec
o
m
m
en
d
s
th
eir
c
o
u
n
ter
m
ea
s
u
r
es,
a
n
d
d
is
cu
s
s
es
th
e
co
n
s
eq
u
en
ce
s
o
f
im
p
lem
en
tin
g
s
ec
u
r
ity
tech
n
iq
u
es
f
o
r
en
s
u
r
in
g
d
ata
p
r
o
v
id
en
tial
at
th
e
ed
g
e
co
m
p
u
tin
g
co
n
tex
t.
T
o
Sp
r
i
n
g
B
o
o
t
[
5
]
,
[
6
]
,
[
2
0
]
,
a
p
r
o
d
u
ctiv
e
f
r
am
ewo
r
k
f
o
r
b
u
ild
in
g
an
d
r
u
n
n
in
g
m
icr
o
s
er
v
ices
h
as
em
er
g
e
d
.
I
t
ex
p
lain
s
th
e
b
e
n
ef
its
o
f
u
s
in
g
Sp
r
in
g
B
o
o
t
to
im
p
r
o
v
e
ef
f
icien
cy
an
d
m
in
im
ize
ch
allen
g
es with
d
ev
elo
p
in
g
a
p
p
licatio
n
s
th
at
u
tili
ze
m
icr
o
s
er
v
ice
ar
ch
itectu
r
e.
Mic
r
o
s
er
v
ices
o
r
ch
estra
tio
n
h
as
b
ee
n
a
s
ig
n
if
ican
t
f
o
c
u
s
in
r
ec
en
t
r
esear
ch
d
u
e
to
its
p
o
ten
tial
f
o
r
im
p
r
o
v
in
g
th
e
s
ca
lab
ilit
y
an
d
r
esil
ien
ce
o
f
ap
p
licatio
n
s
.
Ma
t
h
ew
et
a
l.
[
2
1
]
p
r
esen
t
a
p
r
ac
tical
ap
p
r
o
ac
h
u
s
in
g
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2088
-
8
7
0
8
A
r
ch
itectu
r
a
l tra
d
e
-
o
ffs
:
co
mp
a
r
a
tive
a
n
a
lysi
s
a
cro
s
s
K
3
s
,
s
erverles
s
,
a
n
d
tr
a
d
itio
n
a
l ser
ve
r
… (
P
r
a
jw
a
l P
.
)
875
AW
S
Step
Fu
n
ctio
n
s
,
h
ig
h
lig
h
tin
g
th
e
ad
v
a
n
tag
es
o
f
th
is
m
eth
o
d
i
n
m
an
a
g
in
g
co
m
p
lex
wo
r
k
f
l
o
ws
in
clo
u
d
en
v
ir
o
n
m
en
ts
.
T
h
eir
s
tu
d
y
d
em
o
n
s
tr
ates
h
o
w
AW
S
Step
Fu
n
ctio
n
s
ca
n
s
tr
ea
m
lin
e
m
icr
o
s
er
v
ices
o
r
ch
estra
tio
n
,
p
r
o
v
i
d
in
g
a
m
o
r
e
ef
f
icien
t
an
d
s
ca
lab
le
s
o
lu
tio
n
co
m
p
ar
ed
t
o
tr
ad
itio
n
al
m
eth
o
d
s
.
T
h
is
ap
p
r
o
ac
h
is
p
ar
ticu
lar
ly
b
en
e
f
icial
f
o
r
ap
p
licatio
n
s
r
eq
u
ir
i
n
g
d
y
n
am
ic
r
eso
u
r
ce
allo
ca
ti
o
n
an
d
r
o
b
u
s
t
er
r
o
r
h
an
d
lin
g
.
B
y
lev
er
ag
i
n
g
th
e
f
ea
tu
r
es
o
f
AW
S
Step
Fu
n
ctio
n
s
,
s
u
ch
as
v
is
u
al
wo
r
k
f
lo
ws
an
d
b
u
ilt
-
in
er
r
o
r
h
an
d
lin
g
,
o
r
g
an
izatio
n
s
ca
n
ac
h
iev
e
h
ig
h
er
e
f
f
icien
cy
an
d
r
e
liab
ilit
y
in
th
eir
m
icr
o
s
er
v
ices
d
ep
lo
y
m
en
ts
.
T
h
e
au
th
o
r
s
p
r
o
v
id
e
a
co
m
p
r
e
h
en
s
iv
e
an
aly
s
is
o
f
th
e
p
er
f
o
r
m
an
ce
b
en
ef
its
,
o
f
f
er
in
g
v
alu
ab
l
e
in
s
ig
h
ts
f
o
r
b
o
th
p
r
ac
titi
o
n
er
s
an
d
r
esear
ch
er
s
i
n
th
e
f
ield
o
f
clo
u
d
co
m
p
u
tin
g
an
d
m
icr
o
s
er
v
ices a
r
ch
itectu
r
e.
R
ec
en
t
wo
r
k
h
as
also
ex
p
l
o
r
ed
h
y
b
r
id
o
r
ch
estra
tio
n
s
tr
ate
g
ies.
T
u
s
a
et
a
l.
[
2
2
]
d
em
o
n
s
tr
ated
th
at
co
m
b
in
in
g
m
icr
o
s
er
v
ices
an
d
s
er
v
er
less
f
u
n
ctio
n
s
f
o
r
ed
g
e
-
d
r
iv
en
an
al
y
tics
ca
n
y
ield
p
er
f
o
r
m
an
ce
ad
v
an
tag
es
d
ep
e
n
d
in
g
o
n
wo
r
k
lo
ad
c
o
m
p
o
s
itio
n
.
Sim
ilar
ly
,
Go
lec
et
a
l.
[
1
6
]
c
o
m
p
ar
ed
c
o
n
tain
er
o
r
ch
estra
tio
n
f
r
am
ew
o
r
k
s
with
s
er
v
er
less
co
m
p
u
tin
g
p
latf
o
r
m
s
an
d
co
n
clu
d
ed
th
at
n
ei
th
er
is
u
n
iv
er
s
ally
s
u
p
er
io
r
,
an
d
o
p
tim
al
p
er
f
o
r
m
an
ce
is
wo
r
k
lo
ad
d
ep
en
d
e
n
t.
T
h
ese
f
in
d
in
g
s
r
ein
f
o
r
ce
th
e
r
elev
an
ce
o
f
ex
am
in
in
g
ar
ch
itectu
r
e
s
elec
tio
n
s
th
r
o
u
g
h
d
ir
ec
t
e
x
p
er
im
e
n
t
atio
n
.
Ad
d
itio
n
al
co
m
p
ar
ativ
e
an
aly
s
es
b
etwe
en
s
er
v
er
less
an
d
co
n
tain
er
ized
a
r
ch
itectu
r
es
h
av
e
b
ee
n
p
r
esen
t
ed
b
y
Sam
s
o
n
an
d
T
im
ileh
in
[
1
2
]
,
wh
o
ev
alu
ate
d
clo
u
d
-
n
ativ
e
d
e
p
lo
y
m
e
n
ts
an
d
r
ep
o
r
ted
th
at
n
eith
e
r
ap
p
r
o
ac
h
co
n
s
is
ten
tly
o
u
tp
er
f
o
r
m
s
th
e
o
th
e
r
,
with
p
er
f
o
r
m
an
ce
an
d
co
s
t e
f
f
icien
cy
s
tr
o
n
g
ly
i
n
f
lu
en
ce
d
b
y
wo
r
k
lo
ad
ch
a
r
ac
ter
is
tics
.
I
t
r
ev
iews
th
e
b
est
p
r
ac
tices
f
o
r
h
o
s
tin
g
ap
p
licatio
n
s
o
n
A
W
S
[
2
3
]
in
d
if
f
er
en
t
d
e
p
lo
y
m
en
t
p
atter
n
s
,
s
u
ch
as
m
o
n
o
lith
ic
an
d
m
icr
o
s
er
v
ices,
as
well
as
h
o
w
p
r
o
p
er
u
tili
za
tio
n
o
f
AW
S
s
er
v
ices’
s
ca
lab
ilit
y
,
r
eliab
ilit
y
,
an
d
co
s
t
ef
f
icien
c
y
ca
n
b
e
ac
h
iev
ed
.
T
h
e
p
r
o
p
o
s
al
o
f
ar
ch
itectu
r
al
p
atter
n
s
an
d
g
u
id
elin
es
f
o
r
ef
f
ec
tiv
e
wo
r
k
with
s
er
v
er
le
s
s
tech
n
o
lo
g
ies
o
n
AW
S.
I
t
in
clu
d
es
f
ac
ets
lik
e
AW
S
L
am
b
d
a,
ap
p
licatio
n
p
r
o
g
r
a
m
m
in
g
in
ter
f
ac
e
(
API
)
g
atew
ay
[
2
4
]
,
a
n
d
o
th
er
s
er
v
e
r
less
s
er
v
ices
to
u
n
d
er
s
tan
d
th
at
th
ey
ca
n
b
e
u
s
ed
f
o
r
h
o
s
tin
g
m
icr
o
s
er
v
ice
o
r
m
o
n
o
lith
ap
p
licatio
n
s
ef
f
ec
tiv
el
y
.
3.
M
E
T
H
O
D
An
e
-
co
m
m
er
ce
ap
p
licatio
n
is
b
u
ilt
in
Sp
r
in
g
B
o
o
t,
wh
ich
is
a
m
icr
o
s
er
v
ices
J
av
a
f
r
am
ew
o
r
k
.
I
n
th
e
ap
p
licatio
n
,
th
er
e
ar
e
s
er
v
ices
s
u
ch
as th
e
p
r
o
d
u
ct
s
er
v
ice,
th
e
o
r
d
er
s
er
v
ice,
an
d
t
h
e
n
o
tific
atio
n
s
er
v
ice.
E
ac
h
s
er
v
ice
h
as
its
o
wn
r
o
les
an
d
task
s
,
f
o
r
i
n
s
tan
ce
,
m
a
n
ag
i
n
g
p
r
o
d
u
cts,
r
ec
eiv
i
n
g
o
r
d
er
s
,
an
d
d
is
tr
ib
u
tin
g
n
o
tific
atio
n
s
.
Fo
r
in
s
tan
ce
,
t
h
e
p
r
o
d
u
ct
s
er
v
ice
en
a
b
les
th
e
cr
ea
tio
n
o
f
p
r
o
d
u
cts,
t
h
e
m
o
d
if
icatio
n
o
f
th
e
attr
ib
u
tes
o
f
th
e
p
r
o
d
u
cts,
th
e
d
eletio
n
o
f
p
r
o
d
u
cts,
an
d
th
e
q
u
er
y
in
g
f
o
r
p
r
o
d
u
cts
with
s
p
ec
if
ic
attr
ib
u
tes.
T
h
e
o
p
er
atio
n
o
f
th
e
e
-
co
m
m
er
ce
API
is
illu
s
tr
ated
in
Fig
u
r
e
1
.
T
h
is
ap
p
r
o
ac
h
to
s
tr
u
ctu
r
i
n
g
th
e
ap
p
licatio
n
f
ac
ilit
ates b
etter
m
o
d
u
lar
ity
,
m
ain
tain
ab
ilit
y
,
s
ca
lab
ilit
y
,
an
d
f
lex
ib
ilit
y
.
Fig
u
r
e
1
.
W
o
r
k
i
n
g
o
f
an
e
-
co
m
m
er
ce
ap
p
licatio
n
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8
7
0
8
I
n
t J E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
1
6
,
No
.
2
,
Ap
r
il
20
2
6
:
8
7
3
-
882
876
Fo
llo
win
g
d
e
v
elo
p
m
e
n
t,
ea
c
h
s
er
v
ice
ca
n
b
e
co
n
tain
er
ized
u
s
in
g
Do
ck
er
.
I
n
c
o
n
tain
er
iz
atio
n
[
1
4
]
,
ea
ch
s
er
v
ice
an
d
its
r
eq
u
ir
em
e
n
ts
ar
e
p
ac
k
ed
with
in
th
eir
o
wn
s
m
all
co
n
tain
er
s
.
T
h
is
p
r
ac
tice
co
n
f
o
r
m
s
to
th
e
m
icr
o
s
er
v
ices
ar
ch
itectu
r
e
[
7
]
,
wh
er
e
s
er
v
ices
ca
n
b
e
d
ep
lo
y
ed
,
s
ca
led
,
an
d
m
an
ag
e
d
in
d
ep
en
d
en
tly
.
I
n
th
e
ca
s
e
o
f
D
o
ck
er
[
1
7
]
,
ea
ch
s
er
v
ice
r
u
n
s
in
its
o
wn
co
n
tain
e
r
;
th
is
way
,
n
o
o
th
er
s
er
v
ices
will
in
ter
f
er
e
with
ea
ch
o
th
er
o
r
th
ei
r
en
v
ir
o
n
m
e
n
t.
T
h
is
m
ak
es
ap
p
licatio
n
d
e
v
elo
p
m
en
t
an
d
d
ep
lo
y
m
en
t
p
r
o
ce
s
s
es
s
ea
m
le
s
s
,
m
ak
in
g
th
e
ap
p
licatio
n
’
s
life
cy
cle
m
o
r
e
e
f
f
icien
t.
T
h
e
API
en
d
p
o
in
ts
’
f
u
n
ctio
n
a
lity
,
co
r
r
ec
tn
ess
,
an
d
h
ea
lth
in
ess
ar
e
p
r
o
p
er
ly
test
ed
an
d
d
e
b
u
g
g
e
d
to
in
p
u
t
th
em
in
to
th
e
s
y
s
tem
.
T
h
is
in
v
o
lv
es
th
e
d
ev
el
o
p
m
en
t
o
f
r
o
b
u
s
t
test
s
u
ites
th
at
p
r
o
v
i
d
e
test
co
v
er
a
g
e
f
o
r
v
ar
io
u
s
u
s
es a
n
d
ca
s
es.
As ap
p
lied
to
s
o
f
twar
e
test
in
g
,
au
to
m
ated
test
in
g
f
r
am
ewo
r
k
s
m
ay
b
e
u
s
ed
to
r
u
n
test
s
in
an
ef
f
ec
tiv
e
an
d
ac
cu
r
ate
m
an
n
er
.
T
h
r
o
u
g
h
an
ex
h
a
u
s
tiv
e
API
,
th
er
e
is
in
cr
ea
s
ed
d
et
ec
tio
n
o
f
p
r
o
s
p
ec
tiv
e
p
r
o
b
lem
s
,
q
u
ir
k
s
,
an
d
d
is
cr
ep
a
n
cies in
th
e
ap
p
licatio
n
,
h
en
ce
m
ak
in
g
t
h
e
API
m
o
r
e
r
eliab
le
an
d
r
o
b
u
s
t.
B
y
d
ep
lo
y
in
g
th
e
m
icr
o
s
er
v
i
ce
s
in
a
s
in
g
le
a
p
p
licatio
n
o
n
a
s
er
v
er
,
th
e
Mo
n
o
lith
ic
ar
ch
itectu
r
e
(
T
r
ad
itio
n
al
J
av
a
s
er
v
e
r
d
e
p
lo
y
m
en
t
)
m
eth
o
d
co
m
b
in
es
th
e
m
icr
o
s
er
v
ices
in
to
a
s
in
g
le
u
n
it.
T
h
is
ap
p
r
o
ac
h
s
im
p
lifie
s
d
ep
lo
y
m
en
t
s
etu
p
d
u
r
in
g
i
n
s
tallatio
n
an
d
co
n
f
i
g
u
r
atio
n
s
in
ce
th
e
ap
p
licatio
n
co
m
p
r
is
es
d
ep
lo
y
e
d
co
m
p
o
n
en
ts
co
n
s
o
lid
ated
in
t
h
e
SC
A
d
ep
lo
y
m
en
t
u
n
it.
H
o
wev
er
,
as
th
e
a
p
p
licatio
n
g
r
o
ws
to
h
av
e
m
o
r
e
s
u
b
s
tan
tial
f
ac
ilit
ies
an
d
f
u
n
c
tio
n
s
,
th
is
ar
ch
itectu
r
e
m
ay
p
r
o
v
e
d
is
ad
v
an
tag
e
o
u
s
as
r
eg
a
r
d
s
s
ca
lab
ilit
y
an
d
m
an
ag
em
en
t
ab
ilit
y
.
L
a
ck
o
f
s
ca
lab
ilit
y
an
d
f
le
x
ib
ilit
y
.
On
-
p
r
em
is
es
s
o
f
twar
e
im
p
lem
en
t
atio
n
s
ar
e
r
i
g
id
d
u
e
to
th
eir
p
ac
k
ag
e
d
-
b
ased
m
o
d
el,
m
ea
n
in
g
th
at
m
o
d
if
icatio
n
s
o
r
u
p
d
ates
to
in
d
i
v
id
u
al
s
er
v
ices
n
ec
ess
itat
e
r
ed
ep
lo
y
m
en
t o
f
th
e
en
tire
ap
p
licatio
n
,
h
en
ce
ca
u
s
in
g
ex
p
ec
ted
d
o
wn
tim
e
o
r
in
e
f
f
icien
cy
.
Ho
wev
er
,
as
p
er
th
e
Ku
b
e
r
n
etes
clu
s
ter
ap
p
r
o
ac
h
[
1
]
,
a
Ku
b
er
n
etes
clu
s
ter
is
cr
ea
ted
b
y
th
e
u
tili
za
tio
n
o
f
f
o
u
r
v
i
r
tu
al
m
a
ch
in
es,
wh
er
e
th
e
m
aster
-
s
lav
e
s
tr
u
ctu
r
e
p
r
ev
ails
.
Ku
b
er
n
et
es
in
clu
d
es
s
ev
er
al
ca
p
ab
ilit
ies
th
at
h
elp
i
n
th
e
au
to
m
atio
n
o
f
d
e
p
lo
y
m
en
t
s
ch
ed
u
lin
g
,
s
ca
lin
g
,
an
d
m
an
a
g
em
e
n
t
o
f
co
n
tain
e
r
ized
ap
p
licatio
n
s
in
th
e
clu
s
ter
[
8
]
.
L
o
ad
b
ala
n
cin
g
,
s
er
v
ice
d
is
co
v
er
y
,
an
d
s
elf
-
h
ea
lin
g
ar
e
th
e
ad
d
ed
f
ea
tu
r
es
th
at
ar
e
u
s
ed
to
m
a
k
e
th
e
m
ic
r
o
s
er
v
ices
m
o
r
e
s
ca
lab
le
an
d
r
esil
ien
t,
alo
n
g
with
th
e
e
n
h
an
ce
m
e
n
t
o
f
th
e
p
er
f
o
r
m
an
ce
o
f
th
e
d
ep
lo
y
e
d
m
icr
o
s
er
v
ices.
Hav
in
g
d
is
tr
ib
u
ted
wo
r
k
l
o
ad
s
o
n
s
ev
e
r
al
n
o
d
es
an
d
co
n
tain
er
s
,
Ku
b
er
n
etes b
r
in
g
s
ef
f
icien
cy
to
wo
r
k
w
h
ile
g
u
ar
a
n
teein
g
th
a
t th
e
ap
p
licatio
n
is
h
ig
h
ly
av
ai
lab
le
[
9
]
.
T
h
e
AW
S
L
am
b
d
a
s
er
v
er
l
ess
co
m
p
u
tin
g
p
latf
o
r
m
[
2
0
]
is
u
s
ed
wh
en
im
p
lem
e
n
tin
g
th
e
m
icr
o
s
er
v
ices,
an
d
th
ey
ar
e
c
r
ea
ted
as
s
ep
ar
ate
f
u
n
ctio
n
s
.
I
n
s
tead
o
f
r
u
n
n
in
g
a
n
d
m
an
a
g
in
g
d
ed
icate
d
o
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-
p
u
r
p
o
s
e
s
er
v
er
s
,
ea
ch
m
icr
o
s
er
v
ice
f
u
n
ctio
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is
in
v
o
k
e
d
as
a
r
esp
o
n
s
e
to
s
p
ec
if
ic
ev
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n
ts
o
r
q
u
e
r
ies.
Sin
ce
AW
S
L
am
b
d
a
p
r
o
v
id
es
co
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u
r
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en
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o
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tio
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s
,
wo
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ad
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ib
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tio
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f
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lf
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th
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o
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tio
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o
f
r
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s
in
a
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-
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m
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n
er
.
I
n
ac
co
r
d
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ce
with
th
is
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er
less
s
tr
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ctu
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p
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ar
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m
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etu
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AW
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b
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au
to
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ated
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r
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m
icr
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v
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.
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th
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ee
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p
r
o
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r
ly
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u
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d
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r
am
,
as
s
h
o
wn
in
Fig
u
r
e
2
.
Fig
u
r
e
2
.
B
lo
ck
d
iag
r
am
o
f
th
e
p
r
o
p
o
s
ed
ar
ch
itectu
r
e
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8
A
r
ch
itectu
r
a
l tra
d
e
-
o
ffs
:
co
mp
a
r
a
tive
a
n
a
lysi
s
a
cro
s
s
K
3
s
,
s
erverles
s
,
a
n
d
tr
a
d
itio
n
a
l ser
ve
r
… (
P
r
a
jw
a
l P
.
)
877
So
m
e
o
th
er
s
er
v
ices
wh
ich
ar
e
p
ar
t
o
f
th
e
ar
ch
itectu
r
e
in
cl
u
d
e
Pro
m
eth
e
u
s
an
d
Gr
af
an
a,
wh
ich
ar
e
u
s
ed
in
m
o
n
ito
r
in
g
th
e
r
eso
u
r
ce
s
an
d
th
e
clu
s
ter
s
p
r
o
m
o
te
d
.
At
th
e
p
r
esen
t
tim
e,
th
e
Pro
m
eth
eu
s
s
y
s
tem
is
ap
p
lied
as
th
e
m
o
n
ito
r
in
g
an
d
aler
tin
g
to
o
lk
it,
wh
ich
is
o
p
e
n
s
o
u
r
ce
,
an
d
Gr
af
an
a
is
u
s
ed
as
th
e
v
is
u
aliza
tio
n
an
d
d
ata
an
aly
s
is
to
o
l.
T
h
is
also
en
co
m
p
ass
es
th
e
m
o
n
ito
r
in
g
,
aler
tin
g
,
o
r
d
iag
n
o
s
in
g
p
r
o
ce
s
s
th
at
o
cc
u
r
s
in
r
ea
l
-
tim
e
as a
n
ass
u
r
an
ce
th
at
co
n
s
is
ten
cy
an
d
r
eliab
ilit
y
o
f
t
h
e
ap
p
licatio
n
a
r
e
m
ain
tain
e
d
.
L
o
ad
test
in
g
is
s
im
p
ly
ca
r
r
ied
o
u
t
to
m
ea
s
u
r
e
its
p
er
f
o
r
m
an
ce
u
n
d
er
th
e
s
tr
u
ctu
r
e
o
f
th
e
th
r
ee
ar
ch
itectu
r
al
p
atter
n
s
an
d
u
n
d
er
v
ar
i
o
u
s
lo
ad
s
.
Scalab
ilit
y
,
ef
f
icien
cy
,
an
d
r
eliab
ilit
y
a
r
e
m
ea
s
u
r
ed
u
s
in
g
p
ar
am
eter
s
in
clu
d
in
g
r
esp
o
n
s
e
tim
es,
th
r
o
u
g
h
p
u
t,
an
d
e
r
r
o
r
s
,
am
o
n
g
o
t
h
er
f
ac
to
r
s
.
L
if
e
-
li
k
e
u
s
ag
e
p
atter
n
s
ar
e
m
o
d
eled
to
p
r
o
v
id
e
an
u
n
d
e
r
s
tan
d
in
g
o
f
h
o
w
t
h
e
s
y
s
tem
b
e
h
av
es
an
d
wh
e
r
e
th
e
wea
k
p
o
in
ts
co
u
ld
b
e
wh
e
n
u
s
ed
o
p
tim
ally
,
s
o
t
h
at
n
ec
ess
ar
y
f
in
e
-
t
u
n
in
g
ca
n
b
e
d
o
n
e
as we
ll a
s
ca
p
ac
ity
p
lan
n
in
g
.
Au
t
o
s
c
ali
n
g
m
ec
h
an
is
m
s
ac
r
o
s
s
v
i
r
t
u
al
iz
ati
o
n
a
n
d
c
o
n
tai
n
er
l
ay
er
s
f
o
r
n
etw
o
r
k
tr
af
f
i
c
a
r
e
w
ith
in
C
PU
an
d
R
AM
u
s
a
g
e
.
T
h
is
g
u
a
r
a
n
tees
th
at
r
es
o
u
r
ce
s
ar
e
all
o
c
at
ed
o
r
r
ea
ll
o
c
ate
d
i
n
a
f
le
x
i
b
l
e
wa
y
t
o
c
r
e
at
e
h
ig
h
u
ti
liz
ati
o
n
an
d
l
o
w
c
o
s
ts
.
Mo
r
eo
v
e
r
,
t
h
e
HT
T
PS
ce
r
ti
f
i
ca
t
e
v
al
id
ati
o
n
is
e
n
f
o
r
ce
d
v
ia
C
A
s
er
v
e
r
c
o
n
f
i
g
u
r
ati
o
n
to
r
a
is
e
s
ec
u
r
it
y
b
y
s
p
ec
if
y
i
n
g
s
e
c
u
r
e
c
o
m
m
u
n
i
ca
ti
o
n
b
e
tw
ee
n
t
h
e
cl
ie
n
ts
an
d
th
e
ap
p
l
ic
ati
o
n
s
e
r
v
e
r
s
.
T
h
is
h
el
p
s
s
e
cu
r
e
k
e
y
d
ata
a
n
d
p
r
e
v
en
t
u
n
a
u
t
h
o
r
i
ze
d
ac
ce
s
s
,
th
er
e
b
y
en
h
a
n
ci
n
g
o
v
e
r
all
s
y
s
te
m
s
ec
u
r
it
y
.
4.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
T
h
e
ev
alu
atio
n
m
etr
ics
p
r
o
v
id
e
co
m
p
r
e
h
en
s
iv
e
in
s
ig
h
t
s
in
to
th
e
p
er
f
o
r
m
an
ce
o
f
d
if
f
er
en
t
ar
ch
itectu
r
es.
L
aten
cy
an
d
r
e
s
p
o
n
s
e
tim
e
m
ea
s
u
r
e
r
esp
o
n
s
iv
en
ess
,
wh
ile
th
r
o
u
g
h
p
u
t
ass
ess
es
th
e
s
y
s
tem
’
s
ca
p
ac
ity
u
n
d
er
v
a
r
y
in
g
lo
ad
s
.
E
r
r
o
r
r
ate
an
d
f
ailu
r
e
r
ec
o
v
er
y
g
a
u
g
e
r
eliab
ilit
y
,
an
d
s
ca
lab
ilit
y
ex
am
in
es
r
eso
u
r
ce
allo
ca
tio
n
e
f
f
icien
c
y
.
R
eso
u
r
ce
u
tili
za
tio
n
a
n
d
o
b
s
er
v
ab
ilit
y
m
etr
ics
o
f
f
er
d
ee
p
er
a
n
aly
s
is
in
to
r
eso
u
r
ce
ef
f
icien
c
y
an
d
m
o
n
ito
r
in
g
ca
p
a
b
ilit
ies.
C
o
m
p
ar
ativ
e
an
aly
s
is
b
etwe
en
h
y
b
r
id
,
s
er
v
er
less
,
an
d
co
n
tain
er
-
b
ased
ap
p
r
o
ac
h
es
h
elp
s
q
u
an
tify
th
e
a
d
v
an
tag
es
o
f
th
e
h
y
b
r
id
s
o
lu
tio
n
,
h
i
g
h
lig
h
tin
g
im
p
r
o
v
em
e
n
ts
in
laten
cy
,
th
r
o
u
g
h
p
u
t,
er
r
o
r
r
a
tes,
an
d
r
eso
u
r
ce
u
tili
za
tio
n
.
T
h
e
K3
s
cl
u
s
te
r
a
r
c
h
i
tec
tu
r
e
o
f
f
er
s
m
o
d
e
r
ate
p
r
ici
n
g
,
r
e
f
l
e
cti
n
g
t
h
e
c
o
s
ts
ass
o
ci
at
ed
w
it
h
m
an
ag
in
g
an
d
m
ai
n
t
ai
n
i
n
g
th
e
c
lu
s
t
e
r
in
f
r
ast
r
u
ct
u
r
e
.
H
o
we
v
e
r
,
t
h
is
a
r
ch
ite
ct
u
r
e
d
em
a
n
d
s
h
i
g
h
ef
f
o
r
ts
d
u
e
to
th
e
co
m
p
le
x
it
ies
in
v
o
l
v
e
d
in
s
et
ti
n
g
u
p
a
n
d
m
an
a
g
i
n
g
t
h
e
cl
u
s
ter
.
O
n
th
e
p
e
r
f
o
r
m
a
n
c
e
f
r
o
n
t
,
t
h
e
K
3
s
cl
u
s
t
e
r
d
e
m
o
n
s
tr
ates
l
o
w
e
r
r
o
r
r
ates
,
h
i
g
h
t
h
r
o
u
g
h
p
u
t
,
an
d
l
o
w
l
ate
n
c
y
,
m
a
k
i
n
g
it
s
u
i
ta
b
l
e
f
o
r
h
i
g
h
-
p
e
r
f
o
r
m
a
n
c
e
ap
p
li
ca
ti
o
n
s
.
H
o
w
ev
er
,
co
s
t o
p
tim
i
za
t
i
o
n
in
t
h
is
a
r
c
h
i
te
ct
u
r
e
i
s
lim
i
te
d
,
r
eq
u
i
r
i
n
g
m
a
n
u
al
in
t
er
v
e
n
t
io
n
t
o
en
s
u
r
e
ef
f
ic
ie
n
t
r
es
o
u
r
c
e
u
t
ili
za
t
io
n
.
P
er
f
o
r
m
a
n
c
e
a
n
al
y
s
is
o
f
t
h
e
K
3
s
cl
u
s
t
er
is
s
h
o
w
n
i
n
F
ig
u
r
e
3
a
n
d
T
a
b
le
1
.
Fig
u
r
e
3
.
An
al
y
zin
g
th
e
p
er
f
o
r
m
an
ce
o
f
K
3
s
clu
s
ter
T
ab
le
1
.
Per
f
o
r
m
an
ce
an
aly
s
is
m
etr
ics
o
f
K3
s
clu
s
ter
A
r
c
h
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t
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e
N
o
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o
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e
q
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P
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I
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8
7
0
8
I
n
t J E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
1
6
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No
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2
,
Ap
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Au
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DATA AV
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AB
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RE
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[
1
5
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C
.
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.
Li
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A
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Evaluation Warning : The document was created with Spire.PDF for Python.