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d
m
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m
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m
(
S
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R
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d
w
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t
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HT
T
P
2.
2.
L
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T
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RA
T
UR
E
S
UR
VE
Y
T
hi
s
s
e
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t
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o
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o
f
t
h
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pa
p
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g
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v
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l
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p
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t
ur
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f
th
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wo
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k
do
n
e
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t
h
e
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r
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o
f
d
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s
t
r
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b
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d
de
ni
a
l
o
f
s
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vi
c
e
(
DD
o
S
)
i
n
S
DN
.
I
s
s
ue
s
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de
n
t
i
f
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d
by
ot
h
e
r
r
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s
e
a
r
c
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s
a
l
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g
w
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t
h
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pr
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d
s
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t
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s
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m
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t
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he
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e
,
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c
h
f
o
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m
s
a
b
a
s
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s
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o
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t
h
e
pr
o
p
o
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d
w
o
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k
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n
t
hi
s
pa
pe
r
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A
c
o
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pr
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h
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s
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ve
s
ur
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o
f
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l
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o
f
S
DN
a
n
d
r
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s
e
a
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c
h
a
v
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ue
s
i
s
pr
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s
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n
t
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d
i
n
[
1]
-
[
4]
.
T
h
e
s
e
pa
pe
r
s
a
l
s
o
b
r
i
n
g
f
o
r
t
h
v
a
r
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o
us
i
s
s
u
e
s
f
a
c
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d
by
S
DN
l
i
k
e
s
c
a
l
a
bil
i
t
y
,
p
e
r
f
o
r
m
a
n
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e
,
r
o
bus
t
n
e
s
s
,
d
e
pe
n
da
bil
i
t
y
,
a
n
d
s
e
c
ur
i
t
y
.
S
e
c
ur
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t
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ue
t
h
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v
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t
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pe
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o
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c
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n
d
ga
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ne
d
a
l
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f
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m
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e
a
r
s
.
P
r
a
s
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d
a
n
d
T
hil
a
ga
m
[
5]
pr
e
s
e
n
t
t
h
e
po
i
n
t
s
o
f
v
u
l
ne
r
a
bil
i
t
y
t
o
a
tt
a
c
ks
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n
S
DN
.
T
h
e
y
c
a
t
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gor
i
z
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tt
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k
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a
r
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o
s
i
n
t
o
t
h
r
e
e
c
a
t
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g
o
r
i
e
s
:
c
o
n
t
r
o
l
p
l
a
ne
s
pe
c
if
i
c
,
c
o
n
t
r
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c
h
a
nn
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l
s
p
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c
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f
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c
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n
d
da
t
a
p
l
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n
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s
pe
c
i
f
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c
.
F
R
E
S
C
O
by
[
6]
i
s
a
f
r
a
m
e
wo
r
k
f
o
r
pr
o
vi
d
i
ng
s
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c
ur
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t
y
s
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vi
c
e
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s
m
o
du
l
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s
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T
a
bl
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v
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f
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a
tt
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c
k
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o
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to
Ope
n
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l
o
w
s
w
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t
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h
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n
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h
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da
t
a
p
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T
hi
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t
t
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c
k
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s
m
o
ni
t
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d
a
n
d
mi
t
i
ga
t
e
d
by
[
7]
o
f
f
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s
a
n
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x
t
e
ns
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ve
s
t
ud
y
o
f
Do
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c
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n
d
t
h
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r
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un
t
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r
m
e
a
s
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s
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n
S
DN
.
A
V
A
NT
-
GU
AR
D
pr
o
po
s
e
d
by
[
8]
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s
a
n
o
t
h
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m
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c
h
a
ni
s
m
de
s
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g
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d
to
c
o
un
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r
DoS
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tt
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c
ks
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a
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d
by
s
y
nc
h
r
o
ni
z
e
(
S
YN
)
f
l
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di
n
g.
F
l
o
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dGua
r
d
pr
o
p
o
s
e
d
by
[
9]
i
s
a
f
r
a
m
e
wo
r
k
to
pr
e
v
e
n
t
da
t
a
-
to
-
c
o
n
tr
o
l
p
l
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ne
s
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t
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t
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t
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k
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pr
o
a
c
t
i
v
e
f
l
o
w
r
u
l
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a
n
a
ly
s
e
r
a
n
d
pa
c
ke
t
m
i
gr
a
t
i
o
n
.
[
10]
gi
v
e
s
a
n
e
x
t
e
n
s
i
ve
vi
e
w
o
f
d
if
f
e
r
e
n
t
t
y
pe
s
o
f
DD
o
S
a
tt
a
c
ks
.
D
oS
a
tt
a
c
ks
a
r
e
bi
f
ur
c
a
ted
a
s
v
o
l
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m
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t
r
i
c
a
tt
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c
ks
,
a
ppl
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a
t
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n
l
a
y
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D
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tt
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f
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l
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m
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s
s
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c
o
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tr
o
l
p
r
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(
T
C
P
)
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y
n
f
l
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i
n
g,
p
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g
to
d
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a
th
,
us
e
r
d
a
tag
r
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m
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(
U
D
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l
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,
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p
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(
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M
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l
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,
H
T
T
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f
l
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p
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(
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T
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)
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l
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.
S
l
o
w
D
oS
a
tt
a
c
ks
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t
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l
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z
e
f
e
we
r
r
e
s
ou
r
c
e
s
,
unl
i
ke
f
l
oodi
n
g
a
tt
a
c
ks
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S
o
m
e
H
T
T
P
b
a
s
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d
s
l
o
w
a
tt
a
c
ks
a
r
e
s
l
o
w
H
T
T
P
h
e
a
de
r
(
S
l
o
wl
or
i
s
)
,
s
l
o
w
H
T
T
P
P
O
S
T
a
tt
a
c
k
(
R
UD
Y
)
,
a
n
d
s
l
o
w
r
e
a
d
a
tt
a
c
k
.
S
l
o
w
H
T
T
P
h
e
a
de
r
a
n
d
S
l
o
w
H
T
T
P
P
OS
T
a
r
e
ge
n
e
r
a
te
d
by
too
l
s
c
a
l
l
e
d
S
l
ow
l
or
i
s
a
n
d
R
U
DY
r
e
s
pe
c
t
i
ve
l
y
.
M
e
t
h
o
ds
to
c
o
un
t
e
r
s
l
o
w
a
tt
a
c
ks
a
r
e
pr
o
p
o
s
e
d
by
[
10]
.
S
l
o
w
HT
T
P
h
e
a
de
r
a
tt
a
c
k
s
l
i
ke
S
l
o
w
l
o
r
i
s
,
S
l
o
w
l
o
r
i
s
-
n
g
a
n
d
S
l
o
w
HT
T
P
P
OS
T
a
tt
a
c
ks
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r
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a
na
l
y
z
e
d
a
n
d
de
t
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c
t
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d
b
a
s
e
d
o
n
l
o
n
g
c
o
nne
c
t
i
o
n
s
,
l
o
w
pa
c
ke
t
r
a
t
e
,
pa
c
ke
t
di
s
t
a
nc
e
unif
o
r
m
i
t
y
,
a
c
o
m
bi
na
t
i
o
n
o
f
l
o
w
pa
c
ke
t
r
a
t
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n
d
pa
c
ke
t
di
s
t
a
n
c
e
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ni
f
o
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mi
t
y
,
lo
w
m
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a
n
pa
c
ke
t
r
a
t
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a
n
d
l
o
w
pa
c
ke
t
r
a
t
e
v
a
r
i
a
n
c
e
.
S
l
o
w
t
e
r
n
a
r
y
c
o
n
t
e
n
t
a
ddr
e
s
s
a
bl
e
m
e
m
o
r
y
(
T
C
A
M
)
e
xh
a
us
t
i
o
n
i
n
S
DN
i
s
e
x
p
l
a
i
ne
d
by
[
11]
.
S
l
o
w
a
t
t
a
c
ks
i
ni
t
i
a
t
e
d
by
s
po
o
f
e
d
I
P
s
f
il
l
up
t
h
e
Ope
nF
l
o
w
t
a
bl
e
s
o
f
O
pe
nF
l
o
w
s
w
i
t
c
h
e
s
.
A
c
o
un
t
e
r
m
e
c
h
a
ni
s
m
c
a
ll
e
d
s
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l
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c
t
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v
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d
e
f
e
n
c
e
f
o
r
T
C
A
M
(
S
I
F
T
)
i
s
pr
o
po
s
e
d
to
de
c
i
d
e
w
h
e
t
h
e
r
a
n
e
w
r
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l
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s
h
o
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l
d
b
e
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ns
t
a
ll
e
d
o
r
n
ot
.
H
T
T
P
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RE
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NC
E
S
[
1]
A
.
L
.
V
.
C
a
r
a
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y
,
L
.
I
.
B
.
L
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.
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.
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.
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e
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n
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ki
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in
2013
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E
E
E
SD
N
f
or
F
ut
ur
e
N
e
tw
or
k
s
and Se
r
v
ic
e
s
(
SD
N
4F
N
S)
, 2013: I
E
E
E
, pp. 1
-
7, d
o
i:
10.1109/
S
D
N
4F
N
S
.2013.6702542.
[
2]
N
.
F
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t
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r
,
J
.
R
e
xf
or
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nd
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.
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r
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,
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o
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N
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g
r
a
mm
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bl
e
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ks
,
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C
M
SI
G
C
O
M
M
C
om
put
e
r
C
om
m
uni
c
at
io
n R
e
v
ie
w
,
vo
l.
44, n
o
. 2, pp. 87
-
98, 20
14, do
i:
10.1145/2602204.26
02219
.
[
3]
F
.
H
u,
Q
.
H
a
o
,
a
nd
K
.
B
a
o
,
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A
s
ur
ve
y
o
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s
of
twa
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d
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ne
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k
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:
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e
nt
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ti
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E
E
E
C
om
m
uni
c
at
io
ns
Sur
v
e
y
s
&
T
ut
or
ia
ls
,
v
o
l.
16, n
o
. 4,
pp. 2181
-
2206, 2014, do
i:
10.1109/C
O
M
S
T
.2014.2326417
.
[
4]
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.
A
.
A
.
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-
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ne
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m
uni
c
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tu
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o
l.
16,
n
o
.
3,
pp.
1617
-
1634,
2
014,
do
i:
10.1109/
S
U
R
V
.2014.012214.00180
.
[
5]
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.
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,
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l
o
w
w
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s
:
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/A
C
M
T
r
ans
ac
ti
ons
on N
e
tw
or
k
in
g,
vo
l.
25, n
o
. 6, pp. 3514
-
3530, 2017, d
o
i:
10.110
9/
T
N
E
T
.2017.2748159
.
[
6]
S
.
W
.
S
hi
n,
P
.
P
o
r
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s
,
V
.
Y
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gn
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s
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,
M
.
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.
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u,
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.
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"
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r
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s
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o:
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o
dul
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bl
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s
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r
it
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or
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ks
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n
20t
h
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nnual N
e
tw
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k
&
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is
tr
ib
ut
e
d Sy
s
te
m
Se
c
ur
it
y
Sy
m
po
s
iu
m
, 2013: Nds
s
.
[
7]
T
.
X
u,
D
.
G
a
o
,
P
.
D
o
ng,
C
.
H
.
F
o
h,
a
nd
H
.
Z
ha
ng,
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it
ig
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ti
n
g
th
e
ta
bl
e
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f
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o
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a
tt
a
c
k
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s
of
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-
d
e
f
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d
n
e
tw
o
r
ki
ng,
"
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E
E
E
T
r
ans
ac
ti
ons
on N
e
tw
or
k
and Se
r
v
i
c
e
M
anage
m
e
nt
,
v
o
l.
14, n
o
.
4, pp. 1086
-
1097, 2017, do
i
:
10.1109
/
T
N
S
M
.2017.2758796
.
[
8]
S
.
S
hi
n,
V
.
Y
e
gne
s
w
a
r
a
n,
P
.
P
o
r
r
a
s
,
a
nd
G
.
G
u,
"
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v
a
nt
-
gua
r
d:
S
c
a
la
bl
e
a
nd
v
ig
il
a
nt
s
w
it
c
h
f
l
o
w
ma
na
ge
me
nt
in
s
of
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r
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f
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d
ne
tw
o
r
ks
,
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in
P
r
oc
e
e
di
ngs
o
f
th
e
2013
A
C
M
SI
G
SA
C
c
on
f
e
r
e
nc
e
on
C
om
put
e
r
&
c
om
m
uni
c
at
io
ns
s
e
c
u
r
it
y
,
2013,
pp.
413
-
424,
do
i:
10.1145/2508859.25
16684
.
[
9]
H
.
W
a
ng,
L
.
X
u,
a
nd
G
.
G
u,
"
F
l
oo
dgua
r
d:
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d
o
s
a
tt
a
c
k
pr
e
ve
n
ti
o
n
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x
t
e
ns
i
o
n
in
s
of
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r
e
-
de
f
in
e
d
ne
tw
or
ks
,"
in
2015
45t
h
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n
nual
I
E
E
E
/I
F
I
P
I
nt
e
r
nat
io
nal
C
onf
e
r
e
nc
e
on
D
e
pe
ndable
Sy
s
te
m
s
and
N
e
tw
or
k
s
,
2015:
I
E
E
E
,
pp.
239
-
250,
do
i
:
10.1109/DS
N
.2015.27
.
[
10]
R
.
S
w
a
mi
,
M
.
D
a
v
e
,
a
nd
V
.
R
a
nga
,
"
S
of
twa
r
e
-
d
e
f
in
e
d
n
e
tw
o
r
ki
ng
-
ba
s
e
d
ddo
s
d
e
f
e
ns
e
m
e
c
ha
ni
s
ms
,
"
A
C
M
C
om
put
in
g
Sur
v
e
y
s
(
C
SU
R
)
,
vo
l.
52, n
o
. 2, pp. 1
-
36, 2019, d
o
i:
10.1145/3301614
.
Evaluation Warning : The document was created with Spire.PDF for Python.
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n
do
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i
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n
J
E
l
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c
E
n
g
&
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o
m
p
S
c
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I
S
S
N:
2502
-
4752
A
n
appr
oac
h
f
or
s
low
dis
tr
ibut
e
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de
nial
of
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e
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v
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att
ac
k
de
tec
ti
on
and
…
(
P
r
athi
ma
M
abe
l
J
ohn
)
413
[
11]
T
.
A
.
P
a
s
c
o
a
l,
Y
.
G
.
D
a
nt
a
s
,
I
.
E
.
F
o
ns
e
c
a
,
a
nd
V
.
N
ig
a
m,
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l
o
w
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M
e
x
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o
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tt
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k,
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r
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ti
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onf
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on I
C
T
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te
m
s
Se
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r
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and P
r
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P
r
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ti
on
, 2
017:
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pr
in
g
e
r
, pp. 17
-
31, d
o
i:
10.1007
/9
78
-
3
-
319
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58469
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[
12]
T
.
L
uka
s
e
de
r
,
L
.
M
a
il
e
,
B
.
E
r
b,
a
nd
F
.
K
a
r
g
l,
"
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dn
-
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s
s
is
te
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ne
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r
k
-
ba
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d
mi
t
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l
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s
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tt
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c
ks
,
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I
nt
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r
nat
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nal
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onf
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c
ur
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and
P
r
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ac
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in
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om
m
uni
c
at
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Sy
s
te
m
s
,
2018:
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pr
in
g
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r
,
pp.
102
-
121,
d
o
i:
10.1007/978
-
3
-
030
-
01
7
04
-
0_6
.
[
13]
M
.
B
a
s
ka
r
,
J
.
R
a
mkum
a
r
, C
.
K
a
r
th
ik
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y
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n,
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.
A
nba
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a
s
u,
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.
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l
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nd
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.
A
r
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nt
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our
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H
um
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C
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put
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pp.
1
-
9,
2021,
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i:
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[
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G
.
K
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ur
,
V
. S
a
xe
na
, a
nd J
.
G
upt
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,
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om
put
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r
and I
n
f
or
m
at
io
n Sc
ie
n
c
e
s
,
v
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. 1,
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[
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A
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r
a
s
e
e
d a
nd P
.
S
.
T
hi
la
ga
m,
"
M
ul
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s
y
m
me
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ks
:
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ons
on I
nf
or
m
at
io
n F
or
e
ns
ic
s
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c
ur
it
y
,
v
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l.
15, pp. 1790
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i:
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I
F
S
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N
.
T
r
ip
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i
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nd
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.
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ubba
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om
put
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r
s
&
s
e
c
ur
it
y
,
vo
l.
72,
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i
:
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.
c
o
s
e
.2017.09.009
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[
17]
N
. M
. A
. A
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, S
. F
. F
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. A
. S
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. M
. B
. E
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at
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s
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ou
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nal
,
vo
l.
22,
n
o
.
1,
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90,
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i:
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ij
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[
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A
.
S
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ll
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.
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s
,
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l.
7, pp. 146577
-
146587, 2
019, do
i:
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E
S
S
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[
19]
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.
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om
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s
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o
l.
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i:
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[
20]
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.
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,
v
o
l.
125, pp. 209
-
219,
2019, do
i:
10.1016/j
.
jn
c
a
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[
21]
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.
G
.
-
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ol
. 20, n
o
. 3
, p. 816, 2020, do
i:
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20030816
.
[
22]
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.
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ia
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vo
l.
10, no
. 3, p. 2668, 2020, d
o
i:
10.11591/i
je
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.
v
10i
3.pp2668
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1
.
[
23]
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l.
9, no
. 4, p. 3203, 2019, d
o
i:
10.11591/i
je
c
e
.
v
9i
4.pp3203
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3211
.
[
24]
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l.
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p. 311
-
318, 2019, d
o
i
:
10.11591/i
j
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s
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v
16.i
1.pp311
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25]
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l.
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o
. 1, pp. 256
-
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1.pp256
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