TRANSMISION
PROTOCOLO
INTERNET
ROUTERS
CABLE
X
W
C
I
N
T
E
R
N
E
T
S
A
D
V
V
X
V
J
O
P
U
B
A
Z
X
Q
D
A
R
V
S
K
R
O
Z
G
T
I
O
I
E
I
N
I
Q
L
L
A
R
R
O
D
W
L
M
Y
V
L
V
O
A
O
A
X
A
I
B
A
E
O
T
D
C
O
U
N
B
C
X
A
O
A
I
J
A
O
S
T
S
D
S
T
C
S
Z
L
M
A
T
P
E
M
I
S
K
B
A
Q
B
Y
S
O
D
R
I
B
A
S
H
A
A
A
E
U
R
I
S
S
V
A
W
Q
R
E
A
R
X
P
J
P
I
U
X
W
I
Q
R
M
D
Q
U
F
J
O
E
S
A
Y
T
A
J
E
O
J
I
U
N
S
