WAN
FRAMERELAY
REDES
REDMACROS
DSL
ADSL
HDSL
SATELITAL
CARRIERS
MODEMS
H
C
A
R
R
I
E
R
S
Y
G
D
O
L
O
N
I
C
A
S
B
E
S
L
I
V
T
L
A
O
D
A
S
L
S
K
E
T
R
R
S
P
G
M
N
R
E
L
E
C
E
U
U
A
E
L
O
S
D
A
H
I
W
M
I
D
E
D
E
M
W
A
A
T
U
U
O
I
S
D
B
R
A
L
V
F
I
M
S
E
F
L
U
I
E
L
S
D
A
R
