<s>
In	O
computer	B-Architecture
networks	I-Architecture
and	O
telecommunications	O
,	O
a	O
dedicated	B-Protocol
line	I-Protocol
is	O
a	O
communications	O
cable	O
or	O
other	O
facility	O
dedicated	O
to	O
a	O
specific	O
application	O
,	O
in	O
contrast	O
with	O
a	O
shared	B-General_Concept
resource	I-General_Concept
such	O
as	O
the	O
telephone	O
network	O
or	O
the	O
Internet	O
.	O
</s>
<s>
As	O
more	O
general-purpose	O
systems	O
have	O
improved	O
,	O
dedicated	B-Protocol
lines	I-Protocol
have	O
been	O
steadily	O
replaced	O
by	O
intranets	B-General_Concept
and	O
the	O
public	O
Internet	O
,	O
but	O
they	O
are	O
still	O
useful	O
for	O
time-critical	B-General_Concept
,	O
high-bandwidth	O
applications	O
such	O
as	O
video	O
transmission	O
.	O
</s>
