<s>
Connection-Oriented	B-Protocol
Network	I-Protocol
Service	I-Protocol
(	O
CONS	B-Protocol
)	O
is	O
one	O
of	O
the	O
two	O
Open	O
Systems	O
Interconnection	O
(	O
OSI	O
)	O
network	B-Application
layer	I-Application
protocols	O
,	O
the	O
other	O
being	O
Connectionless-mode	B-Protocol
Network	I-Protocol
Service	I-Protocol
(	O
CLNS	B-Protocol
)	O
.	O
</s>
<s>
It	O
is	O
basically	O
X.25	B-Protocol
,	O
with	O
a	O
few	O
adjustments	O
.	O
</s>
<s>
Some	O
protocols	O
that	O
provide	O
the	O
CONS	B-Protocol
service	O
:	O
</s>
<s>
X.25	B-Protocol
,	O
as	O
specified	O
in	O
is	O
a	O
Public	O
Data	O
Network	O
protocol	O
that	O
provides	O
the	O
Connection	O
Oriented	O
Network	O
Service	O
as	O
described	O
in	O
.	O
</s>
