<s>
Out-of-band	B-General_Concept
control	I-General_Concept
is	O
a	O
characteristic	O
of	O
network	O
protocols	O
with	O
which	O
data	O
control	O
is	O
regulated	O
.	O
</s>
<s>
Out-of-band	B-General_Concept
control	I-General_Concept
passes	O
control	O
data	O
on	O
a	O
separate	O
connection	O
from	O
main	O
data	O
.	O
</s>
<s>
Protocols	O
such	O
as	O
FTP	B-Protocol
use	O
out-of-band	B-General_Concept
control	I-General_Concept
.	O
</s>
<s>
FTP	B-Protocol
sends	O
its	O
control	O
information	O
,	O
which	O
includes	O
user	O
identification	O
,	O
password	O
,	O
and	O
put/get	O
commands	O
,	O
on	O
one	O
connection	O
,	O
and	O
sends	O
data	O
files	O
on	O
a	O
separate	O
parallel	O
connection	O
.	O
</s>
<s>
Because	O
it	O
uses	O
a	O
separate	O
connection	O
for	O
the	O
control	O
information	O
,	O
FTP	B-Protocol
uses	O
out-of-band	B-General_Concept
control	I-General_Concept
.	O
</s>
