<s>
In	O
computer	B-Architecture
networking	I-Architecture
,	O
a	O
Fibre	B-Architecture
Channel	I-Architecture
frame	I-Architecture
is	O
the	O
frame	B-Protocol
of	O
the	O
Fibre	B-Architecture
Channel	I-Architecture
protocol	O
.	O
</s>
<s>
Data	B-Protocol
frames	I-Protocol
may	O
be	O
used	O
as	O
Link_Data	O
frames	O
and	O
Device_Data	O
frames	O
,	O
link	O
control	O
frames	O
are	O
classified	O
as	O
Acknowledge	O
(	O
ACK	O
)	O
and	O
Link_Response	O
(	O
Busy	O
and	O
Reject	O
)	O
frames	O
.	O
</s>
<s>
It	O
is	O
the	O
FC-2	O
layer	O
's	O
responsibility	O
to	O
break	O
the	O
data	O
to	O
be	O
transmitted	O
into	O
frame	B-Protocol
size	O
,	O
and	O
reassemble	O
the	O
frames	O
.	O
</s>
<s>
Each	O
frame	B-Protocol
begins	O
and	O
ends	O
with	O
a	O
frame	B-Protocol
delimiter	O
.	O
</s>
<s>
The	O
frame	B-Protocol
header	O
immediately	O
follows	O
the	O
Start	O
of	O
Frame	B-Protocol
(	O
SOF	O
)	O
delimiter	O
.	O
</s>
<s>
The	O
frame	B-Protocol
header	O
is	O
used	O
to	O
control	O
link	O
applications	O
,	O
control	O
device	O
protocol	O
transfers	O
,	O
and	O
detect	O
missing	O
or	O
out	O
of	O
order	O
frames	O
.	O
</s>
<s>
The	O
4	O
byte	O
Cyclic	O
Redundancy	O
Check	O
(	O
CRC	O
)	O
precedes	O
the	O
End	O
of	O
Frame	B-Protocol
(	O
EOF	O
)	O
delimiter	O
.	O
</s>
<s>
The	O
maximum	O
total	O
frame	B-Protocol
length	O
is	O
2148	O
bytes	O
.	O
</s>
