<s>
Virtual	B-Architecture
Cluster	I-Architecture
Switching	I-Architecture
(	O
VCS	O
)	O
fabric	O
technology	O
is	O
a	O
Layer	B-Protocol
2	I-Protocol
proprietary	O
Ethernet	O
technology	O
from	O
Brocade	O
Communications	O
Systems	O
,	O
later	O
acquired	O
by	O
Extreme	O
Networks	O
.	O
</s>
<s>
Ethernet	O
fabrics	O
encompasses	O
Data	B-Protocol
Center	I-Protocol
Bridging	I-Protocol
(	O
DCB	O
)	O
technologies	O
,	O
IEEE	B-Protocol
802.1aq	I-Protocol
and	O
the	O
emerging	O
IETF	O
standard	O
,	O
Transparent	B-Protocol
Interconnection	I-Protocol
of	I-Protocol
Lots	I-Protocol
of	I-Protocol
Links	I-Protocol
(	O
TRILL	B-Protocol
)	O
,	O
to	O
provide	O
a	O
more	O
efficient	O
way	O
of	O
moving	O
data	O
throughout	O
the	O
network	O
.	O
</s>
<s>
An	O
Ethernet	O
fabric	O
is	O
promoted	O
for	O
Fibre	B-Protocol
Channel	I-Protocol
over	I-Protocol
Ethernet	I-Protocol
(	O
FCoE	B-Protocol
)	O
and	O
iSCSI	B-Protocol
storage	O
traffic	O
.	O
</s>
<s>
To	O
the	O
rest	O
of	O
the	O
network	O
,	O
the	O
fabric	O
looks	O
no	O
different	O
than	O
any	O
other	O
single	O
Layer	B-Protocol
2	I-Protocol
switch	O
.	O
</s>
