<s>
usNIC	B-Protocol
(	O
user-space	O
NIC	B-Protocol
)	O
is	O
Cisco	O
's	O
low-latency	O
computer	B-Architecture
networking	I-Architecture
product	O
for	O
MPI	B-Application
over	O
10	O
Gigabit	O
Ethernet	O
in	O
high-performance	B-Architecture
computing	I-Architecture
.	O
</s>
<s>
It	O
operates	O
at	O
the	O
OSI	O
model	O
's	O
data	B-Protocol
link	I-Protocol
layer	I-Protocol
(	O
Ethernet	B-Protocol
frames	I-Protocol
)	O
or	O
the	O
network	B-Application
layer	I-Application
(	O
UDP	B-Protocol
packets	I-Protocol
)	O
to	O
eliminate	O
the	O
overhead	O
of	O
TCP	B-Protocol
within	O
a	O
data	B-Operating_System
center	I-Operating_System
.	O
</s>
<s>
usNIC	B-Protocol
is	O
shipped	O
as	O
firmware	B-Application
(	O
with	O
associated	O
device	B-Application
drivers	I-Application
)	O
for	O
Cisco	O
's	O
"	O
VIC	O
"	O
(	O
virtual	O
interface	O
card	O
)	O
series	O
of	O
converged	B-Protocol
network	I-Protocol
adapters	I-Protocol
,	O
and	O
support	O
has	O
been	O
contributed	O
to	O
Open	B-Library
MPI	I-Library
.	O
</s>
