<s>
I/O	B-Device
Acceleration	I-Device
Technology	I-Device
(	O
I/OAT	B-Device
)	O
is	O
a	O
DMA	B-General_Concept
engine	I-General_Concept
(	O
an	O
embedded	O
DMA	B-General_Concept
controller	I-General_Concept
)	O
by	O
Intel	O
bundled	O
with	O
high-end	O
server	O
motherboards	B-Device
,	O
that	O
offloads	O
memory	O
copies	O
from	O
the	O
main	B-General_Concept
processor	I-General_Concept
by	O
performing	O
direct	O
memory	O
accesses	O
(	O
DMA	O
)	O
.	O
</s>
<s>
Using	O
I/OAT	B-Device
for	O
network	O
acceleration	O
is	O
supported	O
by	O
Microsoft	B-Application
Windows	I-Application
since	O
the	O
release	O
of	O
Scalable	B-Application
Networking	I-Application
Pack	I-Application
for	O
Windows	B-Application
Server	I-Application
2003	I-Application
SP1	O
.	O
</s>
<s>
It	O
was	O
used	O
by	O
the	O
Linux	B-Operating_System
kernel	I-Operating_System
starting	O
in	O
2006	O
but	O
this	O
feature	O
was	O
subsequently	O
disabled	O
due	O
to	O
an	O
alleged	O
lack	O
of	O
performance	O
benefits	O
while	O
creating	O
a	O
possibility	O
of	O
data	O
corruption	O
.	O
</s>
