<s>
An	O
in-kernel	B-Protocol
web	I-Protocol
server	I-Protocol
is	O
an	O
unlimited	O
HTTP	B-Application
server	I-Application
that	O
runs	O
in	O
kernel	B-Operating_System
space	I-Operating_System
or	O
equivalent	O
.	O
</s>
<s>
a	O
disk	B-Device
)	O
to	O
a	O
destination	O
device	O
(	O
i.e.	O
</s>
<s>
a	O
NIC	B-Protocol
)	O
.	O
</s>
<s>
Proper	O
asynchronous	O
zero-copy	O
interfaces	O
would	O
make	O
this	O
available	O
from	O
user-space	B-Operating_System
.	O
</s>
<s>
Scalability	B-Architecture
:	O
with	O
respect	O
to	O
number	O
of	O
simultaneous	O
clients	B-Protocol
.	O
</s>
<s>
Event	O
notification	O
of	O
comparable	O
scalability	B-Architecture
seems	O
unlikely	O
in	O
user-space	B-Operating_System
.	O
</s>
