<s>
Knowledge-based	B-General_Concept
processors	I-General_Concept
(	O
KBPs	O
)	O
are	O
used	O
for	O
processing	O
packets	O
in	O
computer	B-Architecture
networks	I-Architecture
.	O
</s>
<s>
Knowledge-based	B-General_Concept
processors	I-General_Concept
are	O
designed	O
with	O
the	O
goal	O
of	O
increased	O
performance	O
of	O
the	O
IPv6	B-Protocol
network	O
.	O
</s>
<s>
By	O
contributing	O
to	O
the	O
buildout	O
of	O
the	O
IPv6	B-Protocol
network	O
,	O
KBPs	O
provide	O
the	O
means	O
to	O
an	O
improved	O
and	O
secure	O
networking	O
system	O
.	O
</s>
<s>
Knowledge-based	B-General_Concept
processors	I-General_Concept
contain	O
embedded	O
databases	O
that	O
store	O
information	O
required	O
to	O
process	O
packets	O
that	O
travel	O
through	O
a	O
network	O
at	O
wireline	O
speeds	O
.	O
</s>
<s>
Knowledge	B-General_Concept
based	I-General_Concept
processors	I-General_Concept
are	O
a	O
new	O
addition	O
to	O
intelligent	O
networking	O
that	O
allow	O
these	O
functions	O
to	O
occur	O
at	O
high	O
speeds	O
and	O
at	O
the	O
same	O
time	O
provide	O
for	O
lower	O
power	O
consumption	O
.	O
</s>
<s>
Knowledge-based	B-General_Concept
processors	I-General_Concept
currently	O
target	O
the	O
3rd	O
layer	O
of	O
the	O
7	O
layer	O
OSI	O
model	O
which	O
is	O
devoted	O
to	O
packet	O
processing	O
.	O
</s>
<s>
The	O
advantages	O
that	O
knowledge	B-General_Concept
based	I-General_Concept
processors	I-General_Concept
offer	O
are	O
the	O
ability	O
to	O
execute	O
multiple	O
simultaneous	O
decision	O
making	O
processes	O
for	O
a	O
range	O
of	O
network-aware	O
processing	O
functions	O
.	O
</s>
<s>
These	O
functions	O
improve	O
the	O
performance	O
of	O
advanced	O
Internet	O
applications	O
in	O
IPv6	B-Protocol
networks	O
such	O
as	O
VOD	B-Application
(	O
Video	B-Application
on	I-Application
demand	I-Application
)	O
,	O
VoIP	B-Application
(	O
voice	B-Application
over	I-Application
Internet	I-Application
protocol	I-Application
)	O
,	O
and	O
streaming	O
of	O
video	O
and	O
audio	O
.	O
</s>
<s>
Knowledge-based	B-General_Concept
processors	I-General_Concept
use	O
a	O
variety	O
of	O
techniques	O
to	O
improve	O
network	O
functioning	O
such	O
as	O
parallel	O
processing	O
,	O
deep	O
pipelining	O
and	O
advanced	O
power	O
management	O
techniques	O
.	O
</s>
<s>
The	O
databases	O
in	O
a	O
knowledge-based	B-General_Concept
processor	I-General_Concept
include	O
classification	O
tables	O
,	O
forwarding	O
tables	O
,	O
and	O
exact	O
match	O
tables	O
-	O
all	O
of	O
which	O
are	O
utilized	O
by	O
the	O
CPU	O
and	O
network	B-General_Concept
processors	I-General_Concept
.	O
</s>
<s>
Knowledge	B-General_Concept
based	I-General_Concept
processors	I-General_Concept
mainly	O
process	O
packet	O
headers	O
(	O
20%	O
of	O
the	O
packet	O
approximately	O
)	O
which	O
enables	O
network	O
awareness	O
.	O
</s>
<s>
Content	B-Device
processors	I-Device
,	O
by	O
contrast	O
,	O
allow	O
for	O
packet	O
payload	O
inspection	O
(	O
80%	O
of	O
the	O
packet	O
is	O
data	O
)	O
and	O
therefore	O
must	O
search	O
"	O
deeper	O
"	O
into	O
the	O
packet	O
.	O
</s>
