<s>
Flowmon	B-Protocol
is	O
a	O
name	O
for	O
monitoring	O
probe	O
which	O
is	O
the	O
result	O
of	O
academic	O
research	O
activity	O
on	O
CESNET	O
and	O
also	O
a	O
name	O
for	O
a	O
commercial	O
product	O
which	O
is	O
marketed	O
by	O
university	O
spin-off	O
company	O
Flowmon	B-Protocol
Networks	B-Architecture
.	O
</s>
<s>
Flowmon	B-Protocol
probe	O
is	O
an	O
appliance	O
for	O
monitoring	O
and	O
reporting	O
information	O
of	O
IP	O
flows	O
in	O
high-speed	O
computer	B-Architecture
networks	I-Architecture
.	O
</s>
<s>
Flowmon	B-Protocol
probe	O
is	O
built	O
upon	O
a	O
pair	O
of	O
programmable	O
network	O
cards	O
,	O
called	O
COMBO	O
,	O
and	O
a	O
host	O
computer	O
with	O
Linux	B-Application
operating	I-Application
system	I-Application
.	O
</s>
<s>
The	O
pair	O
of	O
COMBO	O
cards	O
consists	O
of	O
a	O
main	O
card	O
with	O
PCI	B-Protocol
,	O
PCI-X	O
or	O
PCI-Express	O
connector	O
for	O
a	O
connection	O
to	O
a	O
motherboard	O
of	O
the	O
host	O
computer	O
and	O
of	O
an	O
add-on	O
card	O
with	O
2	O
or	O
4	O
network	O
interfaces	O
.	O
</s>
<s>
Both	O
cards	O
contain	O
programmable	O
chips	O
(	O
FPGAs	B-Architecture
)	O
which	O
are	O
able	O
to	O
process	O
high	O
amount	O
of	O
data	O
at	O
multi-gigabit	O
speed	O
.	O
</s>
<s>
Following	O
the	O
principle	O
of	O
hardware/software	O
codesign	O
,	O
all	O
time-critical	O
tasks	O
are	O
implemented	O
in	O
FPGA	B-Architecture
chips	O
on	O
acceleration	O
cards	O
while	O
more	O
complex	O
operations	O
are	O
carried	O
out	O
by	O
the	O
application	O
software	O
.	O
</s>
<s>
This	O
concept	O
enables	O
monitoring	O
of	O
modern	O
high-speed	O
(	O
1	O
Gbps	O
,	O
10	O
Gbps	O
)	O
networks	B-Architecture
with	O
no	O
packet	O
loss	O
and	O
with	O
no	O
necessity	O
of	O
input	O
sampling	O
.	O
</s>
<s>
Flowmon	B-Protocol
probe	O
is	O
a	O
passive	O
monitoring	O
device	O
,	O
i.e.	O
</s>
<s>
When	O
connected	O
to	O
a	O
network	O
,	O
Flowmon	B-Protocol
probe	O
observes	O
all	O
passing	O
traffic/packets	O
,	O
extracts	O
and	O
aggregates	O
information	O
of	O
IP	O
flows	O
into	O
flow	O
records	O
.	O
</s>
<s>
Flowmon	B-Protocol
probe	O
is	O
able	O
to	O
export	O
aggregated	O
data	O
to	O
external	O
collectors	O
in	O
NetFlow	B-Protocol
(	O
version	O
5	O
and	O
9	O
)	O
and	O
IPFIX	B-Protocol
format	O
.	O
</s>
<s>
Flowmon	B-Protocol
probe	O
is	O
part	O
of	O
GÉANT2	O
Security	O
Toolset	O
,	O
which	O
consists	O
of	O
the	O
NetFlow	B-Protocol
analysis	O
tools	O
NfSen	O
and	O
NfDump	O
and	O
the	O
Flowmon	B-Protocol
appliance	O
.	O
</s>
<s>
Flowmon	B-Protocol
is	O
network	O
traffic	O
monitoring	O
and	O
security	O
solution	O
of	O
Flowmon	B-Protocol
Networks	B-Architecture
company	O
.	O
</s>
<s>
Flowmon	B-Protocol
Networks	B-Architecture
was	O
established	O
in	O
2007	O
as	O
a	O
university	O
spin-off	O
,	O
made	O
a	O
technology	O
transfer	O
from	O
CESNET	O
(	O
Czech	O
NREN	O
)	O
and	O
continue	O
in	O
R&D	O
,	O
finish	O
prototypes	O
and	O
put	O
them	O
on	O
the	O
market	O
.	O
</s>
<s>
Flowmon	B-Protocol
solution	O
was	O
initially	O
based	O
on	O
Flowmon	B-Protocol
probes	O
developed	O
by	O
CESNET	O
.	O
</s>
<s>
Nowadays	O
Flowmon	B-Protocol
is	O
a	O
complete	O
flow	O
monitoring	O
solution	O
which	O
consists	O
of	O
Flowmon	B-Protocol
Probes	O
,	O
Flowmon	B-Protocol
Collectors	O
and	O
additional	O
modules	O
-	O
Flowmon	B-Protocol
ADS	O
,	O
Flowmon	B-Protocol
APM	O
,	O
Flowmon	B-Protocol
DDoS	O
Defender	O
,	O
Flowmon	B-Protocol
Traffic	O
Recorder	O
.	O
</s>
<s>
Flowmon	B-Protocol
Probes	O
provide	O
NetFlow/IPFIX	O
statistics	O
about	O
network	O
traffic	O
and	O
come	O
in	O
standard	O
version	O
suitable	O
for	O
most	O
of	O
standard	O
networks	B-Architecture
(	O
10Mbit/s	O
-	O
10Gbit/s	O
)	O
or	O
hardware-accelerated	O
version	O
based	O
on	O
CESNET	O
's	O
FPGA	B-Architecture
boards	I-Architecture
suitable	O
for	O
high-speed	O
networks	B-Architecture
(	O
10Gbit/s	O
-	O
100Gbit/s	O
)	O
.	O
</s>
<s>
Flowmon	B-Protocol
Collectors	O
are	O
appliances	O
for	O
NetFlow/sFlow/IPFIX/jFlow/NetFlow	O
Lite/Net	O
Stream/cflowd	O
storage	O
and	O
analysis	O
.	O
</s>
<s>
Flowmon	B-Protocol
modules	O
extend	O
the	O
functionality	O
of	O
Flowmon	B-Protocol
Probes	O
or	O
Flowmon	B-Protocol
Collectors	O
which	O
brings	O
additional	O
functionality	O
-	O
e.g.	O
</s>
