<s>
NetScout	B-Protocol
Systems	I-Protocol
,	I-Protocol
Inc	I-Protocol
.	I-Protocol
(	O
stylized	O
as	O
NETSCOUT	B-Protocol
)	O
is	O
a	O
provider	O
of	O
application	B-Application
performance	I-Application
management	I-Application
and	O
network	B-General_Concept
performance	I-General_Concept
management	I-General_Concept
products	O
located	O
in	O
Westford	O
,	O
Massachusetts	O
.	O
</s>
<s>
In	O
July	O
2015	O
,	O
NetScout	B-Protocol
acquired	O
the	O
communications	O
business	O
of	O
Danaher	O
Corporation	O
,	O
including	O
Arbor	O
Networks	O
,	O
Fluke	O
Networks	O
,	O
Tektronix	O
Communications	O
and	O
VSS	O
Monitoring	O
.	O
</s>
<s>
NetScout	B-Protocol
has	O
subsidiaries	O
in	O
the	O
Cayman	O
Islands	O
,	O
a	O
tax	O
haven	O
.	O
</s>
<s>
NetScout	B-Protocol
Systems	I-Protocol
was	O
founded	O
by	O
Anil	O
Singhal	O
and	O
Narendra	O
Popat	O
as	O
Frontier	O
Software	O
in	O
1984	O
.	O
</s>
<s>
NetScout	B-Protocol
created	O
the	O
first	O
RMON-based	O
Ethernet	O
Probe	O
in	O
1992	O
.	O
</s>
<s>
In	O
November	O
2007	O
,	O
NetScout	B-Protocol
acquired	O
the	O
Sniffer	B-Protocol
,	O
Infinistream	O
,	O
and	O
Network	O
Intelligence	O
product	O
lines	O
of	O
Network	B-Protocol
General	I-Protocol
.	O
</s>
<s>
NetScout	B-Protocol
merged	O
both	O
product	O
lines	O
to	O
allow	O
their	O
Performance	O
Manager	O
product	O
to	O
use	O
both	O
probes	O
and	O
Infinistream	O
technologies	O
.	O
</s>
<s>
In	O
April	O
2011	O
,	O
NetScout	B-Protocol
acquired	O
voice	O
and	O
video	O
management	O
company	O
,	O
Psytechnics	O
,	O
from	O
Ipswich	O
U.K.	O
</s>
<s>
It	O
then	O
acquired	O
Fox	O
Replay	O
,	O
a	O
privately	O
held	O
Dutch	O
company	O
in	O
2011	O
,	O
and	O
later	O
that	O
year	O
,	O
after	O
many	O
years	O
of	O
partnering	O
and	O
complementing	O
solutions	O
for	O
network	O
switch	O
port	O
aggregation	O
,	O
NetScout	B-Protocol
moved	O
directly	O
into	O
competition	O
with	O
its	O
partners	O
by	O
acquiring	O
privately	O
held	O
Simena	O
Networks	O
.	O
</s>
<s>
In	O
October	O
2014	O
,	O
NetScout	B-Protocol
Systems	I-Protocol
announced	O
it	O
had	O
entered	O
into	O
a	O
definitive	O
agreement	O
to	O
acquire	O
the	O
Communications	O
business	O
of	O
science	O
and	O
technology	O
company	O
Danaher	O
Corporation	O
for	O
about	O
$2.6	O
billion	O
.	O
</s>
<s>
Upon	O
completion	O
of	O
the	O
merger	O
,	O
Danaher	O
's	O
shareholders	O
would	O
own	O
nearly	O
59.5	O
percent	O
of	O
the	O
combined	O
company	O
,	O
and	O
NetScout	B-Protocol
shareholders	O
would	O
own	O
the	O
remaining	O
stake	O
.	O
</s>
<s>
Analyst	O
firm	O
451	O
Research	O
,	O
a	O
technology-industry	O
syndicated	O
research	O
and	O
data	O
firm	O
,	O
predicted	O
in	O
May	O
2015	O
that	O
with	O
the	O
acquisition	O
,	O
NetScout	B-Protocol
will	O
be	O
the	O
largest	O
company	O
in	O
the	O
network	O
visibility	O
management	O
space	O
,	O
with	O
"	O
more	O
than	O
3,000	O
employees	O
and	O
well	O
over	O
$1bn	O
a	O
year	O
in	O
revenue	O
"	O
.	O
</s>
<s>
In	O
July	O
2015	O
,	O
NetScout	B-Protocol
finalized	O
its	O
acquisition	O
of	O
the	O
communications	O
business	O
of	O
Danaher	O
Corporation	O
,	O
including	O
Arbor	O
Networks	O
(	O
security	O
systems	O
)	O
,	O
Fluke	O
Networks	O
(	O
RF	O
and	O
Wi-Fi	O
network	O
troubleshooting	O
and	O
analytics	O
)	O
,	O
Tektronix	O
Communications	O
(	O
traffic	O
inspection	O
,	O
customer	O
experience	O
management	O
and	O
analytics	O
)	O
and	O
VSS	O
Monitoring	O
(	O
network	B-Device
packet	I-Device
brokers	I-Device
)	O
.	O
</s>
<s>
In	O
a	O
prepared	O
statement	O
,	O
the	O
company	O
noted	O
that	O
the	O
acquisition	O
"	O
accelerates	O
NetScout	B-Protocol
's	O
strategic	O
progress	O
by	O
enabling	O
the	O
company	O
to	O
offer	O
 [ ... ] 	O
innovative	O
service	O
assurance	O
and	O
cyber	O
security	O
solutions	O
"	O
and	O
adds	O
new	O
employees	O
to	O
NetScout	B-Protocol
.	O
</s>
<s>
NetScout	B-Protocol
Systems	I-Protocol
acquired	O
Network	B-Protocol
General	I-Protocol
in	O
2007	O
.	O
</s>
<s>
Network	B-Protocol
General	I-Protocol
developed	O
the	O
original	O
network	B-Protocol
packet	I-Protocol
sniffer	I-Protocol
(	O
The	O
Sniffer	B-Protocol
)	O
in	O
1986	O
;	O
it	O
merged	O
with	O
McAfee	O
Associates	O
in	O
1997	O
to	O
form	O
Network	O
Associates	O
.	O
</s>
<s>
In	O
mid-2004	O
,	O
Network	O
Associates	O
sold	O
off	O
the	O
Sniffer	B-Protocol
Technologies	O
business	O
to	O
Silver	O
Lake	O
Partners	O
and	O
Texas	O
Pacific	O
Group	O
for	O
$275	O
million	O
in	O
cash	O
to	O
form	O
Network	B-Protocol
General	I-Protocol
.	O
</s>
<s>
In	O
early	O
2006	O
,	O
Network	B-Protocol
General	I-Protocol
acquired	O
Fidelia	B-Protocol
Technology	I-Protocol
,	O
adding	O
the	O
NetVigil	O
Business	O
Service	O
Monitoring	O
technology	O
to	O
their	O
network	O
and	O
application	O
performance	O
analysis	O
tools	O
.	O
</s>
<s>
In	O
September	O
2007	O
,	O
Network	B-Protocol
General	I-Protocol
agreed	O
to	O
be	O
acquired	O
by	O
NetScout	B-Protocol
Systems	I-Protocol
for	O
$205	O
million	O
.	O
</s>
