<s>
Zabbix	B-Protocol
is	O
an	O
open-source	B-Application
software	I-Application
tool	O
to	O
monitor	O
IT	O
infrastructure	O
such	O
as	O
networks	B-Architecture
,	O
servers	B-Application
,	O
virtual	B-Architecture
machines	I-Architecture
,	O
and	O
cloud	B-Architecture
services	I-Architecture
.	O
</s>
<s>
Zabbix	B-Protocol
collects	O
and	O
displays	O
basic	O
metrics	O
.	O
</s>
<s>
Zabbix	B-Protocol
is	O
designed	O
primarily	O
as	O
an	O
IT	O
infrastructure	O
monitoring	O
tool	O
.	O
</s>
<s>
Released	O
under	O
the	O
terms	O
of	O
GNU	O
General	O
Public	O
License	O
version	O
2	O
,	O
Zabbix	B-Protocol
is	O
free	B-Application
software	I-Application
that	O
does	O
not	O
require	O
an	O
additional	O
license	O
to	O
use	O
any	O
of	O
its	O
features	O
.	O
</s>
<s>
Even	O
though	O
Zabbix	B-Protocol
is	O
open-source	B-Application
software	I-Application
,	O
it	O
is	O
a	O
closed	O
development	O
software	O
product	O
,	O
developed	O
by	O
Zabbix	B-Protocol
LLC	O
based	O
in	O
Riga	O
,	O
Latvia	O
.	O
</s>
<s>
Early	O
in	O
its	O
history	O
,	O
Zabbix	B-Protocol
was	O
described	O
as	O
simple	O
to	O
set	O
up	O
compared	O
to	O
other	O
monitoring	O
solutions	O
.	O
</s>
<s>
As	O
an	O
open-source	B-Application
product	O
however	O
Zabbix	B-Protocol
focusses	O
on	O
the	O
usage	O
of	O
existing	O
tools	O
and	O
functionality	O
as	O
well	O
as	O
proprietary	O
solutions	O
to	O
achieve	O
a	O
scalable	O
monitoring	O
solution	O
.	O
</s>
<s>
Since	O
the	O
first	O
stable	O
version	O
was	O
released	O
as	O
1.0	O
,	O
Zabbix	B-Protocol
versioning	O
has	O
used	O
minor	O
version	O
numbers	O
to	O
denote	O
major	O
releases	O
.	O
</s>
<s>
Zabbix	B-Protocol
version	O
numbering	O
scheme	O
has	O
changed	O
over	O
time	O
.	O
</s>
