<s>
The	O
TANGO	B-Operating_System
control	O
system	O
is	O
a	O
free	O
open	O
source	O
device-oriented	O
controls	O
toolkit	O
for	O
controlling	O
any	O
kind	O
of	O
hardware	O
or	O
software	O
and	O
building	O
SCADA	O
systems	O
.	O
</s>
<s>
TANGO	B-Operating_System
is	O
a	O
distributed	O
control	O
system	O
.	O
</s>
<s>
TANGO	B-Operating_System
uses	O
two	O
network	O
protocols	O
-	O
the	O
omniorb	O
implementation	O
of	O
CORBA	B-Architecture
and	O
Zeromq	B-Operating_System
.	O
</s>
<s>
CORBA	B-Architecture
is	O
used	O
for	O
synchronous	O
and	O
asynchronous	O
communication	O
and	O
Zeromq	B-Operating_System
is	O
used	O
for	O
event-driven	O
communication	O
(	O
since	O
version	O
8	O
of	O
TANGO	B-Operating_System
)	O
.	O
</s>
<s>
TANGO	B-Operating_System
is	O
based	O
on	O
the	O
concept	O
of	O
Devices	O
.	O
</s>
<s>
Devices	O
implement	O
object	B-Language
oriented	I-Language
and	O
service	O
oriented	O
approaches	O
to	O
software	O
architecture	O
.	O
</s>
<s>
The	O
Device	O
model	O
in	O
TANGO	B-Operating_System
implements	O
commands/methods	O
,	O
attributes	O
/	O
data	O
fields	O
and	O
properties	O
for	O
configuring	O
Devices	O
.	O
</s>
<s>
In	O
TANGO	B-Operating_System
all	O
control	O
objects	O
are	O
Devices	O
.	O
</s>
<s>
TANGO	B-Operating_System
is	O
a	O
software	O
for	O
building	O
control	O
systems	O
which	O
need	O
to	O
provide	O
network	O
access	O
to	O
hardware	O
.	O
</s>
<s>
Clients	O
"	O
import	O
"	O
the	O
Devices	O
via	O
a	O
database	O
and	O
send	O
requests	O
to	O
the	O
devices	O
using	O
TANGO	B-Operating_System
.	O
</s>
<s>
Devices	O
can	O
store	O
configuration	O
and	O
setup	O
values	O
in	O
a	O
Mysql	B-Application
database	O
permanently	O
.	O
</s>
<s>
TANGO	B-Operating_System
manages	O
complexity	O
using	O
hierarchies	O
.	O
</s>
<s>
TANGO	B-Operating_System
supports	O
bindings	O
to	O
the	O
following	O
languages	O
:	O
</s>
<s>
TANGO	B-Operating_System
is	O
distributed	O
under	O
2	O
licenses	O
.	O
</s>
<s>
The	O
libraries	O
are	O
licensed	O
under	O
the	O
GNU	B-Application
Lesser	I-Application
General	I-Application
Public	I-Application
License	I-Application
(	O
LGPLv3	B-Application
)	O
.	O
</s>
<s>
Tools	O
and	O
device	O
servers	O
are	O
(	O
unless	O
otherwise	O
stated	O
)	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
(	O
GPLv3	B-License
)	O
.	O
</s>
<s>
The	O
LGPL	B-Application
licence	O
allows	O
the	O
TANGO	B-Operating_System
libraries	O
in	O
products	O
which	O
are	O
not	O
GNU	B-License
GPL	I-License
.	O
</s>
<s>
Some	O
of	O
the	O
projects	O
using	O
TANGO	B-Operating_System
(	O
in	O
addition	O
to	O
the	O
consortium	O
)	O
:	O
</s>
<s>
The	O
consortium	O
is	O
a	O
group	O
of	O
institutes	O
who	O
are	O
actively	O
developing	O
TANGO	B-Operating_System
.	O
</s>
<s>
To	O
join	O
the	O
consortium	O
an	O
institute	O
has	O
to	O
sign	O
the	O
and	O
actively	O
commit	O
resources	O
to	O
the	O
development	O
of	O
TANGO	B-Operating_System
.	O
</s>
<s>
The	O
goal	O
of	O
the	O
consortium	O
is	O
to	O
guarantee	O
the	O
development	O
of	O
TANGO	B-Operating_System
.	O
</s>
