<s>
It	O
specialised	O
in	O
distributed	O
service-oriented	O
architecture	O
(	O
SOA	O
)	O
technology	O
,	O
its	O
products	O
connecting	O
systems	O
and	O
applications	O
by	O
creating	O
a	O
network	O
of	O
services	O
without	O
requiring	O
a	O
centralised	O
server	O
or	O
creating	O
an	O
information	B-General_Concept
technology	I-General_Concept
project	O
.	O
</s>
<s>
Horn	O
was	O
the	O
first	O
CEO	O
and	O
later	O
also	O
lead	O
architect	O
and	O
developer	O
for	O
the	O
Orbix	B-Protocol
product	O
,	O
launched	O
in	O
1992	O
.	O
</s>
<s>
On	O
24	O
December	O
2012	O
Progress	O
Software	O
sold	O
the	O
IONA-related	O
Orbix	B-Protocol
,	O
Orbacus	O
and	O
Artix	O
software	B-Application
product	I-Application
lines	O
to	O
Micro	O
Focus	O
International	O
plc	O
for	O
$15	O
million	O
.	O
</s>
<s>
The	O
open-source	B-Application
group	O
was	O
later	O
spun	O
out	O
into	O
its	O
own	O
entity	O
,	O
FuseSource	B-Application
Corp	I-Application
,	O
which	O
was	O
acquired	O
by	O
Red	O
Hat	O
in	O
2012	O
.	O
</s>
<s>
This	O
group	O
consisted	O
of	O
individuals	O
and	O
technologies	O
involved	O
in	O
the	O
various	O
open-source	B-Application
projects	O
and	O
communities	O
,	O
including	O
those	O
that	O
joined	O
as	O
part	O
of	O
the	O
acquisition	O
of	O
LogicBlaze	O
.	O
</s>
<s>
IONA	O
employed	O
the	O
Web	O
service	O
,	O
Java	B-Language
,	O
TMF	O
and	O
Common	B-Architecture
Object	I-Architecture
Request	I-Architecture
Broker	I-Architecture
Architecture	I-Architecture
(	O
CORBA	B-Architecture
)	O
families	O
of	O
standards	O
in	O
their	O
products	O
,	O
and	O
was	O
involved	O
in	O
the	O
following	O
standards	O
bodies	O
:	O
</s>
<s>
IONA	O
promoted	O
both	O
open-source	B-Application
and	O
commercially	O
licensed	O
software	O
,	O
participated	O
in	O
several	O
open	O
source	O
initiatives	O
,	O
and	O
acquired	O
LogicBlaze	O
.	O
</s>
<s>
IONA	O
was	O
involved	O
in	O
the	O
following	O
open-source	B-Application
projects	O
,	O
and	O
offered	O
enterprise	O
versions	O
of	O
the	O
projects	O
that	O
are	O
tested	O
,	O
certified	O
and	O
supported	O
.	O
</s>
<s>
IONA	O
's	O
initial	O
integration	O
products	O
were	O
built	O
using	O
the	O
CORBA	B-Architecture
standard	O
,	O
and	O
later	O
products	O
were	O
built	O
using	O
Web	O
services	O
standards	O
.	O
</s>
