<s>
OpenESB	B-Language
is	O
a	O
Java-based	O
open-source	B-Application
enterprise	B-Application
service	I-Application
bus	I-Application
.	O
</s>
<s>
OpenESB	B-Language
allows	O
developers	O
to	O
integrate	O
legacy	O
systems	O
,	O
external	O
and	O
internal	O
partners	O
and	O
new	O
development	O
in	O
business	O
processes	O
.	O
</s>
<s>
It	O
supports	O
a	O
multitude	O
of	O
integration	O
technologies	O
including	O
standard	O
JBI	O
(	O
Java	B-Language
Business	I-Language
Integration	I-Language
)	O
,	O
XML	B-Protocol
with	O
support	O
for	O
XML	B-Protocol
Schemas	O
,	O
WSDL	O
,	O
and	O
BPEL	O
with	O
the	O
aim	O
of	O
simplicity	O
,	O
efficiency	O
,	O
long-term	O
durability	O
,	O
and	O
low	O
TCO	O
(	O
Total	O
Cost	O
of	O
Ownership	O
)	O
.	O
</s>
<s>
It	O
used	O
to	O
be	O
owned	O
by	O
Sun	O
Microsystems	O
,	O
but	O
after	O
Oracle	B-Application
and	O
Sun	O
Microsystems	O
merged	O
(	O
see	O
:	O
Sun	O
acquisition	O
by	O
Oracle	B-Application
)	O
,	O
the	O
was	O
created	O
to	O
maintain	O
,	O
improve	O
,	O
promote	O
and	O
support	O
OpenESB	B-Language
.	O
</s>
<s>
OpenESB	B-Language
consists	O
of	O
5	O
parts	O
:	O
the	O
framework	O
,	O
the	O
container	O
,	O
the	O
components	O
,	O
the	O
Integrated	O
Development	O
Environment	O
and	O
the	O
development	O
plugins	O
.	O
</s>
<s>
The	O
framework	O
consists	O
of	O
a	O
lightweight	O
JBI	O
implementation	O
in	O
Java	B-Language
.	O
</s>
<s>
Even	O
if	O
development	O
and	O
support	O
are	O
mainly	O
focused	O
on	O
Glassfish	O
V2	O
and	O
V3	O
platforms	O
,	O
beta	O
projects	O
on	O
JBoss	O
and	O
standalone	O
JVM	B-Language
work	O
well	O
and	O
are	O
in	O
progress	O
(	O
2012	O
Q2	O
)	O
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
OpenESB	B-Language
framework	O
being	O
lightweight	O
,	O
it	O
is	O
also	O
reliable	O
and	O
highly	O
scalable	O
.	O
</s>
<s>
It	O
is	O
embedded	O
in	O
a	O
Java	B-Language
virtual	I-Language
machine	I-Language
and	O
communicates	O
with	O
other	O
framework	O
instances	O
through	O
Binding	O
components	O
.	O
</s>
<s>
OpenESB	B-Language
includes	O
many	O
Components	O
'	O
out	O
of	O
the	O
box	O
 '	O
.	O
</s>
<s>
OpenESB	B-Language
offers	O
a	O
set	O
of	O
graphical	O
tools	O
to	O
ease	O
complex	O
SOA	O
and	O
integration	O
developments	O
.	O
</s>
<s>
Powerful	O
XLM	O
,	O
XML	B-Protocol
Schema	O
,	O
WSDL	O
,	O
BPEL	O
editor	O
,	O
data	O
mapping	O
and	O
Composition	O
Applications	O
graphical	O
editors	O
are	O
proposed	O
with	O
OpenESB	B-Language
.	O
</s>
<s>
OpenESB	B-Language
provides	O
the	O
best	O
ergonomics	O
for	O
ESB	O
and	O
SOA	O
developments	O
.	O
</s>
<s>
OpenESB	B-Language
V3.1.2	O
does	O
not	O
use	O
any	O
container	O
but	O
just	O
a	O
JVM	B-Language
.	O
</s>
<s>
So	O
,	O
its	O
memory	O
footprint	O
is	O
very	O
low	O
(	O
less	O
than	O
300	O
Mo	O
)	O
and	O
allows	O
OpenESB	B-Language
to	O
run	O
in	O
a	O
Raspberry	O
PI	O
or	O
in	O
a	O
many	O
instances	O
on	O
a	O
cloud	O
.	O
</s>
