<s>
Rational	B-Application
Software	I-Application
Modeler	I-Application
(	O
RSM	O
)	O
,	O
made	O
by	O
IBM	O
's	O
Rational	O
Software	O
division	O
,	O
is	O
a	O
Unified	B-Language
Modeling	I-Language
Language	I-Language
(	O
UML	B-Language
)	O
2.0-based	O
visual	O
modeling	O
and	O
design	O
tool	O
.	O
</s>
<s>
Rational	B-Application
Software	I-Application
Modeler	I-Application
is	O
based	O
on	O
the	O
Eclipse	B-Application
open-source	B-Application
software	I-Application
framework	O
and	O
is	O
used	O
for	O
visual	O
modeling	O
and	O
model-driven	B-Language
development	I-Language
(	O
MDD	O
)	O
with	O
UML	B-Language
for	O
creating	O
applications	O
and	O
web	O
services	O
.	O
</s>
<s>
IBM	O
ceased	O
marketing	O
Rational	B-Application
Software	I-Application
Modeler	I-Application
in	O
2010	O
and	O
ended	O
support	O
for	O
it	O
in	O
2015	O
.	O
</s>
<s>
Much	O
of	O
the	O
same	O
functionality	O
is	O
now	O
available	O
through	O
Rational	B-Language
Software	I-Language
Architect	I-Language
.	O
</s>
<s>
The	O
capabilities	O
of	O
the	O
last	O
major	O
release	O
(	O
Version	O
7	O
)	O
of	O
Rational	B-Application
Software	I-Application
Modeler	I-Application
include	O
:	O
</s>
<s>
It	O
is	O
integrated	O
with	O
other	O
IBM	O
Rational	O
Software	O
tools	O
,	O
such	O
as	O
ClearCase	B-Protocol
configuration	O
management	O
and	O
ClearQuest	O
exception	O
handling	O
(	O
defect	O
reports	O
and	O
change	O
requests	O
)	O
.	O
</s>
<s>
RSM	O
is	O
engineered	O
as	O
a	O
plugin	O
that	O
sits	O
on	O
top	O
of	O
the	O
open-source	B-Application
Eclipse	B-Application
development	O
platform	O
.	O
</s>
<s>
RSM	O
can	O
be	O
installed	O
either	O
on	O
top	O
of	O
an	O
existing	O
Eclipse	B-Application
v3.2	O
installation	O
,	O
or	O
as	O
a	O
new	O
Eclipse	B-Application
v3.2	O
instance	O
.	O
</s>
<s>
As	O
RSM	O
is	O
Eclipse-based	O
,	O
it	O
can	O
use	O
third-party	O
Eclipse	B-Application
plugins	O
,	O
as	O
well	O
as	O
plugins	O
specifically	O
for	O
Rational	O
tools	O
.	O
</s>
<s>
They	O
combined	O
competing	O
modeling	O
approaches	O
to	O
form	O
what	O
eventually	O
became	O
the	O
Unified	B-Language
Modeling	I-Language
Language	I-Language
.	O
</s>
<s>
Rational	O
Software	O
's	O
first	O
visual	O
modeling	O
and	O
development	O
tool	O
was	O
Rational	B-Application
Rose	I-Application
,	O
a	O
stand-alone	O
modeling	O
tool	O
that	O
integrated	O
the	O
application	B-Application
programming	I-Application
interface	I-Application
(	O
API	B-Application
)	O
level	O
with	O
third-party	O
Integrated	B-Application
Development	I-Application
Environments	I-Application
(	O
IDEs	O
)	O
in	O
order	O
to	O
support	O
a	O
variety	O
of	O
programming	O
languages	O
and	O
other	O
implementation	O
technologies	O
.	O
</s>
<s>
While	O
Rational	B-Application
Rose	I-Application
was	O
an	O
important	O
step	O
towards	O
bringing	O
Model-driven	B-Language
development	I-Language
(	O
MDD	O
)	O
closer	O
to	O
practicing	O
software	O
developers	O
,	O
it	O
was	O
found	O
that	O
only	O
a	O
small	O
fraction	O
of	O
developers	O
used	O
modeling	O
on	O
a	O
routine	O
basis	O
.	O
</s>
<s>
Rational	O
responded	O
to	O
this	O
need	O
in	O
2002	O
with	O
IBM	B-Application
Rational	I-Application
XDE	I-Application
software	O
,	O
providing	O
a	O
development	O
environment	O
for	O
the	O
programming	O
technologies	O
emerging	O
at	O
the	O
time	O
:	O
Java	O
and	O
Microsoft	O
.NET	O
.	O
</s>
<s>
IBM	B-Application
Rational	I-Application
XDE	I-Application
was	O
characterized	O
as	O
the	O
next	O
generation	O
of	O
IBM	B-Application
Rational	I-Application
Rose	I-Application
—	O
not	O
a	O
new	O
version	O
of	O
it	O
(	O
hence	O
the	O
name	O
change	O
)	O
,	O
and	O
not	O
necessarily	O
a	O
replacement	O
for	O
Rose	O
(	O
since	O
IBM	B-Application
Rational	I-Application
XDE	I-Application
was	O
purposefully	O
restricted	O
to	O
support	O
only	O
a	O
select	O
number	O
of	O
IDEs	O
and	O
implementation	O
technologies	O
)	O
.	O
</s>
<s>
For	O
the	O
next-generation	O
MDD	O
products	O
,	O
model-driven	B-Language
development	I-Language
functions	O
were	O
built	O
on	O
top	O
of	O
Eclipse	B-Application
to	O
form	O
a	O
more	O
complete	O
MDD	O
tool	O
.	O
</s>
<s>
IBM	B-Language
Rational	I-Language
Software	I-Language
Architect	I-Language
,	O
IBM	B-Application
Rational	I-Application
Software	I-Application
Modeler	I-Application
and	O
IBM	O
Rational	O
Systems	O
Developer	O
were	O
the	O
result	O
of	O
these	O
changes	O
;	O
merging	O
the	O
silos	O
that	O
previously	O
defined	O
modeling	O
,	O
development	O
and	O
code	O
analysis	O
into	O
a	O
more	O
integrated	O
design	O
.	O
</s>
<s>
Based	O
on	O
Eclipse	B-Application
v3.0	O
,	O
UML	B-Language
v2.0	O
.	O
</s>
<s>
Based	O
on	O
Eclipse	B-Application
v3.2	O
,	O
UML	B-Language
v2.1	O
.	O
</s>
