<s>
TIBCO	B-Application
Rendezvous	I-Application
is	O
a	O
software	O
product	O
that	O
provides	O
a	O
message	B-Application
bus	I-Application
for	O
enterprise	B-Architecture
application	I-Architecture
integration	I-Architecture
(	O
EAI	O
)	O
.	O
</s>
<s>
TIBCO	O
provides	O
messaging	O
APIs	B-Application
in	O
C	B-Language
,	O
C++	B-Language
,	O
Java	B-Language
,	O
Visual	B-Language
Basic	I-Language
,	O
Perl	B-Language
and	O
.NET	O
to	O
provide	O
messaging	O
between	O
two	O
or	O
more	O
services	O
.	O
</s>
<s>
A	O
message	O
is	O
sent	O
to	O
a	O
single	O
Rendezvous	O
Daemon	B-Operating_System
(	O
though	O
it	O
may	O
end	O
up	O
being	O
broadcast	O
onto	O
Daemons	B-Operating_System
)	O
.	O
</s>
<s>
A	O
listener	O
announces	O
its	O
subjects	O
of	O
interest	O
to	O
a	O
Daemon	B-Operating_System
(	O
with	O
a	O
basic	O
wildcard	O
facility	O
)	O
and	O
messages	O
with	O
matching	O
subjects	O
are	O
delivered	O
to	O
it	O
if	O
the	O
two	O
daemons	B-Operating_System
are	O
'	O
connected	O
 '	O
to	O
each	O
other	O
(	O
or	O
indeed	O
the	O
same	O
daemon	B-Operating_System
)	O
.	O
</s>
<s>
The	O
quality	O
of	O
the	O
respective	O
API	B-Application
implementations	O
varies	O
considerably	O
.	O
</s>
<s>
The	O
C++	B-Language
library	O
is	O
simply	O
a	O
wrapper	O
providing	O
an	O
OO	O
view	O
over	O
the	O
C	B-Language
implementation	O
.	O
</s>
<s>
Likewise	O
the	O
Java	B-Language
and	O
.NET	O
implementations	O
wrap	O
the	O
C++	B-Language
implementation	O
.	O
</s>
