<s>
Concurrency	B-Library
and	I-Library
Coordination	I-Library
Runtime	I-Library
(	O
CCR	O
)	O
is	O
an	O
asynchronous	B-Operating_System
programming	I-Operating_System
library	O
based	O
on	O
.NET	B-Application
Framework	I-Application
from	O
Microsoft	O
distributed	O
with	O
Microsoft	B-Application
Robotics	I-Application
Developer	I-Application
Studio	I-Application
(	O
MRDS	O
)	O
.	O
</s>
<s>
CCR	O
runtime	O
includes	O
a	O
Dispatcher	O
class	O
that	O
implements	O
a	O
Thread	B-Operating_System
pool	O
,	O
with	O
a	O
fixed	O
number	O
of	O
threads	B-Operating_System
,	O
all	O
of	O
which	O
can	O
execute	O
simultaneously	O
.	O
</s>
<s>
The	O
work	O
items	O
are	O
then	O
distributed	O
across	O
the	O
threads	B-Operating_System
for	O
execution	O
.	O
</s>
<s>
A	O
dispatcher	O
object	O
also	O
contains	O
a	O
generic	B-Language
Port	O
which	O
is	O
a	O
queue	O
where	O
the	O
result	O
of	O
the	O
asynchronous	O
execution	O
of	O
a	O
work	O
item	O
is	O
put	O
.	O
</s>
<s>
In	O
May	O
2010	O
,	O
the	O
CCR	O
was	O
made	O
available	O
along	O
with	O
the	O
entire	O
Robotics	B-Application
Developer	I-Application
Studio	I-Application
in	O
one	O
package	O
,	O
for	O
free	O
.	O
</s>
<s>
Microsoft	B-Application
Robotics	I-Application
Developer	I-Application
Studio	I-Application
2008	O
R3	O
.	O
</s>
<s>
Asynchronous	B-Operating_System
programming	I-Operating_System
is	O
now	O
supported	O
in	O
Visual	O
Studio	O
languages	O
such	O
as	O
C#	O
through	O
built-in	O
language	O
features	O
.	O
</s>
