<s>
TTCN-3	B-Protocol
(	O
Testing	O
and	O
Test	O
Control	O
Notation	O
version	O
3	O
)	O
is	O
a	O
strongly	O
typed	O
testing	O
language	O
used	O
in	O
conformance	O
testing	O
of	O
communicating	O
systems	O
.	O
</s>
<s>
TTCN-3	B-Protocol
is	O
written	O
by	O
ETSI	O
in	O
the	O
ES	O
201	O
873	O
series	O
,	O
and	O
standardized	O
by	O
ITU-T	O
in	O
the	O
Z.160	O
Series	O
.	O
</s>
<s>
TTCN-3	B-Protocol
has	O
its	O
own	O
data	O
types	O
and	O
can	O
be	O
combined	O
with	O
ASN.1	B-Protocol
,	O
IDL	B-General_Concept
and	O
XML	B-Protocol
type	O
definitions	O
.	O
</s>
<s>
ITU-T	O
TTCN-3	B-Protocol
standard	O
is	O
part	O
of	O
the	O
Z	O
Series	O
and	O
is	O
organized	O
in	O
several	O
parts	O
:	O
</s>
<s>
TTCN-3	B-Protocol
has	O
been	O
used	O
to	O
define	O
conformance	O
test	O
suites	O
to	O
SIP	B-Application
,	O
WiMAX	O
,	O
and	O
DSRC	O
standard	O
protocols	O
.	O
</s>
<s>
The	O
Open	O
Mobile	O
Alliance	O
adopted	O
in	O
2008	O
a	O
strategy	O
of	O
using	O
TTCN-3	B-Protocol
for	O
translating	O
some	O
of	O
the	O
test	O
cases	O
in	O
an	O
enabler	O
test	O
specification	O
into	O
an	O
executable	O
representation	O
.	O
</s>
<s>
The	O
AUTOSAR	B-Application
project	O
promoted	O
(	O
2008	O
)	O
the	O
use	O
of	O
TTCN-3	B-Protocol
within	O
the	O
automotive	O
industry	O
.	O
</s>
<s>
The	O
3GPP	O
project	O
promoted	O
the	O
use	O
of	O
TTCN-3	B-Protocol
within	O
the	O
mobile	O
industry	O
.	O
</s>
<s>
TE	O
:	O
TTCN-3	B-Protocol
Executable	O
is	O
the	O
executable	O
form	O
of	O
the	O
test	O
suite	O
.	O
</s>
<s>
TRI	O
:	O
TTCN-3	B-Protocol
Runtime	O
Interface	O
is	O
the	O
interface	O
between	O
the	O
TE	O
and	O
the	O
SUT	O
.	O
</s>
<s>
TCI	O
:	O
TTCN-3	B-Protocol
Control	O
Interfaces	O
is	O
the	O
interface	O
to	O
control	O
the	O
test	O
execution	O
.	O
</s>
<s>
This	O
is	O
an	O
TTCN-3	B-Protocol
example	O
with	O
its	O
graphical	O
equivalent	O
in	O
MSC	O
(	O
Message	B-Application
Sequence	I-Application
Chart	I-Application
)	O
.	O
</s>
