<s>
Dynamic	B-Protocol
synchronous	I-Protocol
transfer	I-Protocol
mode	I-Protocol
(	O
DTM	O
)	O
is	O
an	O
optical	O
networking	O
technology	O
standardized	O
by	O
the	O
European	O
Telecommunications	O
Standards	O
Institute	O
(	O
ETSI	O
)	O
in	O
2001	O
beginning	O
with	O
specification	O
ETSI	O
ES	O
201	O
803-1	O
.	O
</s>
<s>
DTM	O
is	O
a	O
time-division	B-Protocol
multiplexing	I-Protocol
and	O
a	O
circuit-switching	B-Protocol
network	O
technology	O
that	O
combines	O
switching	O
and	O
transport	O
.	O
</s>
<s>
It	O
is	O
designed	O
to	O
provide	O
a	O
guaranteed	O
quality	O
of	O
service	O
(	O
QoS	O
)	O
for	O
streaming	B-Application
video	I-Application
services	O
,	O
but	O
can	O
be	O
used	O
for	O
packet-based	O
services	O
as	O
well	O
.	O
</s>
<s>
It	O
is	O
marketed	O
for	O
professional	O
media	O
networks	O
,	O
mobile	O
TV	O
networks	O
,	O
digital	O
terrestrial	O
television	O
(	O
DTT	O
)	O
networks	O
,	O
in	O
content	B-Operating_System
delivery	I-Operating_System
networks	I-Operating_System
and	O
in	O
consumer	O
oriented	O
networks	O
,	O
such	O
as	O
"	O
triple	B-Architecture
play	I-Architecture
"	O
networks	O
.	O
</s>
