<s>
The	O
Digital	B-Operating_System
Media	I-Operating_System
Access	I-Operating_System
Protocol	I-Operating_System
(	O
DMAP	O
)	O
is	O
the	O
family	O
of	O
proprietary	O
protocols	O
introduced	O
by	O
Apple	O
that	O
are	O
used	O
by	O
iTunes	B-Operating_System
,	O
iPhoto	B-Operating_System
,	O
Remote	B-Operating_System
and	O
other	O
software	O
to	O
share	O
media	O
across	O
a	O
local	O
network	O
.	O
</s>
<s>
The	O
DMAP	O
protocol	O
is	O
a	O
specialized	O
HTTP	B-Protocol
protocol	I-Protocol
,	O
which	O
performs	O
two	O
functions	O
.	O
</s>
<s>
Services	O
such	O
as	O
iTunes	B-Operating_System
and	O
iPhoto	B-Operating_System
uses	O
the	O
zeroconf	B-Application
(	O
also	O
known	O
as	O
Bonjour	B-Application
)	O
service	O
to	O
announce	O
itself	O
and	O
discover	O
DMAP	O
services	O
on	O
a	O
local	O
subnet	B-Protocol
.	O
</s>
<s>
The	O
combined	O
DACP	O
,	O
DAAP	B-Operating_System
and	O
DAAP	B-Operating_System
services	O
can	O
be	O
expressed	O
in	O
terms	O
of	O
a	O
WADL	B-Language
interface	O
which	O
documents	O
the	O
URL	O
's	O
that	O
are	O
accessible	O
.	O
</s>
