<s>
Cardea	B-Device
is	O
the	O
codename	O
for	O
portable	O
version	O
of	O
Windows	O
Media	O
DRM	O
for	O
network	B-Architecture
devices	O
,	O
the	O
marketing	O
name	O
of	O
which	O
is	O
Windows	O
Media	O
DRM	O
for	O
Network	B-Architecture
Devices	O
(	O
or	O
in	O
short	O
form	O
WMDRM-ND	O
)	O
introduced	O
by	O
Microsoft	O
.	O
</s>
<s>
It	O
is	O
used	O
for	O
streaming	O
protected	O
digital	O
media	O
across	O
a	O
network	B-Architecture
for	O
immediate	O
playback	O
.	O
</s>
<s>
Janus	B-Device
(	O
DRM	O
)	O
is	O
a	O
similar	O
system	O
for	O
portable	O
devices	O
,	O
but	O
is	O
used	O
for	O
synchronization	O
.	O
</s>
