<s>
Media-accelerated	O
Global	O
Information	O
Carrier	O
(	O
MaGIC	O
)	O
is	O
an	O
audio	B-Protocol
over	I-Protocol
Ethernet	I-Protocol
protocol	O
developed	O
by	O
Gibson	O
Guitar	O
Corporation	O
in	O
partnership	O
with	O
3COM	O
.	O
</s>
<s>
In	O
terms	O
of	O
ISO	O
OSI	O
model	O
,	O
MaGIC	O
can	O
use	O
physical	B-Application
and	O
link	B-Protocol
layer	I-Protocol
(	O
MAC/LLC	O
)	O
based	O
on	O
100	O
Mbit	O
Fast	B-Protocol
Ethernet	I-Protocol
signalling	O
specified	O
in	O
IEEE	O
802.3/IEEE	O
802.3af	O
and	O
IEEE	O
802.2	O
,	O
however	O
MaGIC	O
implements	O
proprietary	O
network	B-Application
and	O
application	B-Application
layers	I-Application
which	O
can	O
be	O
used	O
with	O
different	O
physical	B-Application
layers	I-Application
such	O
as	O
Gigabit	O
Ethernet	O
or	O
optical	O
media	O
.	O
</s>
<s>
The	O
network	B-Application
protocol	O
encapsulates	O
each	O
frame	O
application	B-Application
data	O
(	O
1506	O
bytes	O
)	O
into	O
media	O
payload	O
(	O
1024	O
bytes	O
)	O
and	O
control	O
payload	O
(	O
352	O
bytes	O
)	O
fields	O
of	O
the	O
frame	O
.	O
</s>
<s>
Control	O
messages	O
are	O
generally	O
broadcast	O
to	O
the	O
entire	O
network	B-Application
each	O
device	O
processes	O
the	O
destination	O
address	O
and	O
forwards	O
to	O
all	O
neighbors	O
if	O
necessary	O
.	O
</s>
<s>
Ports	O
represent	O
either	O
physical	B-Application
connections	O
or	O
user	O
applications	O
which	O
send	O
media	O
to	O
the	O
network	B-Application
;	O
</s>
<s>
Media	O
slot	O
routers	O
route	O
media	O
data	O
streams	O
through	O
the	O
network	B-Application
.	O
</s>
<s>
The	O
network	B-Application
elects	O
a	O
System	O
Timing	O
Master	O
(	O
STM	O
)	O
which	O
is	O
the	O
source	O
of	O
synchronization	O
on	O
for	O
all	O
devices	O
.	O
</s>
<s>
Well	O
Known	O
Application	B-Application
Protocols	I-Application
(	O
128-511	O
)	O
used	O
for	O
encapsulation	O
of	O
well-known	O
high-level	O
protocols	O
or	O
for	O
transporting	O
messages	O
with	O
well-known	O
format	O
and	O
structure	O
(	O
like	O
MIDI	O
)	O
.	O
</s>
<s>
For	O
example	O
,	O
a	O
control	O
link	O
allows	O
the	O
knob	O
on	O
one	O
device	O
to	O
regulate	O
the	O
remotely	O
located	O
volume	O
on	O
another	O
device	O
through	O
the	O
MaGIC	O
network	B-Application
.	O
</s>
<s>
Control	O
links	O
allow	O
remote	O
management	O
from	O
a	O
computer	O
with	O
a	O
sophisticated	O
GUI	O
which	O
would	O
act	O
as	O
a	O
network	B-Application
supervisor	O
that	O
would	O
manage	O
other	O
applications	O
.	O
</s>
<s>
+Network	O
management	O
messagesCMCNameDescription	O
0x01	O
Operation	O
CompletionStatus	O
Used	O
for	O
error	O
reporting	O
.	O
</s>
