<s>
Adobe	B-Operating_System
Media	I-Operating_System
Server	I-Operating_System
(	O
AMS	O
)	O
is	O
a	O
proprietary	B-Application
data	O
and	O
media	O
server	B-Application
from	O
Adobe	O
Systems	O
(	O
originally	O
a	O
Macromedia	O
product	O
)	O
.	O
</s>
<s>
This	O
server	B-Application
works	O
with	O
the	O
Flash	B-Operating_System
Player	I-Operating_System
and	O
HTML5	B-Application
runtime	B-Device
to	O
create	O
media	O
driven	O
,	O
multiuser	O
RIAs	O
(	O
Rich	B-Application
Internet	I-Application
Applications	I-Application
)	O
.	O
</s>
<s>
The	O
server	B-Application
uses	O
ActionScript	B-Operating_System
1	O
,	O
an	O
ECMAScript	B-Language
based	O
scripting	B-Language
language	I-Language
,	O
for	O
server-side	B-Application
logic	O
.	O
</s>
<s>
Prior	O
to	O
version	O
2	O
,	O
it	O
was	O
known	O
as	O
Flash	O
Communication	O
Server	B-Application
.	O
</s>
<s>
Prior	O
to	O
version	O
5	O
,	O
it	O
was	O
known	O
as	O
Flash	B-Operating_System
Media	I-Operating_System
Server	I-Operating_System
.	O
</s>
<s>
On	O
March	O
16	O
,	O
2002	O
,	O
Macromedia	O
released	O
Flash	B-Operating_System
Player	I-Operating_System
6	O
.	O
</s>
<s>
This	O
version	O
included	O
all	O
the	O
functionality	O
for	O
a	O
yet	O
to	O
be	O
released	O
server	B-Application
called	O
Flash	O
Communication	O
Server	B-Application
MX	O
.	O
</s>
<s>
Version	O
1.5	O
was	O
released	O
on	O
27	O
March	O
2003	O
giving	O
the	O
server	B-Application
HTTP	B-Protocol
Tunneling	I-Protocol
,	O
Linux	B-Application
support	O
and	O
a	O
free	O
developer	O
edition	O
.	O
</s>
<s>
The	O
server	B-Application
was	O
renamed	O
to	O
Flash	B-Operating_System
Media	I-Operating_System
Server	I-Operating_System
for	O
this	O
build	O
to	O
better	O
illustrate	O
what	O
the	O
server	B-Application
does	O
;	O
however	O
,	O
the	O
version	O
numbers	O
were	O
not	O
reset	O
.	O
</s>
<s>
Version	O
2.0	O
brought	O
support	O
to	O
stream	O
the	O
new	O
video	O
codec	O
in	O
Flash	B-Operating_System
Player	I-Operating_System
8	O
,	O
On2	B-Application
’s	I-Application
VP6	B-Algorithm
.	O
</s>
<s>
However	O
the	O
Flash	B-Operating_System
Player	I-Operating_System
(	O
as	O
of	O
version	O
10.1	O
)	O
can	O
still	O
only	O
encode	O
to	O
the	O
Spark	O
codec	O
.	O
</s>
<s>
The	O
server	B-Application
side	I-Application
Actionscript	B-Operating_System
runtime	B-Device
also	O
received	O
updates	O
with	O
support	O
for	O
XML	B-Protocol
,	O
XMLSocket	O
,	O
SOAP	B-Application
and	O
File	O
operations	O
.	O
</s>
<s>
It	O
also	O
includes	O
a	O
free	O
"	O
development	O
"	O
server	B-Application
.	O
</s>
<s>
Version	O
4.0	O
was	O
released	O
on	O
September	O
13	O
,	O
2010	O
and	O
introduced	O
full	O
64-bit	O
support	O
,	O
more	O
secure	O
multiprotocol	O
streaming	O
,	O
IP	O
multicast	O
broadcast	O
,	O
multicast	O
fusion	O
,	O
peer-assisted	O
networking	O
,	O
enhanced	O
buffer	O
,	O
absolute	O
timecode	O
,	O
RTMP	O
QoS	O
improvements	O
,	O
simplified	O
player	O
development	O
,	O
faster	O
switching	O
with	O
RTMP	O
Dynamic	O
Streaming	O
and	O
integrated	O
HTTP	O
server	B-Application
.	O
</s>
<s>
Video	B-Application
on	I-Application
Demand	I-Application
,	O
streaming	B-Application
video	I-Application
stored	O
on	O
the	O
server	B-Application
to	O
the	O
flash	O
client	O
.	O
</s>
<s>
Adobe	B-Operating_System
Media	I-Operating_System
Server	I-Operating_System
is	O
a	O
hub	O
.	O
</s>
<s>
Flash/HTML5	O
video	O
based	O
applications	O
connect	O
to	O
the	O
hub	O
using	O
Real	B-Operating_System
Time	I-Operating_System
Messaging	I-Operating_System
Protocol	I-Operating_System
(	O
RTMP	O
)	O
.	O
</s>
<s>
The	O
server	B-Application
can	O
send	O
and	O
receive	O
data	O
to	O
and	O
from	O
the	O
connected	O
users	O
with	O
live	O
web	O
FLV	B-Operating_System
or	O
HTML5	B-Application
player	O
installed	O
.	O
</s>
<s>
Connected	O
clients	O
can	O
make	O
Remote	B-Operating_System
procedure	I-Operating_System
calls	I-Operating_System
(	O
RPC	O
)	O
on	O
the	O
server-side	B-Application
and	O
the	O
server	B-Application
can	O
call	O
methods	O
on	O
specific	O
clients	O
.	O
</s>
<s>
Standard	O
ActionScript	B-Operating_System
objects	O
are	O
transported	O
across	O
the	O
NetConnection	O
using	O
the	O
Action	B-Protocol
Message	I-Protocol
Format	I-Protocol
(	O
AMF	O
)	O
which	O
is	O
handled	O
transparently	O
by	O
the	O
server	B-Application
and	O
flash	O
client	O
.	O
</s>
<s>
The	O
server	B-Application
also	O
allows	O
users	O
to	O
receive	O
and	O
publish	O
net	O
streams	O
.	O
</s>
<s>
When	O
viewing	O
a	O
net	O
stream	O
the	O
user	O
can	O
either	O
create	O
their	O
own	O
to	O
view	O
a	O
remotely	O
stored	O
Flash	B-Operating_System
Video	I-Operating_System
HTML5	B-Application
(	O
FLV	B-Operating_System
)	O
or	O
the	O
server	B-Application
can	O
instantiate	O
a	O
net	O
stream	O
and	O
play	O
a	O
video	O
on	O
it	O
,	O
the	O
latter	O
method	O
means	O
that	O
every	O
user	O
will	O
be	O
at	O
the	O
same	O
point	O
in	O
the	O
video	O
when	O
they	O
subscribe	O
to	O
it	O
as	O
they	O
are	O
all	O
viewing	O
the	O
same	O
stream	O
.	O
</s>
