Macromedia flash media server 2-developing media applications User Manual

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Flash Media Server Architecture
Understanding the Flash Media Server 
architecture
The server and the Flash client application communicate over a persistent connection using 
Real-Time Message Protocol (RTMP). In a typical scenario, a web server delivers the Flash 
client to Flash Player over HTTP. The Flash client then uses RTMP to establish a persistent 
connection to Flash Media Server, allowing for an uninterrupted data stream to flow between 
client and server.
Web server
Sends SWF
HTTP
1
Client
Plays SWF using
Flash Player
RTMP
2
Flash Media Server
Sends/receives
data stream
3