Version 4 and below of what is now called Adobe Media Server, a server that uses the RTMP protocol to receive and deliver streaming audio and video.
This server works with the Flash Player runtime to create media driven, multiuser RIAs (Rich Internet Applications). The server uses ActionScript 1, an ECMAScript based scripting language, for server-side logic. The latest version is 5.
Adobe Flash Media Server family includes:
- Flash Media Server 5 Professional/Standard/Extended
- Adobe Flash Media Server on Amazon Web Services
References: