| Feature | Flash Media Server | Wowza Media Server | Red5 |
| Protocols | RTMP
RTMPT RTMPS RTMPE RTMPTE RTMFP |
RTMP
RTMPT RTMPS RTMPE RTMPTE |
RTMP
RTMPT RTMPS RTMPE RTMPTE |
| Pricing | Find here | Find here | Free (Open Source) |
| Platforms | Microsoft® Windows Server® 2003 with Service Pack 2 or Windows Server 2008
Linux® Red Hat® 4 or 5.2 Runs as a 32-bit software on both 32- and 64-bit operating systems. |
Windows
Mac OS X Linux Solaris Unix 64-bit Support on all IPv6 Support |
Windows
Debian/Ubuntu Mac OSX WAR Gentoo |
| Action Method Format 3 (AMF3) | AMF3(Uni-directional ) | AMF3(Bi-directional ) | AMF3 |
| Live and On-demand Audio / Video Streaming | FLV
H.264 FLV MP3 AAC, LC-AAC, HE-AAC Speex |
FLV
H.264 FLV MP3 AAC, LC-AAC, HE-AAC Speex |
(On Demand)
FLV MP3 F4V MP4 AAC M4A (Live) Sorenson VP6 h.264 Nelly Moser MP3 Speex AAC NSV |
| Server Side | AS2 | Java | Java |
| Multi Client/ Multi Protocol Streaming | Flash (RTMP / HTTP)
iPhone/iPad (HTTP Streaming) |
Flash (RTMP)
iPhone/iPad (HTTP Streaming) Silverlight (Smooth Streaming) QucikTime/3GPP (RTSP/RTP) IPTV (MPEG-TS) |
Flash (RTMP) |
| Recording | H.264/AAC to FLV container
MPEG-4 |
H.264/AAC to FLV container
H.264/AAC to MP4 (Quicktime) container |
FLV Only |
| Inbound Live Encoder Support | RTMP (Flash & H.264/AAC) | RTMP (Flash & H.264/AAC)
RTSP / RTP / MPEG-TS (H.264/AAC: unicast, multicast, TCP, UDP) ICY (MP3/AAC: SHOUTcast/ icecast) |