Streaming Media in Flash8/Flash MX 2004
Streaming media refers to the ability of a media file to play as it downloads. There are two types of streaming viz RTSP (Real Time Streaming Protocol) and HTTP. Both methods plays the media as the file downloads. The method you use depends on your streaming requirements.
RTSP Streaming
- Media plays as it downloads
- Media file is stored on the local computer
- Requires a special “media” server. Example Flash Media Server, Red5
- The media server controls the transmission rate (”push” streaming)
- Uses UDP “Lossy” transmission protocol (if data is corrupted or lost during transmission, it is simply discarded)
HTTP Streaming (Progressive Download)
HTTP streaming uses the standard Internet “Hypertext Transport Protocol” (HTTP) to deliver stored media files. This is the same protocol used to transmit information from a Web server to your Web browser. HTTP streaming was introduced as part of Apple’s QuickTime 3 and is referred to as “progressive download”.
- Media plays as it downloads
- Media file is stored on the local computer
- Does not require special media server as files are downloaded from web server
- The server does not have any control on the transmission rate as the file is downloaded as per bandwidth available
- Uses TCP/IP Protocol for transmission of data. This ensures that the file is completely downloaded and no loss of data occurs
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