14-08-2012, 01:28 PM
Media Streaming
[attachment=31467]
Media Streaming is delivering audio / video content continuously over the web. With broadband spreading in every corner of the world and latest compression / delivery techniques, Media Streaming is becoming more popular. Dedicated High End / High Bandwidth servers that enable constant delivery of such content are called as Media Streaming Servers.
Media Streaming Servers are used in the following ways
1. On demand audio / video streaming
2. Live Streaming or Web Casting
Technology
Real Time Messaging Protocol (RTMP) is a protocol used for streaming audio, video and data over the Internet, between a Flash player and a server.
The RTMP protocol has three variations:
The "plain" protocol which works on top of TCP
RTMPT which is encapsulated within HTTP requests to traverse firewalls
RTMPS which works just like RTMPT, but over a secure HTTPS connection.
The raw TCP-based RTMP protocol maintains a single persistent connection and allows real-time communication. To guarantee smooth delivery of video and audio streams, while still maintaining the ability to transmit bigger chunks of information, the protocol splits video and data into 128-byte fragments (except for audio which uses 64-byte fragments). Fragments from different streams are then interleaved and multiplexed over a single connection. With longer data chunks, the protocol only carries a one-byte header per fragment, thus incurring very little overhead.
[attachment=31467]
Media Streaming is delivering audio / video content continuously over the web. With broadband spreading in every corner of the world and latest compression / delivery techniques, Media Streaming is becoming more popular. Dedicated High End / High Bandwidth servers that enable constant delivery of such content are called as Media Streaming Servers.
Media Streaming Servers are used in the following ways
1. On demand audio / video streaming
2. Live Streaming or Web Casting
Technology
Real Time Messaging Protocol (RTMP) is a protocol used for streaming audio, video and data over the Internet, between a Flash player and a server.
The RTMP protocol has three variations:
The "plain" protocol which works on top of TCP
RTMPT which is encapsulated within HTTP requests to traverse firewalls
RTMPS which works just like RTMPT, but over a secure HTTPS connection.
The raw TCP-based RTMP protocol maintains a single persistent connection and allows real-time communication. To guarantee smooth delivery of video and audio streams, while still maintaining the ability to transmit bigger chunks of information, the protocol splits video and data into 128-byte fragments (except for audio which uses 64-byte fragments). Fragments from different streams are then interleaved and multiplexed over a single connection. With longer data chunks, the protocol only carries a one-byte header per fragment, thus incurring very little overhead.