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Including Multimedia Elements Part V
HTTP Streaming
To gain the maximum throughput of your RealVideo files, it??™s best to use the RealServer software. However,
some Web site clients must economize and can??™t afford the specialized server. It is not widely known that
you can use a regular World Wide Web server to stream RealVideo and other RealMedia files over HTTP.
Two prerequisites exist for HTTP streaming: Your system administrator must first correctly configure the MIME
types, and you must provide multiple files to match the right user-selectable modem speeds. The proper
MIME types are as follows:
n audio/x-pn-RealAudio (for .ra, .rm, or .ram files)
n audio/x-pn-RealAudio-plugin (for .rpm files)
n video/x-pn-RealVideo (for .ra, .rm, or .ram files)
n video/x-pn-RealVideo-plugin (for .rpm files)
RealServer automatically selects the right file for the user??™s modem connection. If you are using HTTP streaming
capabilities, you should offer multiple files to accommodate the various Internet connection rates, such as
28.8K, 56K, and higher (for cable and DSL).
Besides a reduction in download speed, the other disadvantage to using HTTP streaming instead of
RealServer streaming is the reduced number of simultaneous users who can be served.
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