

Nearly five months after announcing that the Real Time Messaging Protocol would be made open, Adobe has finally made it available (PDF Alert!). The seventy-page spec is a set of four documents explaining the license, the RTMP chunk stream, the message formats, and the command messages.
RTMP (Real Time Messaging Protocol) is the multimedia protocol used to create products and technology that enable transmission of video, audio, and data in the open AMF, SWF, FLV, and F4V formats compatible with Adobe Flash Player designed keeping high-performance transmission in mind.
Kevin Towes has a detailed overview of the past, the present and the future of RTMP.
As made clear in the earlier announcement, Adobe is not releasing any of the secure measures that it takes along with the RTMP spec, like the RTMPe and the RTMFP in the interest of their customers. So developers will have to use their own technological measures to secure their content regarding which Adobe makes no restrictions.
E-mail any unclear or potentially erroneous information within the specification to Adobe at openrtmp@adobe.com.
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