Real Data Transport (RDT) is a proprietary transport protocol for the actual audio-video data, developed by RealNetworks in the 1990s. It is commonly used in companion with a control protocol for streaming media like the IETF's Real Time Streaming Protocol (RTSP). Another 2003 book reported that RDT was also seen carried over Transmission Control Protocol (TCP), as a fall-back mechanism.
RDT is now included as part of the Helix Community project.
References
External links
- Helix Community RDT implementation, C++ source code repository.
- RDT v2 protocol specs from Helix Community
- RDT v3 protocol specs from Helix Community