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Real Data Transport

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).[1]

A non-proprietary alternative for RDT is IETF's Real-time Transport Protocol (RTP), which is also implemented in RealNetworks players.[1]

As reported in a 2002 book about firewalls, RDT used two unidirectional UDP connections, one for the data sent from the server to the client and another in the opposite direction for retransmission requests. The same book reported that RealNetworks' G2 server used RDT in this configuration by default.[2] Another 2003 book reported that RDT was also seen carried over Transmission Control Protocol (TCP), as a fall-back mechanism.[1]

RDT is now included as part of the Helix Community project.

References edit

  1. ^ a b c Mauricio Arregoces; Maurizio Portolani (2003). Data Center Fundamentals. Cisco Press. p. 460. ISBN 978-1-58705-023-7.
  2. ^ Syngress (11 December 2002). Cisco Security Specialists Guide to PIX Firewall. Syngress. p. 155. ISBN 978-0-08-047655-1.

External links edit


real, data, transport, proprietary, transport, protocol, actual, audio, video, data, developed, realnetworks, 1990s, commonly, used, companion, with, control, protocol, streaming, media, like, ietf, real, time, streaming, protocol, rtsp, proprietary, alternati. 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 1 A non proprietary alternative for RDT is IETF s Real time Transport Protocol RTP which is also implemented in RealNetworks players 1 As reported in a 2002 book about firewalls RDT used two unidirectional UDP connections one for the data sent from the server to the client and another in the opposite direction for retransmission requests The same book reported that RealNetworks G2 server used RDT in this configuration by default 2 Another 2003 book reported that RDT was also seen carried over Transmission Control Protocol TCP as a fall back mechanism 1 RDT is now included as part of the Helix Community project References edit a b c Mauricio Arregoces Maurizio Portolani 2003 Data Center Fundamentals Cisco Press p 460 ISBN 978 1 58705 023 7 Syngress 11 December 2002 Cisco Security Specialists Guide to PIX Firewall Syngress p 155 ISBN 978 0 08 047655 1 External links editHelix Community RDT implementation permanent dead link C source code repository RDT v2 Archived 2007 06 30 at the Wayback Machine protocol specs from Helix Community RDT v3 protocol specs from Helix Community nbsp This computer networking article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Real Data Transport amp oldid 1170320577, wikipedia, wiki, book, books, library,

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