NAT and RTSP

NATs also affect RTSP, hence there are several efforts to address this:

M. Westerlund and T. Zeng, The Evaluation of Different Network Address Translator (NAT) Traversal Techniques for Media Controlled by Real-time Streaming Protocol (RTSP) [Westerlund 2014]
J. Goldberg, M. Westerlund, and T. Zeng, A Network Address Translator (NAT) Traversal mechanism for media controlled by Real-Time Streaming Protocol (RTSP) [Goldberg 2014]

Slide Notes

M. Westerlund and T. Zeng, The Evaluation of Different Network Address Translator (NAT) Traversal Techniques for Media Controlled by Real-time Streaming Protocol (RTSP), Internet-Draft, Network Working Group, February 10, 2014, Expires: August 14, 2014, draft-ietf-mmusic-rtsp-nat-evaluation-13 http://www.ietf.org/id/draft-ietf-mmusic-rtsp-nat-evaluation-13.txt Links to an external site.

J. Goldberg, M. Westerlund, and T. Zeng, A Network Address Translator (NAT) Traversal mechanism for media controlled by Real-Time Streaming Protocol (RTSP), Internet-Draft, Network Working Group, February 10, 2014, Expires: August 14, 2014 , draft-ietf-mmusic-rtsp-nat-20 http://tools.ietf.org/html/draft-ietf-mmusic-rtsp-nat-20 Links to an external site.

Transcript

[slide377] We have a similar problem for RTSP, and you can read a set of references about that. Why? Because of course we're sending RTSP messages out to this remote service who's going to stream the video into us, and we may not be able to actually see the media, even though we could talk to the remote server.