[Live-devel] About RTSP over UDP behind firewall.

[Fang Laifa]

Dear Ross,
 
   Recently I have come out a simple implementation based on
live.2008.07.06.tar.gz so that UDP packets could traverse firewall. The
diff file is attached. Actually only source file RTSPClient.hh and
RTSPClient.cpp are changed. This is a simple UDP hole punch mechanism.
It works fine while accessing m.youtube.com behind firewall using
mplayer. However I just wonder that my experience on C++ is not enough.
So any comments or any suggestions are much appreciated! Thanks.
 
> >     Thanks for your reply. These days I  have a google on such kind
of 
> >technique. It seems that it was called "UDP hole punch". Could you 
> >please tell me which RFC is in progress on such kind of mechanism?
Are 
> >there any draft standard now? I just wonder why youtube and
realplayer 
> >can works well under no standards on that. Thanks.
> 
> This is still in a bit of flux.  Various Internet Drafts have been 
> submitted, but it's not clear yet what's going to go on the standards 
> track.
> 
> This work is being done in the IETF's "MMUSIC" working group, so any 
> follow-up questions should go to that group's mailing list.
> -- 
> 
> Ross Finlayson
> Live Networks, Inc.
> http://www.live555.com/
> 
 
Rgds,
Laifa


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