[Adium-devl] Voice/Video NAT traversal problem

[Peter Saint-Andre]

Andreas Monitzer wrote:
> On Apr 08, 2007, at 09:05, Chris Forsythe wrote:
> 
>> This is incorrect, it does work behind them. Rather, it did the  
>> first time I used it, which was pretty early on in iChat's life.
> 
> It does support some, but it fails on my network :(
> I'm using a Gentoo-based router I set up myself. I tried setting up a  
> UPnP service, but that didn't help.
> 
> @Eitan:
> For ICE, you might be interested in its draft:
> http://www.ietf.org/internet-drafts/draft-ietf-mmusic-ice-15.txt
> 
> I haven't read it myself, but I'm sure it can help you understanding  
> the complexity of the issue. Most servers don't proxy voice/video- 
> connections due to costs involved.

BTW, we in the Jabber community have defined a Jingle transport that 
uses the ICE methodology:

http://www.xmpp.org/extensions/xep-0176.html

NAT traversal is a knotty problem, but ICE should go a long way toward 
solving it. Granted, we'd need some good ICE libraries. However, I think 
those will be forthcoming soon after ICE is finalized (it's currently in 
Working Group Last Call at the IETF).

Peter

-- 
Peter Saint-Andre
XMPP Standards Foundation
http://www.xmpp.org/xsf/people/stpeter.shtml

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