[standards-jig] VoIP, JEP-0065 and UDP?

Joe Hildebrand jhildebrand at jabber.com
Mon Jan 26 06:46:17 UTC 2004


> Right. But you do not need an external proxy for this. Two clients both
> behind NAT can open their NAT each other without the need for a third
> party.
>
>> That's why services such as ping are possible.
>
> ping does not use UDP. Ping uses ICMP.
>
>> So if we take advantage of this behaviour, we can definitely construct
>> a UDP proxy.
>
> Why a proxy if it is possible with the same technique without it?

Take a look at RFC 3489, STUN.  It describes this approach pretty 
thoroughly.

-- 
Joe Hildebrand
Denver, CO, USA




More information about the Standards mailing list