On Thu, Jan 08, 2004 at 08:22:26AM +0100, Olle E. Johansson wrote:Oh, there is a lot of design issues if you consider a dual-IP network.
Brunner, Armin wrote:
Is there any IPv6 support within asterisk? I couldn't find any hint in all the documents about this.
No. Not today. iptel.org's SER has IPv6 support.
I think it is about time to think about how to design it in Asterisk, as many VoIP networks
based on SIP consider IPv6 to get rid of the NAT mess.
There is no real "design issue" with IPV6. No more NAT, that's all.
* If you dial me from an IPv4 network and I'm on IPv6, we have to force media proxy (Like NAT today) * If you're on a IPv4 only network, dialling me and get an IPv6 address to my SIP proxy - what do you do? * If you're dialing through a SIp proxy and your SDP is IPv6 and your SIP contact is IPv4, what do we do?
...I'm just shooting from my hip, but IPv4-IPv6 together *will* cause a lot of NAT-like situations. And it will take quite a long time before anyone has an IPv6 only situation ;-)
I agree, IPv6 only is quite simple, but even if that's the case, there's a lot of code changes. IP addresses are everywhere in the SIP channel...
/Olle
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