[jdev] IPv6 readyness?

Andre-John Mas ajmas at sympatico.ca
Thu Apr 17 22:11:34 CDT 2008


On 17-Apr-08, at 02:15 , Johansson Olle E wrote:
>
> 16 apr 2008 kl. 16.41 skrev Norman Rasmussen:
>> On Wed, Apr 16, 2008 at 4:13 PM, Jonathan Dickinson  
>> <jonathanD at k2.com> wrote:
>> I know this is OT, but what are your experiences with IPv6? I have  
>> been itching to actively use IPv6 resources for a while, but I am  
>> just not there yet: any motivations to bump up my efforts (as a  
>> developer/end user)?
>>
>> Re XMPP: Add DNS AAAA records, make sure your jabber server listens/ 
>> connects if IPv6 is available, and it "just-works".
>>
>> Other stuff: Firefox and IE seem to just work too.
>>
>> Most _new_ libraries are supporting IPv6 transparently, so if  
>> you're using one of those you're fine.  If you're doing lower level  
>> networking then you might need to look at migrating to newer DNS  
>> lookups used for connecting. I migrated VIRC a few years back  
>> (patches still to be merged *sigh*), and the changes were pretty  
>> small.
>
> It's not always that simple, there's a lot of gateway issues we need  
> to take care of too. If I have a jabber server on IPv4 only,
> and your XMPP SRV records has IPv6 only, I need a configuration for  
> redirecting the jabber messages to an IPv4 to IPv6
> gateway. There are application level issues to handle migration  
> here, not only socket and DNS issues.

Is there any real world experience in this context?

Andre




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