[Ns-developers] Does NS2 /NS3 support IPv6 ?

[Tom Henderson]

>>
>> I was thinking, for starters, to try to add IPv6 addresses to 
>> interfaces.  For IPv4, I aligned things with how struct in_device 
>> stores possibly multiple struct in_ifaddrs; this became class 
>> Ipv4InterfaceAddress.  The equivalent for IPv6 seems to be struct 
>> rt6_info, so I was wondering whether we might define a class 
>> Ipv6InterfaceAddress similarly, based on struct rt6_info.
> 
> rt6_info is for routing (=> Ipv6Route).

Yes, you are right, I mixed that up in my notes.  I should have said 
inet6_ifaddr

> The way I deal with many addresses by interface have not change from 
> what I did with svnet.u-strasbg.fr's ns-3-ipv6 repository, so 
> Ipv6InterfaceAddress which contains address, mask, scope (link-local, 
> global, ...) and state (tentative, tentative optimistic, preferered, 
> permanent, homeaddress, ...). Then Ipv6Interface which have a list of 
> Ipv6InterfaceAddress.

OK, sounds like what I was suggesting.

> 
> I think we may do more than just adding address to interface. In fact 
> there are not so many differences on routing stuff between IPv4 / IPv6 
> just special handling for multicast link-local (For the moment in IPv6 
> version of ns-3-ip, I do not pass by routing mechanism I directly sent 
> or receive). For global multicast routing I think it works the same as 
> IPv4 .

OK, thanks,

Tom