Re: Issue: Support for IPv4 - IPv6 movements (#13)

Francis Dupont wrote:
>  In your previous mail you wrote:
> 
>    > => you can spread a bit the question: when an implementation supports
>    > many addresses for the same IPsec SA (cf RFC 3554, end of section 2),
>    > can the addresses mix IPv4 and IPv6?
> 
>    The IKEv2 spec clearly allows this i.e mixing IPv4 and IPv6 traffic
>   selectors on a single SA.  But these are inner addresses. I thought
>   Jari's question is about outer addresses ? Jari, can you clarify ?
>    
> => I've put the reference to avoid this issue: the question is about
> the outer addresses.

Yes, it is about the outer addresses.

Originally when I sent the e-mail I was thinking about movement
from an IPv4 address to an IPv6 address. But of course there's
a similar issue with multihoming, as discussed in RFC 3554.

As you Francis and Mohan pointed out, supporting multiple
outer and inner addresses is already in current specifications.
My expectation is that this should also work with MOBIKE, with
both movements and multihoming. I propose that we close this
issue until we find some evidence that we have a problem to
support this :-)

--Jari