Re: [nemo] NEMOv4 vs DS-MIPv6

[Vijay Devarapalli <[e-mail]>]

Alexandru Petrescu wrote:
> I suggest using IPv4-mapped IPv6 addresses in the Prefix Table whenever
> the HoA of MR is an IPv4 HoA (and not simple 32bit IPv4 addresses in the
> NEMOv6 Prefix Table).  I am not sure though about the IPv4 MNP.  There
> seems to be no specification about how to use an IPv4 prefix in the
> v4-mapped v6 form, I've checked rfc4038 (app aspects of v6 trans) and
> 4291 (v6 addr arch).
> 
> The confusion that may arise representing a v4 MNP in v4-mapped form is
> illustrated by the following two representations saying same thing but
> written completely differently:  ::ffff:1.0.0.0/8
>                                  ::ffff:1.0.0.0/102.
> The 8bits plen is from the v4 prefix, and 102bits plen is a v6 plen.
> 
> So, because of this IPv4 MNP issue I don't know what to put in the
> DS-MIPv6 Prefix Table.
> 
> Any idea?

we can extend the definition of Prefix Table to include
IPv4 mobile network prefixes in addition to IPv6 mobile
network prefixes. that would be the simplest.

Vijay