Re: [Seamoby] DoCoMo Implementation Issues with CTP

[Rajeev Koodli <[e-mail]>]

Raghu wrote:

> Question based on your suggestion,
> When Context trigger is generated, pAR sends PCTD to nAR.
> Let us say,
> IP Dest = NAR's IP (IPv4) is used and
> IP Src = PAR's IP  (IPv4) is used to send PCTD to nAR
>
> When MN sends CTAR with PAR= IPv6 to nAR,
> How does nAR verify and enable the contexts ?
>

Well, CTAR includes MN's IP(v4,v6) addresses. So does
PCTD. So, nAR can still match the contexts. Since the token
does not include PAR's address, verification can still be
done.

>
> > Is the confusion in whether `V' bits also refer to
> > PAR and NAR addresses ? If so, we should clarify that they
> > refer to MN's IP addresses only, and that the router address
> > must be either IPv4 or IPv6 but not both.
> >
> This description in the draft may clarify things, but how to
> identify the IP version AR in CT messages.
> I guess another V flag for AR might simply things.
>

Perhaps this is not necessary. (See above)

-Rajeev


>

>
> regards,
> Raghu
>
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