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RE: DPD Notification messages in IKEv2

> > Hi,
> > I did not see any notification messages related to DPD in IKEv2-06
> > specifications.
> > Is there any plan to put these notifications in next version.
> > Regards,
> > Ravi
> The IKEv2 spec has said for some time that an empty exchange 
> (a message
> with no payloads) can be used for dead peer detection since 
> every message
> must be acknowledged including an empty one.
> Is some other form of notification message needed?

I do not believe so. I think we nailed this one already.