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Zeroconf keep-alive WAS: RE: zeroconf draft
Hi Pekka,
>
> > > ==> this brings other two points: 1) how does the client know when
> > > the tunnel no longer works if there are no keepalives (the router
> > > could die, the client could move to another network which cannot
> > > tunnel to the tunnel server etc.), and 2) how does the server
> > > perform garbage collection (if applicable) on the users.
> > >
> >
> > What we try is to say that is that no pro-active measures should
> > need to be taken by the hosts/servers to maintain
> > link-sustainability. This doesn't mean that re-active measures
> > cannot be taken and we explicitly state that mechanism comparative
> > to NUD should be available for this purpose.
>
> Does NUD count as proactive measure? You can consider it both ways,
> if it probes about every 30 seconds if there hasn't been traffic.
>
but it doesn't. NUD only probes when the
node is sending packets towards the
destination - right ?
BR, Karen