Subject: RE: [Mobike] issue #16

From: Tschofenig Hannes <[email-masked]>
Date: Tue, 21 Dec 2004 13:46:48 +0100

hi jari, 
 
please see a small comment below: 

> -----Original Message-----
> From: Jari Arkko [mailto:[email-masked]] 
> Sent: Dienstag, 14. Dezember 2004 15:51
> To: Joe Touch
> Cc: MOBIKE Mailing List; Tschofenig Hannes
> Subject: Re: [Mobike] issue #16
> 
> Joe Touch wrote:
> 
> > Internet paths that are silent aren't problems, IMO. 
> They're just idle 
> > network paths.
> 
> Yes.
> 
> > This sounds like a job for a link layer, and I don't think mobike 
> > needs to be a link layer.
> 
> The link layer certainly has its own mechanisms, as does IP 
> on top of it (e.g. IPv6 NUD). But these are for a link, what 
> we are talking about here is a path through the Internet. 
> More specifically, the question is what to do if IKEv2 DPD 
> tells us that its not getting through. Should we (a) kill the 
> connection or (b) switch to another address we have? I think 
> the latter...

i also agree with you here and i think that this is pretty much in line with
the approach taken by sctp. even if a problem is detected locally (e.g.,
problem with the network card) then sctp does not delete the ip address but
changes the preferred address. the problem might soon go away . 

ciao
hannes
> 
> --Jari
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