RE: issue 11 -- window size

I agree.  I think it's reasonable to expect a window size > 1.

-g 

> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of Stephane Beaulieu
> Sent: Wednesday, March 30, 2005 12:41 PM
> To: 'Jari Arkko'; [email protected]
> Subject: RE: [Mobike] issue 11 -- window size
> 
> I think we should expect implementations to support a window 
> size > 1.  I think eventually people will need to do this for 
> things like DPDs, DELETEs, Notifies, rekey overlaps, etc... 
> to work properly.
> 
> Remember that the bakeoff implementations haven't been 
> deployed yet.  They haven't suffered the consequences of a 
> very small window yet.
> 
> Stephane.
> 
> > -----Original Message-----
> > From: [email protected]
> > [mailto:[email protected]] On Behalf Of Jari Arkko
> > Sent: Wednesday, March 30, 2005 9:30 AM
> > To: [email protected]
> > Subject: [Mobike] issue 11 -- window size
> > 
> > 
> > This issue is about the window size. Mobike needs to be 
> able to send 
> > multiple messages, given that a regular IKEv2 exchange may be in 
> > progress when we suddenly change our IP address.
> > The question is whether we should expect IKEv2 implementations to 
> > support window size greater than 1, or if Mobike's own 
> exchanges are 
> > in some sense outside the regular
> > IKEv2 window (as proposed in Pasi's MOPO protocol).
> > 
> > The background information we got in the meeting was that 
> in the IKEv2 
> > bakeoff many implementors did not have support for larger than 1 
> > window sizes.
> > 
> > So we could either require a larger window size or do 
> MOBIKE exchanges 
> > outside the window. I did not sense a conclusion in the 
> meeting about 
> > this, but on the other hand I'm not sure if people care about this 
> > issue very deeply. For the purpose of making progress, let 
> me propose 
> > one approach. If the decision was "do it outside the window", would 
> > people have problems with that?
> > 
> > --Jari
> > 
> > 
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