Hi John,

In that case we need a clarification and refinement on that text.

Alper

On Jun 6, 2014, at 7:21 PM, John Kaippallimalil wrote:

> Hi Alper,
> I did not intrepret it that way. The paragraph seemed broad enough to include 
> both (or all) cases.
> I found the charter to be broad enough – the current text would support a 
> solution regardless of the specific scenario/design.
>  
> But, if it the text is being interpreted in a specific way, I don’t have any 
> serious reservations against clarification.    
> 
> Best Regards,
> John
>  
> From: Alper Yegin [mailto:[email protected]] 
> Sent: Friday, June 06, 2014 10:53 AM
> To: John Kaippallimalil
> Cc: Jouni Korhonen; [email protected]
> Subject: Re: [DMM] draft charter text updates in github..
>  
> Hi John,
>  
> My reading of that sentence is different.
>  
> To me it says "We cannot assume that the solutions we are developing would be 
> available on all networks across the Internet".
>  
> While I'd agree with that statement, I don't know what it really means for 
> our solution design.
> Some of our solutions may not be present in a network, hence the MN cannot 
> use them. OK…. and??
>  
> In my reading, it does not say the following: "Network cannot always provide 
> IP session continuity, hence we need to define solutions that can deal with 
> this". (e.g., using MPTCP, or restarting flows, or some other magic, etc.).
> I don't think the intent of that sentence is this. And therefore, I don't 
> think that sentence is related to "anchor re-selection".
>  
> Alper
>  
>  
>  
>  
>  
> On Jun 6, 2014, at 5:56 PM, John Kaippallimalil wrote:
> 
> 
> Hi Alper, All:
>  
> Towards the end of the charter, there is a paragraph that states:
>      "Although the maintenance of stable home address(es) and/or prefix(es)
>       and upper level sessions is a desirable goal when mobile hosts/routers
>       change their point of attachment to the Internet, it is not a strict
>       requirement. Mobile hosts/routers should not assume that IP
>       addressing including home address(es) and/or home network prefix(es)
>       remain the same throughout the entire upper level session lifetime,
>       or that support for mobility functions is provided on the network side
>       in all conditions, unless these properties are specifically indicated
>       to the mobile node and its applications from the network."
>  
>  
> I suppose this clarifies that the “anchor re-selection” can apply to a single 
> session also?
> 
> BR,
> John
>  
>  
> > -----Original Message-----
> > From: dmm [mailto:[email protected]] On Behalf Of Alper Yegin
> > Sent: Friday, June 06, 2014 9:38 AM
> > To: Jouni Korhonen
> > Cc: [email protected]
> > Subject: Re: [DMM] draft charter text updates in github..
> > 
> > Hello Jouni, DMM folks,
> > 
> > We better clarify what "anchor re-selection" stands for.
> > If it is about selecting different anchors for different IP flows, that's 
> > one
> > thing.
> > If it is about changing the IP anchor in the middle of an IP flow, that's
> > another thing. And that other thing needs to be scoped out. A basic
> > understanding of a use case would be appreciated (just an explanation for
> > discussion, I'm not asking for another I-D!), and identification of various
> > aspects of that scenario which translate to work items for DMM WG.
> > 
> > I won't be in the call today. So, consider this for a discussion. Follow up 
> > on
> > the mailing list afterwards would be good.
> > 
> > Cheers,
> > 
> > Alper
> > 
> > 
> > 
> > On Jun 6, 2014, at 2:47 PM, Jouni Korhonen wrote:
> > 
> > > Folks,
> > >
> > > Minor changes..
> > >
> > > https://github.com/jounikor/dmm-re-charter/blob/master/recharter_draft.txt
> > >
> > > IMHO..the charter as it is today, would allow pretty much any solution 
> > > from
> > legacy anchoring to herd of pigeons carrying IP.. ;-)
> > >
> > > I have put in editorial changes of my own and clear text proposals 
> > > received
> > from others.
> > >
> > > - Jouni
> > >
> > > _______________________________________________
> > > dmm mailing list
> > > [email protected]
> > > https://www.ietf.org/mailman/listinfo/dmm
> > 
> > _______________________________________________
> > dmm mailing list
> > [email protected]
> > https://www.ietf.org/mailman/listinfo/dmm

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