Subject: [Monami6] Re: Returning Home in MCoA draft

From: Ryuji Wakikawa <[email-masked]>
Date: Thu, 13 Apr 2006 12:12:39 +0900

Hi Keigo

Sorry for my long silence.

If MN creates a CoA at home and HA keeps intercepting packets, it does not mean that MN returns home.
IMO, your explanation here sounds like MN just returns to a subnet where HA operates. 
So, no protocol modification is necessary. what do you think?

ryuji

At Thu, 30 Mar 2006 11:28:50 +0900,
Keigo Aso wrote:
> 
> Hi Ryuji and all,
> 
> Thank you for your comments at Dallas.
> I would like to start subsequent discussion about returning home issue
> on ML. What we wanted to mention in our presentation is the need of
> creating CoA in home network. This enables HA to switch forwarding
> destination even if MN is connected to home.
> 
> According to current MCoA draft, there are two options which MN could
> select. The first situation is "a mobile node wants to return home",
> which basically means "a mobile node wants to use the home attached
> interface". The second situation is "a mobile node does not want to
> return home", which basically means "a mobile node wants to use 
> the foreign attached interface". 
> About these options, I think MCoA draft should include another option 
> as the third situation, which is "a mobile node wants to use both
> interfaces".
> This option is useful for enabling HA to do flow control.
> Moreover, MCoA draft said that "The decision whether a mobile node
> returns home or not is up to implementors.". 
> This could be applied to also the third situation.
> What do you think on this ?
> 
> Regards,
> Keigo
> 

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