Re: [Autoconf] new charter

Alexandru Petrescu <alexandru.petrescu@gmail.com> Fri, 27 February 2009 14:27 UTC

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Date: Fri, 27 Feb 2009 15:27:24 +0100
From: Alexandru Petrescu <alexandru.petrescu@gmail.com>
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To: HyungJin Lim <dream.hjlim@gmail.com>
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Subject: Re: [Autoconf] new charter
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HyungJin Lim a écrit :
> Hi Alex,
> 
> 2009/2/27 Alexandru Petrescu <alexandru.petrescu@gmail.com 
> <mailto:alexandru.petrescu@gmail.com>>
> 
>     Hi Hyung-Jin,
> 
>     HyungJin Lim a écrit :
>     [...]
> 
>         Host1 may be a Router I think. This router may be mobile router.i.e,
>         NEMO. In disaster environment, this scenario is possible. Then,
>         gateway will use satelite channel. Considering your case, Host1 will
>         get his address from the upper router (case 1) or the gateway (case
>         2).
> 
> 
>     Something along these lines?:
> 
>      ------  wifi "adhoc1"  ------  wifi "adhoc2"  -------- Satelite /
>     |NEMOMR|---------------|Router|---------------|Gatewway|--------Int'net
>      ------ LL1         LL2 ------ LL3        LL4  --------          \
>            G1                                 G4
> 
>           LL1...4: IPv6 link-local addresses.
>                    Self-formed according to rfc2464.
>           G1: formed by NEMOMR either from RA sent by Router, or by
>           DHCPv6 considering Router is a DHCPRelay and Gateway is
>           a DHCPServer.
>           G4: ? 
> 
>  
>    G4 is Router? or G4 is Gateway ?

G4 denotes the Global address of the Gateway, on the wifi "adhoc2" subnet.

> I guess G4 is located on the link to 
> Gateway, in side of Router.
> First of all, Gateway now has topologically correct address(TCA) to 
> Internet.

Yes, Gateway has a topologically-correct address, TCA if you wish; on 
its Satelite  interface.

> Also, Router should have TCA by any address configuration mechanisms.

Why should Router have a TCA?

> For example, RA sent by Gateway, or any other address conf. mechanisms.
> Is it right ?

I'm not sure why the intermediary Router should have any other address 
than its link-local addresses.

Alex