Re: [Autoconf] new charter

Alexandru Petrescu <alexandru.petrescu@gmail.com> Fri, 27 February 2009 15:18 UTC

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Date: Fri, 27 Feb 2009 16:18:46 +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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  ------  wifi "adhoc1"  ------  wifi "adhoc2"  -------- Satelite /
|NEMOMR|---------------|Router|---------------|Gatewway|--------Int'net
  ------ LL1         LL2 ------ LL3        LL4  --------  TCA1    \
         G1                                 G4

        LL1...4: IPv6 link-local addresses.
                 Self-formed according to rfc2464.
        G1: address formed by NEMOMR either from RA sent by Router, or
            by DHCPv6 considering Router is a DHCPRelay and Gateway is
            a DHCPServer.
        G4: ?
        TCA: Topologically-Correct Address, for Gateway.  It can be
             manually configured on Gateway, or DHCP, or stateless
             autoconf.

HyungJin Lim a écrit :
> If the gateway has one hop distance from the router, and has IPv6 
> capability,  then, the router can get TCA from the gateway I think.

Yes, it could. But in that case we should come up with a means for
Gateway to obtain not only a TCA1 from the Internet but additionally an
entire prefix. Out of this prefix Gateway could form its G4 and put it
in RA, and finally Router forms its G address (TCA2 let's say). Without
that prefix Router couldn't get a TCA2 from Gateway.

(Now I realize that by "G" and "TCA" we actually mean the same thing; we
should use just one.)

Alex

> This operation is the basic operation.
>  Is it right ?
>  
> Hyung-Jin, Lim
> 
> 
> 
>     Alex
> 
> 
>         I think we consider MANET-like situation.
> 
> 
> 
>                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.
> 
>          Please refers to the above my opinion.
>          Hyung-Jin Lim
>          
> 
>            Alex
> 
> 
> 
> 
> 
>