Re: [Autoconf] new charter

HyungJin Lim <dream.hjlim@gmail.com> Fri, 27 February 2009 08:00 UTC

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Date: Fri, 27 Feb 2009 17:01:10 +0900
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From: HyungJin Lim <dream.hjlim@gmail.com>
To: cjbc@it.uc3m.es, alexandru.petrescu@gmail.com, ryuji.wakikawa@gmail.com
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Subject: Re: [Autoconf] new charter
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Hi Carlos,

See inline...

2009/2/27 Carlos Jesús Bernardos Cano <cjbc@it.uc3m.es>

> Hi Hyung-Jin,
>
>        Answer inline below...
>
> El vie, 27-02-2009 a las 10:37 +0900, HyungJin Lim escribió:
>  > Hi Carlos,
> >
> > This is Hyung-Jin, Lim
> >
> > I have a question.
> > See the inline....
> >
> >
> > 2009/2/27 Carlos Jesús Bernardos Cano <cjbc@it.uc3m.es>
> >         Hi Alex:
> >
> >                One question below.
> >
> >         El jue, 26-02-2009 a las 20:44 +0100, Alexandru Petrescu
> >         escribió:
> >         > Sorry, I made an error indeed putting same prefix.  How
> >         about this
> >         > updated picture with the prefixes being distinct:
> >         >
> >         >
> >         >          -----  wifi "adhoc1"  ------  wifi "adhoc2"  -----
> >         >         |Host1|---------------|Router|---------------|Host2|
> >         >          ----- LL1         LL2 ------ LL3        LL4  -----
> >         >                G1                                G4
> >         >
> >         >
> >         >         "adhoc1" and "adhoc2": 802.11 ESSIDs in "ad-hoc"
> >         mode.
> >         >                                Each is an IPv6 subnet.
> >         >         LL1...4: IPv6 link-local addresses.
> >         >                  Self-formed according to rfc2464.
> >         >         G1, G4:  IPv6 global addresses, for example
> >         >                  2001:db8:1::1/64 and
> >         >                  2001:db8:2::4/64
> >         >                  Manually assigned, or pre-configured with
> >         SNMP
> >         >                  or formed according to stateless autoconf
> >         rfc4862;
> >         >                  the prefixes are advertised by Router in
> >         RAs.
> >         >
> >
> >
> >         Does this model only apply to Host-Router-Host scenarios? I
> >         mean, does
> >         this model apply for Router-Router-Router scenarios? I fully
> >         agree the
> >         model fits the first scenario, but I don't for the second,
> >         since
> >         routers' mobility within the ad-hoc network would force them
> >         to change
> >         prefixes often, I guess. For those scenarios it might be
> >         better to think
> >         of addressing models in which MANET routers are configured
> >         with /128
> >         (or /32 for IPv4) addresses, so they don't need to change
> >         their
> >         addresses as a result of link changes.
> >
> > Does AUTOCONF not consider "ad-hoc network to Internet" scenario ?
> > If so, I agree your comment.
> > But if not, your pointing out is not reasonable I think.
> > In case of this situation, MANET routers may need to change their
> > addresses for connectivity/packet forwarding/packet routing to
> > Internet.
>
> I think AUTOCONF considers connection to Internet, but even in that
> case, I think my comment still holds. It's true that in a connected
> scenario, the addressing depends on the infrastructure the MANET is
> attached to,


 Right !


> but this doesn't necessarily imply that inner nodes have to
> change their addresses when move within the same MANET.


In here, I think there are many assumptions and requirements.
We should identify some aspects in relation to address configuration in
MANET and AUTOCONF.

Best regards,
Hyung-Jin, Lim

>
>
> Kind Regards,
>
> Carlos
>
> >
> > Best regards,
> > Hyung-Jin Lim
> >
> >
> >
> >         Kind Regards,
> >
> >         Carlos
> >
> >         --
> >
> >          Carlos Jesús Bernardos Cano     http://www.netcoms.net
> >          GPG FP: D29B 0A6A 639A A561 93CA  4D55 35DC BA4D D170 4F67
> >         ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >          WEEDEV 2009: 2nd Workshop on Experimental Evaluation and
> >                Deployment Experiences on Vehicular networks
> >                          http://www.weedev.org/
> >         ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >
> >
> >         _______________________________________________
> >         Autoconf mailing list
> >         Autoconf@ietf.org
> >         https://www.ietf.org/mailman/listinfo/autoconf
> >
> >
> --
>   Carlos Jesús Bernardos Cano     http://www.netcoms.net
>  GPG FP: D29B 0A6A 639A A561 93CA  4D55 35DC BA4D D170 4F67
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  WEEDEV 2009: 2nd Workshop on Experimental Evaluation and
>        Deployment Experiences on Vehicular networks
>                  http://www.weedev.org/
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>