Re: [Autoconf] new charter

HyungJin Lim <dream.hjlim@gmail.com> Fri, 27 February 2009 01:36 UTC

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Date: Fri, 27 Feb 2009 10:37:16 +0900
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From: HyungJin Lim <dream.hjlim@gmail.com>
To: cjbc@it.uc3m.es
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Cc: Autoconf@ietf.org
Subject: Re: [Autoconf] new charter
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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.

Best regards,
Hyung-Jin Lim



>
> Kind Regards,
>
> Carlos
>
> --
>   Carlos Jesús Bernardos Cano     http://www.netcoms.net
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