Re: [Autoconf] WG Review: Recharter of Ad-Hoc Network Autoconfiguration (autoconf)

HyungJin Lim <dream.hjlim@gmail.com> Wed, 04 March 2009 23:51 UTC

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Date: Thu, 5 Mar 2009 08:52:06 +0900
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From: HyungJin Lim <dream.hjlim@gmail.com>
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Subject: Re: [Autoconf] WG Review: Recharter of Ad-Hoc Network Autoconfiguration (autoconf)
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Inline...

2009/3/5 IESG Secretary <iesg-secretary@ietf.org>

> A modified charter has been submitted for the Ad-Hoc Network
> Autoconfiguration working group in the Internet Area of the IETF.  The
> IESG has not made any determination as yet.  The modified charter is
> provided below for informational purposes only.  Please send your comments
> to the IESG mailing list (iesg@ietf.org) by Wednesday, March 11, 2009.
>
> Ad-Hoc Network Autoconfiguration (autoconf)
> -------------------------------------------------------------
> Last Modified: 2009-02-18
>
> Current Status: Active Working Group
>
> Additional information is available at tools.ietf.org/wg/autoconf
>
> Chair(s):
> Ryuji Wakikawa [ryuji.wakikawa@gmail.com]
> Thomas Clausen [T.Clausen@computer.org]
>
> Internet Area Director(s):
> Jari Arkko [jari.arkko@piuha.net]
> Mark Townsley [townsley@cisco.com]
>
> Internet Area Advisor:
> Jari Arkko [jari.arkko@piuha.net]
>
> Mailing Lists:
> General Discussion: autoconf@ietf.org
> To Subscribe: https://www.ietf.org/mailman/listinfo/autoconf
> Archive:
> http://www.ietf.org/mail-archive/web/autoconf/current/maillist.html
>
> Description of Working Group:
>
> In order to communicate among themselves, ad hoc nodes (refer to RFC
> 2501) need to configure their network interface(s) with local addresses
> that are valid within an ad hoc network. Ad hoc nodes may also need to
> configure globally routable addresses, in order to communicate with
> devices on the Internet. From the IP layer perspective, an ad hoc
> network presents itself as a L3 multi-hop network formed over a
> collection of links.
>

In here, I have a question !
What's meaning of globally routable addresses ?
I think globally routable addresses should include topologically correct
address and topologically incorrect address.
The reason I address this is that the NEMO basic support should configure
topologically incorrect address in nested NEMO.
But topologically incorrect address is also globally routable addresses if
it a packet forwarding mechanism (e.g., tunneling) is supported, not packet
routing(e.g. OLSR, DYMO, etc.).


>
> The main purpose of the AUTOCONF WG is to describe the addressing model
> for ad hoc networks and how nodes in these networks configure their
> addresses. It is required that such models do not cause problems for ad
> hoc-unaware parts of the system, such as standard applications running
> on an ad hoc node or regular Internet nodes attached to the ad hoc
> nodes. This group's effort may include the development of new protocol
> mechanisms, should the existing IP autoconfiguration mechanisms be found
> inadequate. However, the first task of the working group is to describe
> one practical addressing model for ad hoc networks.
>

What's meaning of practical addressing model ?
Should we consider practical scenarios for practical addressing model in
real world ?
The only simplest scenario can satisfy requirements and other aspects in
more complex scenario which include Internet connectivity, nested pattern,
group mobility, wireless coverage, and so on.

I would like suggest to define some requirements for practical scenarios.
Then, the simplest scenario also can be considered as a base topic I think.

Hyung-Jin, Lim

>
> Once this sole work item is completed, the group can be rechartered to
> work on additional issues.
>
> Goals and Milestones:
>
> Apr 2009 Submit initial draft on address configuration in ad hoc networks
> Sep 2009 Submit address configuration draft to IESG as Informational or
> close WG
>
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