Re: [Autoconf] updated draft on aspects of multi-hop wireless communication

Emmanuel Baccelli <Emmanuel.Baccelli@inria.fr> Thu, 26 February 2009 08:11 UTC

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Date: Thu, 26 Feb 2009 09:11:58 +0100
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From: Emmanuel Baccelli <Emmanuel.Baccelli@inria.fr>
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Subject: Re: [Autoconf] updated draft on aspects of multi-hop wireless communication
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On Wed, Feb 25, 2009 at 11:35 PM, Thomas Heide Clausen <
ietf@thomasclausen.org> wrote:

>
> On Feb 25, 2009, at 17:06 PM, Alexandru Petrescu wrote:
>
>  Emmanuel Baccelli a écrit :
>>
>>> Alex, I think that what Charlie and Thomas want to say is basically:
>>> - A router typically has several physical interfaces
>>> - A router typically has just one MANET interface (although it may have
>>> several)
>>> - A router may have just one physical interface (for instance its MANET
>>> interface)
>>>
>>
>> Emmanuel, I agree with the first definition in the list.  I think it's
>> probably the most widely accepted definition, among the three.
>>
>> However, the draft pictures a router with only one interface, which is
>> only the third in the list.
>>
>>
> I think that the point is that in a MANET as it is commonly deployed, one
> quite often find routers which have just one physical interface.
>
> Thomas
>


... and if they have several interfaces, they typically have just one
interface of "type" MANET. This is why it make sense to present a
description of what's going on on MANETs reduced to a MANET-centric view,
where nodes typically have one (MANET) interface. However, again, there is
no issue with nodes having several interfaces (ex. HNA in RFC3626 etc.).

Emmanuel



>
>
>  Alex
>>
>>  Emmanuel
>>> On Mon, Feb 23, 2009 at 11:01 PM, Charles E. Perkins <
>>> charles.perkins@earthlink.net <mailto:charles.perkins@earthlink.net>>
>>> wrote:
>>>    Hello Alex,
>>>    On this point I disagree.  I think it is better to show the
>>>    routers with a single network interface -- which is what
>>>    they have in real life.  This is also the reason that techniques
>>>    like split horizon aren't appropriate.
>>>    Regards,
>>>    Charlie P.
>>>    Alexandru Petrescu wrote:
>>>        Emmanuel, AUTOCONFers,
>>>        Just a short clarifying point: I think it would be clarifying to
>>>        illustrate the routers to have two interfaces.  Routers with
>>>        only one
>>>        interface aren't very typical.
>>>        Just a note,
>>>        Alex
>>>        Emmanuel Baccelli a écrit :
>>>            Hi all,
>>>            following the fruitful discussions about initial version of
>>>            the document, here is an update to the draft describing
>>>            aspects of
>>>            multi-hop wireless communication:
>>>            http://www.ietf.org/internet-drafts/draft-baccelli-
>>> multi-hop-wireless-communication-01.txt
>>>            Again, the goal of this document is to identify a consensus
>>>            about
>>>            this topic, and then use this to move on quicker with the
>>>            rest of the
>>>            work...
>>>            Please review it, and provide feedback as soon as possible.
>>>            Cheers
>>>            Emmanuel
>>>
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