Re: [Manet-dt] OLSRv2 NHDP comments

"Ian Chakeres" <ian.chakeres@gmail.com> Tue, 18 April 2006 15:45 UTC

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Date: Tue, 18 Apr 2006 08:45:44 -0700
From: "Ian Chakeres" <ian.chakeres@gmail.com>
To: "Dearlove, Christopher (UK)" <chris.dearlove@baesystems.com>
Subject: Re: [Manet-dt] OLSRv2 NHDP comments
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Name = NHDBB - Seems like NHD is an agreed upon acronym and BB is our
acronym for  common building blocks. It ain't pretty, but it is there.

HELLO - If people like HELLO, I can learn to like it.

MIN_INTERVAL - Chris has given me the freedom to set MIN_INTERVAL
arbitrarily small. So I'm ok with MUST.

Is removing the 2-hop (limiting) statement important to anyone?

Ian

On 4/18/06, Dearlove, Christopher (UK) <chris.dearlove@baesystems.com> wrote:
>
> Thomas
> > I feel that having an upper limit on the control traffic, which a
> given
> > protocol is able to generate, is very useful. Without restricting the
> > interval between subsequent transmissions of HELLO messages, I could
> > easily envision an implementation which would NOT be doing the right
> > thing and end up eating all available bandwidth in a region.
>
> Agreed so far.
>
> > however I strongly believe that such MUST be imposed as a MUST.
>
> That doesn't totally convince me that SHOULD isn't acceptable. SHOULD
> does after all mean something stronger than just "if you feel like it".
>
> However in one sense the argument is academic. A node may have a
> minimum interval, and it may absolutely respect it. But if we allow
> a node to set its own values (as discussed elsewhere) then the node
> could set that interval to zero (or if zero isn't allowed, as close
> to zero as makes no difference). And I can't see that we have the
> knowledge to provide absolute constraints on the minimum interval.
>
> On that basis, I'm happy with MUST, as (assuming that a node's
> parameters must be available in some sense - device documentation
> for example if fixed) this gets most of the best of the two
> (MUST/SHOULD) options.
>
>
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