Re: [Gen-art] Gen-ART Last Call review of draft-ietf-manet-olsrv2-dat-metric-08

Henning Rogge <henning.rogge@fkie.fraunhofer.de> Tue, 24 November 2015 15:09 UTC

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To: Paul Kyzivat <pkyzivat@alum.mit.edu>, <draft-ietf-manet-olsrv2-dat-metric.all@ietf.org>
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From: Henning Rogge <henning.rogge@fkie.fraunhofer.de>
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Date: Tue, 24 Nov 2015 16:09:37 +0100
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Subject: Re: [Gen-art] Gen-ART Last Call review of draft-ietf-manet-olsrv2-dat-metric-08
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Am 24.11.2015 um 16:00 schrieb Paul Kyzivat:
> So you are saying they are mutually exclusive: HELLO message by 9.4, all
> other packets by 9.3. Can you make the text clearer about this. As
> written it still could be interpreted as applying 9.3 to all packets,
> including HELLO, and then applying 9.4 to HELLO packets. (Even though
> this is nonsense if you think about it.)

No, it is NOT exclusive...

there is no Hello packet... there are just RFC5444 packets which might 
contain one (or in theory multiple) NHDP HELLO messages.

Its the same with IP and UDP... every UDP header is contained in an IP 
header. We are talking about two different levels of hierarchy.

DAT is processing both the RFC5444 packet header (which contains the 
packet sequence number) of ALL RFC5444 packets and the message content 
of the HELLO messages.

Henning Rogge


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