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Re: [core] Designs to resolve streaming issues in SenML

"Cullen Jennings (fluffy)" <fluffy@cisco.com> Mon, 25 January 2016 22:14 UTC

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From: "Cullen Jennings (fluffy)" <fluffy@cisco.com>
To: Carsten Bormann <cabo@tzi.org>
Thread-Topic: [core] Designs to resolve streaming issues in SenML
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Date: Mon, 25 Jan 2016 22:14:44 +0000
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Cc: core <core@ietf.org>
Subject: Re: [core] Designs to resolve streaming issues in SenML
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> On Jan 13, 2016, at 7:30 AM, Carsten Bormann <cabo@tzi.org> wrote:
> 
> Cullen Jennings (fluffy) wrote:
>> pro / cons of the -03 design vs -04 design.
> 
> One comment I made when this was discussed in Yokohama was that the -04
> design makes the processor examine every single measurement record
> whether there is a change to the base values (and, if there are only
> changes to base values so that record isn't really a measurement
> record).  That might impede high speed processing a bit.  E.g., it could
> become harder to merge two time sequences because each single entry in
> them might be changing a base value that is relevant to entries in the
> other stream.  But I haven't implemented either model, so that is just a
> hunch.
> 
> Apart from that kind of consideration, that part of the approach -04 is
> pretty much equivalent to -03.
> 
> Grüße, Carsten
> 
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Seems like a good argument for only the first record can have base values. Any objections to making that change for next version ?

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