Subject: [core] Observe and Multicast

From: "Rahman, Akbar" <[email-masked]>
Date: Thu, 13 Nov 2014 00:02:17 +0000

Hi Carsten/Oliver,

With regards to my comment on the "Stable Identifiers for CoAP Endpoints" here is the reference that I mentioned regarding the current lack of coupling of Observe and Multicast:

   "CoAP Observe [OBSERVE-CoAP] is a feature for a client to "observe"
   resources (i.e., to retrieve a representation of a resource and keep
   this representation updated by the server over a period of time).
   CoAP Observe does not support a group communication mode.  CoAP
   Observe only supports a unicast mode of operation."

   - See 3rd paragraph of http://tools.ietf.org/html/rfc7390#section-2.10 

This resulted from previous discussions on the mailing list with Klaus regarding support of multicast in Observe.

/Akbar

-----Original Message-----
From: core [mailto:[email-masked]] On Behalf Of Carsten Bormann
Sent: Wednesday, November 12, 2014 2:27 AM
To: Core
Subject: Re: [core] CoRE @ IETF91

On 11 Nov 2014, at 11:28, Carsten Bormann <[email-masked]> wrote:
> 
> On 11 Nov 2014, at 10:13, Carsten Bormann <[email-masked]> wrote:
>> 
>> I have uploaded a slide deck:
>> 
>> http://www.ietf.org/proceedings/91/slides/slides-91-core-0.pdf
> 
> Updated with slides as of 11:15.

And now with
— the correct slides from Zach about resource directory — updated slide set for Congestion Control — Output from today’s CoAP over TCP ad-hoc (all errors are mine)

Grüße, Carsten

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