Re: [core] Do we need a CORE charter item for CoAP support of Sleepy Nodes?

Rick Bullotta <rick.bullotta@thingworx.com> Tue, 06 August 2013 14:28 UTC

From: Rick Bullotta <rick.bullotta@thingworx.com>
To: Kovatsch Matthias <kovatsch@inf.ethz.ch>
Thread-Topic: [core] Do we need a CORE charter item for CoAP support of Sleepy Nodes?
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Date: Tue, 06 Aug 2013 13:42:52 +0000
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Subject: Re: [core] Do we need a CORE charter item for CoAP support of Sleepy Nodes?
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Would it be more accurate for #2 to state that the application actively controls when to *wake*? Small but important semantic difference.  

On Aug 6, 2013, at 9:13 AM, "Kovatsch  Matthias" <kovatsch@inf.ethz.ch> wrote:

>> I agree too with what Zach and Peter say. Sleepy nodes have to be
>> considered vertically through the stack so it goes beyond the reach of what is
>> being done in CoRE.
> 
> For a CoAP endpoint there are basically two ways to enable sleep:
> 1) Sleeping is managed transparently through the network stack and the application does not need to care ("radio duty cycling")
> 2) The application actively controls when to sleep, usually for longer periods ("sleepy nodes")
> 
> For the latter case, the application layer requires infrastructure support along the lines of draft-vial-core-mirror-server or draft-fossati-core-publish/-monitor-option (basically advanced cache control).
> 
> Zach has a valid point, though, that the WG currently has enough to do. However, this advanced cache control should be kept in mind...
> 
> Ciao
> Matthias
> 
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> core mailing list
> core@ietf.org
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[core] Do we need a CORE charter item for CoAP su… Rahman, Akbar
[core] Do we need a CORE charter item for CoAP su… Rahman, Akbar
Re: [core] Do we need a CORE charter item for CoA… Salvatore Loreto
Re: [core] Do we need a CORE charter item for CoA… Pete St. Pierre
Re: [core] Do we need a CORE charter item for CoA… Keoh, Sye Loong
Re: [core] Do we need a CORE charter item for CoA… Kovatsch Matthias
Re: [core] Do we need a CORE charter item for CoA… Pierpaolo Giacomin
Re: [core] Do we need a CORE charter item for CoA… peter van der Stok
Re: [core] Do we need a CORE charter item for CoA… Mani, Mehdi
Re: [core] Do we need a CORE charter item for CoA… Zach Shelby
Re: [core] Do we need a CORE charter item for CoA… Robert Cragie
Re: [core] Do we need a CORE charter item for CoA… Kovatsch Matthias
Re: [core] Do we need a CORE charter item for CoA… Rick Bullotta
Re: [core] Do we need a CORE charter item for CoA… Kovatsch Matthias
Re: [core] Do we need a CORE charter item for CoA… Rahman, Akbar
Re: [core] Do we need a CORE charter item for CoA… Alessandro Bassi
Re: [core] Do we need a CORE charter item for CoA… Zach Shelby
Re: [core] Do we need a CORE charter item for CoA… Carsten Bormann
Re: [core] Do we need a CORE charter item for CoA… Dijk, Esko
Re: [core] Do we need a CORE charter item for CoA… Dijk, Esko
[core] Reminder for chair review of draft-ietf-co… Rahman, Akbar