Hi Peter, I'm working on a mobile IM based on XMPP, I'd like to be there when you start. Please include me in your list.
Thanks Daniele On 30 Oct 2013 14:44, "Peter Waher" <[email protected]> wrote: > Hello Mark & Dave.**** > > ** ** > > Thanks for the info. I’ve added it to the list of ideas to study before we > produce the proposal for battery sensors.**** > > ** ** > > As you say, there are various things you might need to think about when it > comes to battery powered devices. Bandwidth, packet size, memory, cpu (CPU > drains battery), etc. The most important is battery life time. Many sensors > might have work for up to 10 years without replacing battery. For this to > work you also need to take sleeping into account, and how systems interact > with devices that are only intermittently (albeit regularly) connected to > the network, etc. Then of course, there’s the problem of bandwidth > throttling. If a device is in a low power mode (which is a higher state > than sleep mode), how can you make sure you can still send important > messages to it?**** > > ** ** > > Anybody interested in these questions, please let me know, and I’ll > include you when the time comes to start working on the extensions. (People > who have already expressed their interest are already added to the list.)* > *** > > ** ** > > Best regards,**** > > Peter Waher**** > > ** ** > > ** ** > > *From:* Dave Cridland [mailto:[email protected]] > *Sent:* den 29 oktober 2013 17:23 > *To:* XMPP Standards > *Subject:* Re: [Standards] Standard for Throttling/Queueing Stanzas**** > > ** ** > > On Tue, Oct 29, 2013 at 6:41 PM, Mark Rejhon <[email protected]> wrote:** > ** > > You might want to peek at:**** > > http://xmpp.org/extensions/xep-0286.html**** > > It's deferred, but it also pertains to efficiency for battery powered > devices. **** > > Most of what it says also applies to battery powered sensor, with a few > modifications.**** > > ** ** > > Mostly it concerns itself with power drain due to 3G radio levels.**** > > ** ** > > I'd imagine that for sensor devices, the memory/bandwidth tradeoffs may be > different for compression, for example.**** >
