IMHO, this should be a binary value representative of the % of energy a device may have available at any given time. This covers solar, wind, etc and not simply "battery" as far as terminology is concerned. Who's to say a solar based geo-sync satellite might not be running as a p2psip node one day with battery backup on board? ;-)

jc

On Jul 29, 2009, at 4:40 AM, Erkki Harjula wrote:

Hi,

as requested in P2PSIP session yesterday, I restate here on the list my comment regarding battery status information.

I think including battery status information would be useful to include in the draft. It would be useful e.g. in peer/client mode decision or load balancing, where battery status information could be used to relieve the load of those nodes running on batteries (just two examples among many others!). As everybody knows, more and more devices nowadays, especially in P2PSIP scenarios, are battery operated.

The status info could be the remaining battery percentage, or simply a binary value telling whether the node is running on its batteries or not.

-Erkki

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