Re: [hybi] Are keep-alives necessary? Was: Re: NAT reset recovery? Was: Extensibility mechanisms?

Bill de hOra <bill@dehora.net> Thu, 22 April 2010 23:16 UTC

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Date: Fri, 23 Apr 2010 00:16:31 +0100
From: Bill de hOra <bill@dehora.net>
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Subject: Re: [hybi] Are keep-alives necessary? Was: Re: NAT reset recovery? Was: Extensibility mechanisms?
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> On Mon, Apr 19, 2010 at 4:36 PM, Vladimir Katardjiev <vladimir@d2dx.com> wrote:
> 
> Having said that, from a mobile perspective this is disastrous. 
 > In the worst-case scenario, if your keepalive interval is 5 minutes,
 > you could end up sending a keepalive message every 2.5 minutes.
> This would wake up the radio twice as often, and, consequently, 
> halve battery life. 

This depends on the network, eg if a keepalive shifts you up to CELL_DCH 
then you will burn more battery than if you were shifted to CELL_FACH. 
Battery life is very much a function of the network.

Bill