Re: [sip-overload] Issue: Multiple algorithms -> Single algorithm for overload control

Janet P Gunn <jgunn6@csc.com> Sun, 12 June 2011 00:49 UTC

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To: "Vijay K. Gurbani" <vkg@bell-labs.com>
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From: Janet P Gunn <jgunn6@csc.com>
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Subject: Re: [sip-overload] Issue: Multiple algorithms -> Single algorithm for overload control
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I am sure it was, it just hadn't sunk in for me.

I guess the wisdom of that value depends on the complexity of the 
algorithm for choosing the loss parameter. If it is a simple calculation 
it shouldn't matter.

Janet

"Vijay K. Gurbani" <vkg@bell-labs.com> wrote on 06/11/2011 06:46:27 PM:

> [image removed] 
> 
> Re: [sip-overload] Issue: Multiple algorithms -> Single algorithm 
> for overload control
> 
> Vijay K. Gurbani 
> 
> to:
> 
> Janet P Gunn
> 
> 06/11/2011 06:46 PM
> 
> Cc:
> 
> "sip-overload@ietf.org"
> 
> Janet P Gunn wrote:
> > Do I understanding that you are expecting an (already overloaded) SIP 
> > server to recalculate the desired "loss rate" twice a second?
> 
> Janet: I am not sure I understand your question.  If
> you are asking about the default value of the server's
> feedback period, it has been 500ms since the beginning
> of this work.
> 
> > Is that wise?
> 
> Recalculation by the overload server has to be done for
> any algorithm, right?
> 
> Thanks,
> 
> - vijay
> -- 
> Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent
> 1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60566 (USA)
> Email: vkg@{bell-labs.com,acm.org} / vijay.gurbani@alcatel-lucent.com
> Web:   http://ect.bell-labs.com/who/vkg/