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To: Alain Durand <Alain.Durand@Sun.COM>
cc: <teemu.savolainen@nokia.com>, <dnsop@cafax.se>
From: just me <matt@snark.net>
Date: Fri, 14 Nov 2003 08:45:36 -0800 (PST)
In-Reply-To: <3FB42A92.1080200@sun.com>
Sender: owner-dnsop@cafax.se
Subject: Re: DNS discovery

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On Thu, 13 Nov 2003, Alain Durand wrote:

  So if I understand you correctly, you are concerned about a 100ms delay
  that will happen when the phone is initially turn on (setting up a pdp
  context) that could be used to send real traffic?

Teemu's not discussing initial registration on the GSM network. He's
discussing initial configuration of the IP stack; a completely
different process, and one that's actually on-topic here.

This generally happens when the user initiates features requiring IP
connectivity, like opening a WAP browser. The delay caused by extra
packets at this stage, opening the user application, is his concern.

While he is pointing at one specific case where extra traffic is a
nuisance, in general it seems to be good engineering to minimize RTT
delays in protocol negotiation.

matto

- --mghali@snark.net------------------------------------------<darwin><
   Flowers on the razor wire/I know you're here/We are few/And far
   between/I was thinking about her skin/Love is a many splintered
   thing/Don't be afraid now/Just walk on in. #include <disclaim.h>
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