Re: [conex] Draft "Pre-congestion notification in mobile networks"

STUART VENTERS <stuart.venters@adtran.com> Mon, 12 March 2012 15:59 UTC

From: STUART VENTERS <stuart.venters@adtran.com>
To: "sebastien.jobert@orange.com" <sebastien.jobert@orange.com>
Thread-Topic: Draft "Pre-congestion notification in mobile networks"
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Date: Mon, 12 Mar 2012 15:59:40 +0000
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Subject: Re: [conex] Draft "Pre-congestion notification in mobile networks"
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Sebastien,

You bring up an interesting point about fairness in a wireless network.

Since the radio path quality may be different from handset to handset,
    the amount of radio resources required to transport a given number of bits may also be different.

To be fair, should each handset get the same number of bits or the same number of radio resources?
  (Or, more likely,  as you suggest in section 6, a combination of the two.)

This seems as much a marketing issue as a technical one, so I would expect each carrier to want to be able to choose the cost function combining these two factors.  I agree with you that just counting the bytes is not enough.


Cheers,

Stuart







________________________________
From: conex-bounces@ietf.org [mailto:conex-bounces@ietf.org] On Behalf Of sebastien.jobert@orange.com
Sent: Thursday, March 08, 2012 6:51 PM
To: conex@ietf.org
Cc: isabelle.hamchaoui@orange.com
Subject: [conex] Draft "Pre-congestion notification in mobile networks"

Hi all,

We have uploaded an Internet-Draft called "Pre-congestion notification in mobile networks" - http://www.ietf.org/id/draft-jobert-tsvwg-pre-congest-notif-mobile-00.pdf

Abstract

   Mobile networks may be divided into two main segments: the radio
   segment, and the wireline segment. This document highlights that the
   algorithms leading to pre-congestion notification (e.g. ECN marking)
   are usually significantly different for these two segments, and not
   defined or documented in general over the radio segment. It also
   explains that using ECN bits leads to having a unique signal for
   notifying a pre-congestion related to two separate segments with
   very different notification algorithms. Some consequences are
   questioned, as well as the potential benefits of being able to
   identify where the congestion comes from. This document finally
   discusses the possibility to take into account the radio conditions
   of the terminals when counting the volume of congestion over the
   radio segment.

It has been posted in TSVWG, but some aspects discussed in this draft are related to discussions in CONEX, and might be of interest to the WG.
We are interested by review and comments.

Thanks.

Best Regards,

Sébastien JOBERT
Orange Expert, network synchronization and QoS in mobile networks
Orange Labs, Networks & Carriers - France Telecom Orange
sebastien.jobert@orange.com<mailto:sebastien.jobert@orange-ftgroup.com>

[conex] Draft "Pre-congestion notification in mob… sebastien.jobert
Re: [conex] Draft "Pre-congestion notification in… STUART VENTERS
Re: [conex] Draft "Pre-congestion notification in… sebastien.jobert