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From: MUSCARIELLO Luca IMT/OLN <luca.muscariello@orange.com>
To: Mikael Abrahamsson <swmike@swm.pp.se>, Matthew Ford <ford@isoc.org>
Cc: bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Bloat] CFP: Workshop on Reducing Internet Latency
Date: Tue, 10 Dec 2013 09:48:13 +0100	[thread overview]
Message-ID: <52A6D54D.5060504@orange.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1312100739200.24602@uplift.swm.pp.se>

On 12/10/2013 07:48 AM, Mikael Abrahamsson wrote:
>
> So I would have liked the above to not say "broadband lines" but 
> instead said ADSL(2+) broadband lines (because the above statement 
> only relates to ADSL(2+) afaik), and also that the packet losses can 
> be non-trivial for some and that ISPs don't turn on interleaving out 
> of ignorance. It's hard to measure customer impact of "errored 
> seconds" which is the only way the ISP can see packet losses. Also, 
> these errored seconds can be quite severer when it comes to number of 
> packets dropped.

it applies to ADSL to court.

>
> We actually did talk about having a self-service portal where the 
> customer could choose their preferred profile, either fast (no 
> interleaving), 4ms or 16 ms interleaving, and also their safety margin 
> to 6, 9 or 12 dB. Fast or 4ms interleaving worked well with 12 dB SNR 
> margin (which means lower latency but also lower access speeds), 
> whereas 6dB margin often required 16ms interleaving to work well. 

Was that successful? Did  customers use that?
Usually it is not, but I'd like to know about your experience.
Luca

  parent reply	other threads:[~2013-12-10  8:48 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-29  9:54 Mat Ford
2013-05-30  2:56 ` Dave Taht
2013-06-04 17:54   ` Jim Gettys
2013-06-11 10:51 ` Matthew Ford
2013-12-09 12:49 ` Matthew Ford
2013-12-10  6:48   ` Mikael Abrahamsson
2013-12-10  7:54     ` Neil Davies
2013-12-10  8:04       ` [Bloat] ADSL2+ interleaving (Re: CFP: Workshop on Reducing Internet Latency) Mikael Abrahamsson
2013-12-10  8:07         ` Neil Davies
2013-12-10  8:48     ` MUSCARIELLO Luca IMT/OLN [this message]
2013-12-10  9:36       ` [Bloat] CFP: Workshop on Reducing Internet Latency Mikael Abrahamsson
2013-12-10  9:40         ` MUSCARIELLO Luca IMT/OLN

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