[Bloat] CFP: Workshop on Reducing Internet Latency

MUSCARIELLO Luca IMT/OLN luca.muscariello at orange.com
Tue Dec 10 03:48:13 EST 2013


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



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