[AusNOG] Strange ADSL problem - troubleshooting / diagnosis advice wanted

[Guy Ellis]

It's called Seamless Rate Adaption (SRA) and is part of the ADSL2+ 
standards.

You might be confusing it with Vectoring as in the case of VDSL2?

  - G.

On 10/09/2014 3:28 PM, Jeremy Visser wrote:
> On 10/09/14 14:39, Paul Brooks wrote:
>> ADSL2+ is supposed to re-train to a new sync rate seamlessly without
>> packet drops, whereas the older ADSL1 had to effectively drop the
>> line, re-sync, generate a new bitfield table per tone to cope with
>> changes to background noise and cross-talk that caused a need for a
>> re-sync.
> I thought that was a feature of VDSL2, not ADSL2+.
>
> I’d be interested to see a source on that as happy to be wrong.
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-- 
Guy Ellis
guy at traverse.com.au
www.traverse.com.au
T: +61 3 9386 4435 M: +61 419 398 234