[AusNOG] NBN VDSL Speeds | Line Sync | Determining Max Throughput

[Robert Hudson]

Also note that given CVC costs, your sync speed is very unlikely to be your
usable end-to-end speed...

I know many people who had 100/40 services and downgraded themselves to
25/5 services because that's all they could get as meaningful Internet
access anyway...

On 14 March 2017 at 20:35, Damien Gardner Jnr <rendrag at rendrag.net> wrote:

> You'll sync at your purchased speed, with attainable rate showing your
> line's possible maximum.  E.g. I pay for 50/20, so sync at 55/22.  When I
> was previously paying for 100/40 on the same line, I was syncing at
> 110/44.  Not sure on attainable rate, as the HG658 doesn't show it :\
>
>
>
> On Tue, 14 Mar 2017 at 8:31 pm, Ben Cummings <bcummings at clublinks.com.au>
> wrote:
>
>> Hello All,
>>
>> Just a quick question that will likely be a quick answer for someone with
>> more familiarity on the subject matter.
>>
>> I haven't had much exposure to the inner workings of the NBN or xDSL (so
>> please excuse my ignorance) and haven't been able to find an answer
>> elsewhere.
>>
>> I'm not too far away from getting FTTN at home, and am curious as to
>> whether my standard 25/5 plan will show me a line sync speed of let's say
>> for arguments sake, 65000 but have a maximum throughput of 25000 set
>> further upstream by the RSP (thus suggesting a 50Mbps plan would allow me
>> to use up to the full 50Mbps, but that I wouldn't be able to achieve near
>> full utilisation of a 100Mbps service) -or- would a 25/5 service show my
>> line sync as 25000 and provide me no real indication of what I could
>> theoretically push through the copper after attenuation, equipment choice
>> and cable wear and tear comes in to play if the cap were taken off.
>>
>> Any insights or wisdom on this would be greatly appreciated.
>>
>> Kind Regards,
>>
>> Ben Cummings
>> Clublinks
>>
>>
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>
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