[AusNOG] Discussion point: Why aren't the NBNCo tails symmetric in speed?

[Joseph Goldman]

Looking at the document, TC-2 symmetrical service for 40M (highest 
available) is a lease of $256.00 / month for the EU circuit, + 
associated costs of TC-2 CVC ($1,000.00 for 50mbit starting point).

On 09/04/14 09:32, Tony wrote:
> "recently" as in 21 days in the future from now ! That doc is dated 
> 30/04/2014 ;)
>
> As others have already stated, the asymmetrical nature of the tail 
> speeds is due to the use of GPON.
>
> I would assume the 40M/40M TC2 product is just a 100/40 tail with the 
> downstream limited to 40M to make it symmetrical ?
>
> It's interesting to see TC2 available now. Is TC3 released yet ?
>
> If you want a symmetrical tail above 40M, then you're still going to 
> be better going to the traditional carriers that you would use now. IF 
> at some point in the future NBN fibre is actually rolled out and IF at 
> some point the 1000/400 product becomes widely available and IF TC3 is 
> available for the full 1000/400 of the service then it would be 
> something that MIGHT compete with going and buying fibre from whoever 
> you would now. About two years ago Telstra & Optus (and quite probably 
> AAPT, PIPE, others as well) dropped the pricing on a 100M fibre tail 
> service in anticipation of competition from NBN. This is guaranteed 
> 100M symmetrical bandwidth between the two points, no asymmetrical and 
> I don't have to buy some "class" of traffic to make sure my traffic 
> makes it from A to B.
>
> I'm not sure of which of all of those bits in the NBN pricelist I 
> need. Can someone who knows tell me what it would cost for that 40M 
> symmetrical TC2 service from NBN ?
>
>
> regards,
> Tony.
>
>
> On Wed, 09 Apr 2014 08:09:10 +1000, myNBN Admin <admin at mynbn.info> wrote:
>
>> Recently, NBN Co made TC-2 AVCs available that do provide symmetrical 
>> speeds of up to 40Mbps/40Mbps.  This isn't Traffic Class 4… but it is 
>> a symmetrical product provided by NBN Co.
>>
>> See Page 6 for pricing: 
>> http://nbnco.com.au/content/dam/nbnco/documents/sfaa-wba2-product-catalogue-price-list_20140430.pdf
>>
>> ---
>> Regards,
>> Kenneth Tsang
>>
>> myNBN.info | creator and developer
>> E: admin at mynbn.info | T: @mynbninfo
>>
>> myNBN is not affiliated with NBN Co and is an independent tracking 
>> website.  This email is confidential and is subject to copyright. 
>> They are intended solely for the intended addressee of the electronic 
>> mail and may only be copied, distributed or disclosed with the 
>> consent of the copyright owner.
>>
>>
>> On Monday, 7 April 2014 at 8:52 PM, Skeeve Stevens wrote:
>>
>>> Hey all,
>>>
>>> I am sure this will spurn a healthy discussion... perhaps with 
>>> conflicting views...
>>>
>>> But I was wondering the other day 'Why aren't NBNCo tails sold as 
>>> symmetric speeds?'
>>>
>>> Considering:
>>>
>>> - The transit the RSP buys is symmetric (nearly always)
>>> - The network core of the RSP is symmetric
>>> - The handoff to either NBNCo or an aggregator (and then NBNCo) is 
>>> pretty much always symmetric
>>> - The PoI's core is symmetric
>>> - The fibre to the home is symmetric capable
>>> - The NTU is just ethernet - symmetric
>>> - Anything they plug into the NTU is symmetrical - ethernet
>>>
>>> Google Fibre in the US is 1G/1G in speeds...
>>>
>>> So... unless I am missing something obvious (always possible)... Why 
>>> are NBNCo tails not sold as symmetrical speeds?
>>>
>>> I am not sure why there is this artificial design in these products 
>>> to make them asymmetric.  There doesn't seem to be any gain by doing 
>>> this that I can think of.
>>>
>>> Gone are the days of DSL like speeds and unbalanced design... even 
>>> ATM was symmetrical.
>>>
>>> Keen for peoples opinions.
>>>
>>> ...Skeeve
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