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

[Tony]

 From what I can see in the doco, the CVC costs for TC-4 & TC-2 are the  
same (1.2 a & c) ? They are both $2000/100Mbps ? Regardless of whether you  
want to offer TC-2 or TC-4 this component of the cost model seems to stay  
the same ?

Does this mean that the only difference* in the cost of 40M TC-2 compared  
to 40M TC-4 is the difference in the AVC/UNI component, which is $38 for  
100/40 TC-4 and $256 for 40/40 TC-2 (so $218 extra) ?

Am I reading that right ?


* Of course you get 100/40 on a TC-4 service compared to 40/40 on a TC-2,  
but I am comparing them on the basis of being able to provide a 40M  
symmetrical service over both of them.


Thanks,
Tony.



On Wed, 09 Apr 2014 09:39:03 +1000, Joseph Goldman <joe at apcs.com.au> wrote:

> 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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