[AusNOG] Netflix, AWS and Softlayer vs. Australia

[Nick Stallman]

I heard that the gigabit services were going to be on dedicated fibre, 
not GPON.

On 05/12/14 12:58, Jake Anderson wrote:
> Its true that at present congestion is going to be difficult to 
> achieve ;->
> They are also generally running a 20-25 way split (with a max of 32 or 
> so as you say) so even with all users on 100mbps you would be having a 
> bad time to hit the cap on 2.5gbps.
>
> But I *presume* that given they are offering gbit services (even if 
> none are available through RSP's) that nbnco would have the back end 
> systems to manage congestion in the wild.
>
>
> On 05/12/14 12:49, Tony wrote:
>> I fear we're straying wildly off-topic, but aren't they doing a 
>> 32-way split on 2.5Gbps of bandwidth ? Even if all of your 15 users 
>> are on 100Mbps plans (the max available right now) then they wouldn't 
>> be able to saturate the 2.5gbps bandwidth available (ie. 15 * 100 = 
>> 1.5gbps) ?
>>
>> NBN design specs also state that for SDU:
>>
>> "Extra fibres shall be allocated to provide future capacity. In total 
>> the effective allocation on average is three fibres per premises."
>>
>> And for MDU:
>>
>> "For the range of MDUs from Small to Large, if contained within the 
>> same building or in close vicinity, a ratio of 1.5 fibres per 
>> residential dwelling is used."
>>
>> So maximum number of premises connected right now should in theory 
>> only be 23-24 per splitter for MDU (32/1.5) and much less for SDU and 
>> hence under the maximum bandwidth for each split.
>>
>> There isn't that much chance for congestion on the NBN fibre tails.
>>
>>
>> http://www.nbnco.com.au/content/dam/nbnco/documents/nbn-network-design-rules.pdf
>>
>>
>>
>>
>> ------------------------------------------------------------------------
>> *From:* Jake Anderson <yahoo at vapourforge.com>
>> *To:* Paul Brooks <pbrooks-ausnog at layer10.com.au>; 
>> ausnog at lists.ausnog.net
>> *Sent:* Friday, 5 December 2014, 11:19
>> *Subject:* Re: [AusNOG] Netflix, AWS and Softlayer vs. Australia
>>
>> I'd be surprised if they didn't already monitor per customer volumes
>> anyway at some level, knowing how many end users are on which splitter
>> and how much data they are pushing at what time would be important to
>> balance congestion. IE the case of 15 heavy users all on the one
>> splitter, you can shuffle those users onto different splitters in the
>> one FDH so they don't tread on each others toes.
>>
>>
>
>
>
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-- 
Nick Stallman
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The Real Estate Web Developers
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