[AusNOG] Simon Hackett's slide deck from AusNOG 2014 with added audio

Beeson, Ayden ABeeson at csu.edu.au
Wed Sep 10 11:39:50 EST 2014


Cheers, that link actually had a good image showing an active aggregation allowing a lot more "sharing" of the fibre than GPON though, what's the split ratio that NBN Co are using for their GPON connections? The image there shows 500:1 for the active and 32:1 for GPON, while 500:1 might be a little on the high side my concern is the FTTN connections end up being built for a different allowance and the installed fibre doesn't cater for a GPON changeover later.

While that would be silly from a technical perspective, we are in the position where Turnbull has put forward his "lets save every cent" story, and NBN Co have been handed a very restrictive budget where cuts like this may be likely to occur, despite the serious lack of sense in doing so.

I guess the question is, is the aggregation ratio for a VDSL DSLAM higher than the GPON fibre connections and will this cause problems in the future with upgrades or have the current NBN Co plans definitively planned for this?

If the fibre that is going to be installed for FTTN will provide enough for GPON later, that is good and does make me feel a little less concerned for the future upgrade.

As for political / business drive to upgrade later being high enough to get a budget allowance for it, that is a different discussion...

Thanks,
Ayden Beeson

-----Original Message-----
From: Bradley Gould [mailto:brad.gould at staff.iinet.net.au]
Sent: Wednesday, 10 September 2014 11:29 AM
To: Beeson, Ayden; 'Stuart Low'
Cc: 'ausnog at lists.ausnog.net'
Subject: RE: [AusNOG] Simon Hackett's slide deck from AusNOG 2014 with added audio

GPON.

http://en.wikipedia.org/wiki/Passive_optical_network

Passive splitters.  Its a shared optical medium - think Cable with lasers.


-----Original Message-----
From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Beeson, Ayden
Sent: Wednesday, 10 September 2014 10:43
To: 'Stuart Low'
Cc: 'ausnog at lists.ausnog.net'
Subject: Re: [AusNOG] Simon Hackett's slide deck from AusNOG 2014 with added audio

So this was something I was not clear on, hopefully somebody can clarify.

My understanding / assumption was that with FTTP, you will have enough fibre run to each passive distribution to connect all the houses in that area.

With FTTN, i was thinking you would just get enough fibre run to allow connection of the VSDSL DSLAM, rather than each household, allowing the DSLAM to do the aggregation, so at FTTN -> FTTP changeover time, you would need to install more fibre out to each cabinet anyway.

Is that incorrect, or are we assuming the government will ensure enough fibre is run to each cabinet, even though they don't need to, to ensure a future upgrade is as cheap as possible?

Thanks,
Ayden Beeson

-----Original Message-----
From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Stuart Low
Sent: Wednesday, 10 September 2014 9:40 AM
To: ANSA SERVERS
Cc: ausnog at lists.ausnog.net
Subject: Re: [AusNOG] Simon Hackett's slide deck from AusNOG 2014 with added audio

I disagree and I think "replaced" is the wrong word. FTTN gives you ducting and strands in the ground for 90% of the last mile, a vast majority of the copper issues are in this 90% save for premises that are running their loop through storm drains etc.

By implementing FTTN you've solved a very large part of the problem (access, ducting, water resistance, distance and bad patching jobs at the break out). A very large majority of the "disaster" sites live in this break out location and the indication is the FTTN cabinets will be plonked directly beside them.

The other indication is that FTTP is still available albeit on a user pays model. Going large on FTTP is relatively easy at this point because you can pull fresh strands and turn your FTTN nodes into passive patching frames.

The bottom line is though that the "unwashed masses" would be perfectly happy with FTTN for at least the next few decades as all they care about is a reliable (ie. not peppered with CRCs and reed-solomon's) and "fast" (ie. maybe 20mbit down and 3-5 up) connection to watch their cat videos and/or some streaming TV (multicast is still totally possible here). Maybe eventually they will want to stream 4K but even that proposition is curtailing your target audience to the "tech heads", my Mum doesn't care about that but she's sick of waiting for her email to download.

Anyone else is either an I.T. guy (ie. can probably afford the user pays) or a torrent leecher that probably shouldn't be doing what they are doing in the first place.

Of course, all bets are off for business use (but they could pay for FTTP too) so let's keep this residential focused for now.

Just my 2c,

Stu

> On 8 Sep 2014, at 5:18 pm, ANSA SERVERS <info at ausnetservers.net.au> wrote:
>
> HI Guy,
>
> FTTN might work for the time being but will have to be replaced with more money out of the tax payers pocket. If the government knew anything about the state of the copper network their research would of told them that the part of the copper network they are keeping is the worst effected part of the network.
>
> Just my two sense worth. I am just thankful I don't use the copper network at all.
>
> Regards,
>
> Matthew Matters  Managing Director / CEO of Aus Net Servers Australia
> Pty Ltd Management Department  |  Small Business Hosting Sales &
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>
> -----Original Message-----
> From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Guy
> Ellis
> Sent: Monday, 8 September 2014 5:16 PM
> To: ausnog at lists.ausnog.net
> Subject: Re: [AusNOG] Simon Hackett's slide deck from AusNOG 2014 with
> added audio
>
> Karl,
>
> I think you are missing one key point, the current Government was elected by the people of Australia, not by the people of Wingepool.
> The policy of FTTN was no secret prior to the election.
>
> Blaming Simon is for any of this is most unfair.
>
> I too would prefer FTTP, but it ain't going to happen under this Government.
> Get with the program or run for Government!
>
>  - G.
>
>
>
>> On 8/09/2014 3:38 PM, Karl Auer wrote:
>>> On Sat, 2014-09-06 at 20:21 +0930, Mark Prior wrote:
>>> at AusNOG (or even if you were and want to hear it again) you can
>>> watch [Simon Hackett's] keynote as a video on his blog site. It's 40
>>> minutes long but worth the time.
>>> <http://simonhackett.com/2014/09/06/rebooting-the-nbn/>
>> It's a long apology cum explanation of a the huge stuff-up that is
>> the increasingly-inaccurately-named NBN, a project that has been near
>> destroyed by people who know the price of everything and the value of
>> naught.
>>
>> Simon's talk was made bearable only by the fact that it was Simon - a
>> credible voice, and we will forgive him anything. Everything he said
>> was true - and everything he said was irrelevant against the simple
>> fact of the utter, total, abject lack of any sort of vision for
>> Australia's networked future.
>>
>> Simon spoke oh-so-condescendingly of those who dared to feel betrayed
>> by that, saying in effect that "anyone who doesn't understand all
>> this is just a puddle of entitlement looking for a pony. Because Whirlpool."
>> Hearts and minds, Simon, hearts and minds!
>>
>> It would have been nice for there to have been a hint of vision in
>> Simon's talk. But it was all about how it's not as bad as we think,
>> how copper is alright, no really it is!, how things are so much
>> better than they look, and how it will all be alright eventually. Really?
>> When? And for what value of "alright" exactly?
>>
>> Regards, K.
>>
>> PS: Can we PLEASE never see that damn Parisian train again?
>
>
> --
> Guy Ellis
> guy at traverse.com.au
> www.traverse.com.au
> T: +61 3 9386 4435 M: +61 419 398 234
>
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