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  #949058 11-Dec-2013 00:04
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jeffreyh: Cough splutter and your ridculosly small burst settings which are rather TCP unfriendly.


... and dictated by the agreed standards for UFB, so you can't really blame Chorus

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  #949082 11-Dec-2013 06:24
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1080p:
sbiddle:
Ragnor:
ubergeeknz: 

Nothing artificial about it.  You want guaranteed 100Mbps? You can get it, but not for $140/month.


That's not what I meant.

Remember handover dimensioning on xDSL UBA a few years ago, that was artificial limiting at the exit point despite the traffic having made it it through backhaul network.

Wondering if this will be a similar thing.




It's very different. GPON is shared infrastructure just like DOCSIS. Handover dimensioning is a completely different thing.

At the end of the day you're paying for a shared experience, not dedicated bandwidth.

I just hope companies like Truenet adapt to the real world realities of best effort residential broadband. Looking forward a few years and contention on the GPON network and people will have to realise that they can't expect to get 500Mbps 24/7 on their (hypothetical) 500Mbps plan.

There are also a number of people out there pushing for 1Gbps to be a standard connection. Anybody asking for such a thing is really sticking their hand up and showing they don't really understand what they're talking about.





How do international ISPs successfully offer gigabit services then?


A combination of both P2P and GPON connectivity.

The problem with offering 1Gbps over GPON is that you're limited to 2.4Gbps on GPON. Offering 1Gbps to 24 users with only 2.4Gbps is simply creating a network that will implode in the future.

7 or 8 years ago Telecom started installing Conklins in rural areas that had no options for backhaul except E1's. Offering a 7Mbps ADSL1 to users was a great idea at the time, but now we're now in a situation where thousands on people in NZ are suffering an absolutely terrible BUBA based internet experience because there is no ability to expand backhaul. Offering 1Gbps over GPON is simply setting the same framework in place for such a failure to repeat itself.

And to be honest what is happening overseas isn't really that relevant to what is happening in NZ. NZ already has a vastly superior internet infrastructure than many, many other countries. Should we be making dumb mistakes and putting in place a network design that will lead to implosion in the future?

With the ultimate move to 10GPON within the next ~5 years 1Gbps to all users does become an option. Many could argue that we could offer 1Gbps now over GPON and as bandwidth requirements increase we can simply upgrade to 10GPON, but once again this is making assumptions about the future which is a very bad idea.


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