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clayton

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#197989 21-Jun-2016 16:09
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Does anyone know the maximum Internet speed the Vodafone cable network can throughput? they are claiming by the end of the year they will be offering their customers 1GB speeds on their cable network, hard to believe when all they are offering their customers now is only 100 Mbs.


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thecatsgoolies
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  #1577751 21-Jun-2016 16:10
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Cable network will support docsis 3.1 in time at the moment it's 3.0

MikeB4
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  #1577754 21-Jun-2016 16:16
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They are rolling out a network upgrade currently to allow eventual speed increases to gigabit. Time will tell if it is so


 
 
 
 


sbiddle
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  #1577756 21-Jun-2016 16:21
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clayton:

 

Does anyone know the maximum Internet speed the Vodafone cable network can throughput? they are claiming by the end of the year they will be offering their customers 1GB speeds on their cable network, hard to believe when all they are offering their customers now is only 100 Mbs.

 

 

The maximum throughput is limited by the number of channels they bond so your question can't actually be answered - right now it's probably somewhere around 240Mbps. It will support 1Gbps once the DOCSIS3.1 upgrade is complete.

 

 


Djmixerdomo
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  #1577758 21-Jun-2016 16:23
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even on docsis 3.0 my line can apparently handle 270 down and 60 up (though they only sell 100/10) and with docsis 3.1 coming it should be able to do gigabit. Whether or not the infrastructure will be able to handle those speeds is a different story though...





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antoniosk
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  #1577767 21-Jun-2016 16:43
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Djmixerdomo:

 

even on docsis 3.0 my line can apparently handle 270 down and 60 up (though they only sell 100/10) and with docsis 3.1 coming it should be able to do gigabit. Whether or not the infrastructure will be able to handle those speeds is a different story though...

 

 

 

 

And that;s just the cable infrastructure; all that data then gets aggregated into consolidation nodes that serve massive areas before everything then gets shunted up to the international gateway etc...

 

 

 

Getting 1gbps clear through the network, consistently.... for 500k connections.... at peak times.... mighty big boxes methinks





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michaeln
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  #1577775 21-Jun-2016 16:49
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DOCSIS 1, 1.1 and 2.0 usurps a single 6MHz TV channel and uses it to transmit data instead.

 

If you encoded a single bit per Hz, that would give you 6Mbps.

 

However, if you can distnguish more than two levels (0, 1) per Hz, then you can encode more bits. If you can distinguish 4 different levels, you can do 2 bits per Hz (2^2=4), for 12Mbps. (Using QAM—Quadrature Amplitude Modulation).

 

Vodafone does QAM-256 (8 bits per Hz), for 48Mbps (before error correction).

 

It gets harder and harder to distinguish finer levels, and the bits per Hz falls away exponentially, so getting more bandwidth needs a new approach.

 

DOCSIS 3.0 works by bonding multiple 6Hz channels. 4, or 8, or 16... which is how Vodafone offers 100Mbps and 130Mbps right now.

 

Enter DOCSIS 3.1, which uses a different modulation technique (OFDM, like 4G uses), can do QAM-4096, and has 192MHz 'channels'. And can do 1Gbps.

 

Vodafone has announced it's upgrading to DOCSIS 3.1, hence the speed increase.


mdf

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  #1577778 21-Jun-2016 16:51
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<Waves red rag to the bull of everyone that's posted on the Krapy Cable Congestion thread>

 

Realistically, Vodafone is struggling to provide even the currently advertised speeds in places due to network congestion. I find claims of gigabit connections fanciful on a level with fairies and unicorns somewhat optimistic at best right now. I will be the first to apologise and beg for such a connection if they actually manage to pull it off though.


 
 
 
 


clayton

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  #1577785 21-Jun-2016 17:03
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I see Vodafone are now supplying AIO wireless 4 port routers, a big improvment over the old Motorola SB5101 Surfboard Cable Modems.


mdf

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  #1577787 21-Jun-2016 17:07
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Yeah... maybe...

 

http://www.geekzone.co.nz/forums.asp?forumid=40&topicid=175218


gbwelly
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  #1577790 21-Jun-2016 17:11
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clayton:

 

I see Vodafone are now supplying AIO wireless 4 port routers, a big improvment over the old Motorola SB5101 Surfboard Cable Modems.

 

 

 

 

First the cable speeds question given 2000+ comment thread on the poor performance, followed up with a masterful comment praising the much despised all in one router which doesn't support bridge mode. Bravo! laughing








sbiddle
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  #1577826 21-Jun-2016 18:19
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clayton:

 

I see Vodafone are now supplying AIO wireless 4 port routers, a big improvment over the old Motorola SB5101 Surfboard Cable Modems.

 

 

They're a router rather than a modem so you can't really say one is better than the other as they're serving two very different purposes. It's a bit like comparing an orange and a car and saying one is better than the other!

 

There are plenty of people who hate the new routers but you don't have a choice for new installs and they don't support bridge mode.

 

 


Quinny
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  #1577836 21-Jun-2016 18:41
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Try being a business on cable which is capped at a whoping 3m down. 5 of us at once just plain sucks most days.


thecatsgoolies
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  #1577837 21-Jun-2016 18:42
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Quinny:

Try being a business on cable which is capped at a whoping 3m down. 5 of us at once just plain sucks most days.



Are you on a capped plan or is it due to congestion?

sbiddle
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  #1577841 21-Jun-2016 18:55
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Quinny:

 

Try being a business on cable which is capped at a whoping 3m down. 5 of us at once just plain sucks most days.

 

 

Why are you still on such an old legacy plan? Last time I saw those plans offered was probably 2005

 

 

 

 


clayton

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  #1577845 21-Jun-2016 18:56
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Move to Fibre and if it's not availble in your area i'm sure VDSL is.


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