Is Netflix too much traffic for your ISP?

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#1296190 3-May-2015 17:11

johnr:
raytaylor: Is vodafone able to leverage the UFB network or chorus business fibre as a backhaul for its cable network?

congestion is at the Node

Okay so that would imply the nodes need to be split so each covers a smaller number of households.
From the little I know about cable networks, I think that means running fibre out to new nodes, or installing another node next to an existing one, then splicing in a new length of coax from a junction point back to the new node bypassing the coax connected to the existing node?

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johnr

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#1296193 3-May-2015 17:28

As I understand Christchurch has far less congestion so worse impacted Nodes in Wellington region getting TLC first

NZCrusader

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#1296219 3-May-2015 18:11

Yea, Christchurch nodes are numerous enough that the throughput isn't badly affected.

Three within 5mins of here.
Still getting 100 Mbps during peak.

130 Mbps drops occasionally to 104 Mbps during the 6 - 8pm window.

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DonGould

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#1297584 4-May-2015 12:44

NZCrusader: Yea, Christchurch nodes are numerous enough that the throughput isn't badly affected.

Three within 5mins of here.
Still getting 100 Mbps during peak.

130 Mbps drops occasionally to 104 Mbps during the 6 - 8pm window.

iirc it was said here that the node density in chch is 500 while it's 2000 in Wellington.

http://en.wikipedia.org/wiki/DOCSIS#Bandwidth_tables

I have no idea how many channels VF run, but if we just assume the upper limit of 24 then it's limited to 1Gbit per node.

Do the math from there.... if we assume an average Netflix stream of 4mbit, and you have 2,000 users, you need 8Gbit for 1 concurrent service per drop. 1Gbit only allows for 250 concurrent streams. So somethings going to break... which it clearly is.

Now before anyone jumps on the VF bashing bandwagon.... yip, I was watching a very sad download on a Spark connection last night too.

I think the reality here is that no one builds networks for demand that isn't there. What we're seeing now is people actually wanting to use a chunk of the Xmbit's and needing real CIR for the first time, in large numbers. Reality check, providers will upgrade, some users will also drop off and some users will move ISPs to providers who already have enough capacity in their network to deal with the current demand from their users.

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Geekzone

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#1297698 4-May-2015 15:31

I got a phone call from Vodafone today and was told they have tested some changes and are working on a roll out. I was told they will notify me when one is done to my node so I can test.

Chrizvi

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#1297705 4-May-2015 15:37

freitasm: I got a phone call from Vodafone today and was told they have tested some changes and are working on a roll out. I was told they will notify me when one is done to my node so I can test.

what changes are these? this is to help what?

DonGould

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#1297709 4-May-2015 15:41

Chrizvi:
freitasm: I got a phone call from Vodafone today and was told they have tested some changes and are working on a roll out. I was told they will notify me when one is done to my node so I can test.

what changes are these? this is to help what?

I wonder if this will start to push them to upgrade to DOCSIS 3.1?

I also wonder how many channels they're currently using and how much capacity is actually on each run.

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#1297714 4-May-2015 15:45

Chrizvi:
freitasm: I got a phone call from Vodafone today and was told they have tested some changes and are working on a roll out. I was told they will notify me when one is done to my node so I can test.

what changes are these? this is to help what?

This is to alleviate overloading in traffic to nodes around the network.

Chrizvi

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#1297740 4-May-2015 16:06

freitasm:
Chrizvi:
freitasm: I got a phone call from Vodafone today and was told they have tested some changes and are working on a roll out. I was told they will notify me when one is done to my node so I can test.

what changes are these? this is to help what?

This is to alleviate overloading in traffic to nodes around the network.

ok cool! please let us know as well the result. thanks!

qyiet

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#1297743 4-May-2015 16:11

DonGould:
But it's why sites like this have 'rep tags' (which I clearly don't have), 'trusted flags' (again which I clearly don't have) and 'post counts' and '+1 received by user:' flags.

/me looks across at his own trusted flag

Yeaah.. I wouldn't put that much faith in those

Warning: reality may differ from above post

50n0f508

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#1297932 4-May-2015 21:20

freitasm: I got a phone call from Vodafone today and was told they have tested some changes and are working on a roll out. I was told they will notify me when one is done to my node so I can test.

Any word on when that might be? My speed is especially bad tonight...struggling to get past 10mbps at the moment. Back to dvd/blu rays for me.

garvani

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#1298053 5-May-2015 08:48

For the first time last night i noticed the slow down, it was horrendous. Started off with another streaming site which usually played fine, last night it was custard, thinking it was just the site having issues i moved over to netflix. It was stuck on ~500kbps for sometime then moved to 1750 and wouldn't budge past there (usually sit on 5800). Performed a few speedtests and i was averaging 9-10mbps, general browsing was noticeably slower as a result.

Slingshot 100mbit

roobarb

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#1298118 5-May-2015 09:56

garvani: Performed a few speedtests and i was averaging 9-10mbps, general browsing was noticeably slower as a result.

Can I suggest people use standard units otherwise any metrics are completely meaningless. This claims you are getting one bit every hundred seconds.

M = mega
k = kilo
m = milli

B means bytes, normally used when referring to computer storage
b means bits, normally used when referring to serial communications

So an exchange of b for B is around an order of magnitude difference, and m for M is nine orders of magnitude difference.

MileHighKiwi

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#1298143 5-May-2015 10:26

We're on cable with Vodafone in Upper Hutt and over the last few weeks have had some real up and down performance. Downloads have been slow and browsing in general a bit inconsistent, but the interesting this is that not one issue with Netflix on the Roku 3, hardwired.

DonGould

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#1298154 5-May-2015 10:40

garvani: Slingshot 100mbit

Customer: My 100mbit don't work no properly
ISP: What?! You asked for 100mbit, we gave you 100mbit, now you actually want to use it?!?!?!

Looks to me like we're seeing the "wow this NetFlix thing is cool" effect.

I had a look at the ordering figures for AppleTV at a local retailer the other day. Their stock ordering is about 7 or 8 times the trickle they were selling and they're currently out of stock waiting on an order that's roughly what they had ordered in the past 6 months.

I suspect this is going to get worse before it gets better. It will be very interesting to see the next couple of monthly figures from John.

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