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351 posts

Ultimate Geek
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# 105775 10-Jul-2012 14:53
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Considering switching to Snap and I pull and stream lots of data from the USA (i.e. MLB.tv and such).

What kind of throughput are other snap users seeing on international data from the USA during peak hours from 4pm-10pm?

Anyone want to share some speedtest results to USA servers?

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Uber Geek
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  # 653749 10-Jul-2012 20:33
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This is the 2nd best results from a number of runs at ~8:30pm.  I'll do some more at closer to 10 and try to remember to do some more at ~4pm tomorrow and 6pm on Thurs.

East Coast:


Central:


West Coast:

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Master Geek
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  # 653755 10-Jul-2012 20:41
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Ultimate Geek
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  # 653758 10-Jul-2012 20:49
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Thanks for posting those. That's helpful. Looks comparable to my Telstra connect. Here's a test I ran just now on Telstra for your reference. Mostly I want to make sure I can stream my MLB.tv OK if I change to Snap VDSL.


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  # 653787 10-Jul-2012 22:09
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East Coast:


Central:


West Coast:

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  # 654061 11-Jul-2012 16:13
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East Coast:


Central:


West Coast:




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Ultimate Geek
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  # 654070 11-Jul-2012 16:40
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very consistent speedtests....Sam, you're awesome. Thanks, mate!

Compared to my Telstra results, Snap is looking perhaps a bit better:



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  # 654147 11-Jul-2012 19:24
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spacedog: very consistent speedtests....Sam, you're awesome. Thanks, mate!


Not a problem buddy, happy to help! :)  I'll do a 6pm run tomorrow as well to cover all timeframes, but yeah, seems to be pretty consistent.  FYI, I got a few readings of 8-10mbit to US servers, but as I mentioned earlier, only included the 2nd highest result.

 
 
 
 


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  # 654186 11-Jul-2012 20:48
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Here are mine. Done between 8:30pm and 8:45pm. 
PS: I'm on Naked DSL. Waikanae, Wellington NZ. 

My speeds are good enough for HDX movies via Vudu. 

West Coast::

 

East Coast:



Central:


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  # 654730 12-Jul-2012 18:12
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East Coast:


Central:


West Coast:



351 posts

Ultimate Geek
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  # 654818 12-Jul-2012 21:57
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nice to see...frankly I have *never* seen a speed over 7mbps on a US server on tesltra so I'm impressed that you have managed to pull greater than that...even if infrequently

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  # 654830 12-Jul-2012 23:16
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spacedog: nice to see...frankly I have *never* seen a speed over 7mbps on a US server on tesltra so I'm impressed that you have managed to pull greater than that...even if infrequently


it can depend on your operating system etc.




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Ultimate Geek
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  # 674060 18-Aug-2012 19:06
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mercutio:
spacedog: nice to see...frankly I have *never* seen a speed over 7mbps on a US server on tesltra so I'm impressed that you have managed to pull greater than that...even if infrequently


it can depend on your operating system etc.



Can't see how operating system would have any effect. I can pull 14mbps on a speedtest to an auckland server on the same computer and then run a speedtest to a USA server and only get 4-5mbps.  If the OS was a factor, I wouldn't be getting the fast domestic speeds.

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  # 674061 18-Aug-2012 19:11
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spacedog:
mercutio:
spacedog: nice to see...frankly I have *never* seen a speed over 7mbps on a US server on tesltra so I'm impressed that you have managed to pull greater than that...even if infrequently


it can depend on your operating system etc.



Can't see how operating system would have any effect. I can pull 14mbps on a speedtest to an auckland server on the same computer and then run a speedtest to a USA server and only get 4-5mbps. ?If the OS was a factor, I wouldn't be getting the fast domestic speeds.


if you use a linux client and a windows client to connect to los angeles server you'll get different speeds. (i'm not sure which is faster)

if you have a linux server and a windows server in los angeles you'll get different speeds. with windows you need to enable ctcp on the server to enable faster download speeds for the client over long distance.

with linux they've been adding some new sender side improvements recently.

http://lwn.net/Articles/458610/

http://lwn.net/Articles/427104/

etc


it's kind of like saying "i have an old car on the motorway that can do 120k/hour" and someone else getting 120k hour driving up hill. most cars on the road now days can get up to speed given time and a motorway. but on windy hills they can't or won't necessarily go at the speed limit.



sure - if you have a 100 megabit to NZ you wouldn't necessarily expect to do anything close to that to los angeles. but if you have 15 megabit to NZ it would be nice to do 8 megabit to europe, the US etc...

and with those kinds of conditions, the tcp/ip improvements coming for clients and servers are going to help.


One of the biggest OS reasons for slow downloads overseas can be that the TCP window size grows too slowly, which tends to effect speed tests more than web browsing speed.


One complication with doing tests though is the route to a destination won't always necessarily be the same, and the quality of the connection over that path. Just repeating a test can give different results.

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  # 674124 19-Aug-2012 01:34
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spacedog: 

Can't see how operating system would have any effect. I can pull 14mbps on a speedtest to an auckland server on the same computer and then run a speedtest to a USA server and only get 4-5mbps.  If the OS was a factor, I wouldn't be getting the fast domestic speeds.


The TCP/IP stack has been changed and improved with newer versions of windows, most notably with automatic tcp receive window scaling.

Refer to 
http://www.speedguide.net/articles/the-tcp-window-latency-and-the-bandwidth-delay-2678 

http://www.speedguide.net/articles/windows-7-vista-2008-tweaks-2574







351 posts

Ultimate Geek
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  # 674144 19-Aug-2012 09:32
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Ragnor:
spacedog: 

Can't see how operating system would have any effect. I can pull 14mbps on a speedtest to an auckland server on the same computer and then run a speedtest to a USA server and only get 4-5mbps.  If the OS was a factor, I wouldn't be getting the fast domestic speeds.


The TCP/IP stack has been changed and improved with newer versions of windows, most notably with automatic tcp receive window scaling.

Refer to 
http://www.speedguide.net/articles/the-tcp-window-latency-and-the-bandwidth-delay-2678 

http://www.speedguide.net/articles/windows-7-vista-2008-tweaks-2574






So this most likely means that difference I am seeing in side-by-side speedtesting of domestic/international traffic from a windows7 machine is not being affected by the OS, right? 

As a test, I ran some bandwidth testing from two different linux machines on my home network and didn't see any speeds over 6mbps to international routes....


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