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143 posts

Master Geek


# 37025 6-Jul-2009 12:59
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Just wanting to know if i get a dedicated circuit and SLA from my provider will that give me full line speed 24 7 with no peak times and on international speeds? and what sort of dollars am i looking at to do so

Cheers :)

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220 posts

Master Geek
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  # 231610 6-Jul-2009 13:37
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You are asking that if you can get 7Mbps off your line, you want 7Mbps of international BW, and if you can get 20Mbps off you line, you want 20Mbps of international bandwidth? Potentially, all the time?

How much are you prepared to pay, per month? Roughly? $0 - $10 - $100 - $1,000 - $10,000 - $100,000?



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Master Geek


  # 231643 6-Jul-2009 14:07
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michaeln: You are asking that if you can get 7Mbps off your line, you want 7Mbps of international BW, and if you can get 20Mbps off you line, you want 20Mbps of international bandwidth? Potentially, all the time?



How much are you prepared to pay, per month? Roughly? $0 - $10 - $100 - $1,000 - $10,000 - $100,000?



YES thats what im asking, my line rate is 17mbs as im 1km from the exchange, but thats only attainable for here and sydney servers, else where i be lucky to get anything over 5mbs anytime and at the moment i pay 180 dollars a month for my 100gb plan.

so not too sure how much more i have to pay for a dedicated circuit and SLA maybe i have to ask my provider?

 
 
 
 


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Master Geek
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  # 231921 7-Jul-2009 10:13
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>my line rate is 17mbs as im 1km from the exchange, but thats only attainable for here and sydney servers, else where i be lucky to get anything over 5mbs anytime


Ah, in that case I believe that your problem is latency, not bandwidth.


I'm guessing that you are running Windows (but not Vista or Win/7) rather than Mac OS X, xBSD or Linux. In which case, you need to fix the RWIN setting. See http://www.dslreports.com/tweaks


Until you do that, no increase in bandwidth will do you any good whatsoever.


If you are running XP, the registry setting you need to edit is:



[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters]
"GlobalMaxTcpWindowSize"=dword:00039fbc

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  # 232048 7-Jul-2009 14:17
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Unfortunately that is not ever going to happen over DSL as Telecom does not provide such an SLA to ISPs. When it comes to bandwidth there is contended bandwidth and then there is dedicated bandwidth, if you wanted 17mbps of dedicated bandwidth its going to cost you several thousand a month, and a few thousand more again for the international bandwidth component.

Your best bet is to go with a decent ISP which is known for good international speeds.


187 posts

Master Geek


  # 232075 7-Jul-2009 14:54
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If you want an SLA then you will need to get off DSL - depending on where you live you will determine what is available. All at hugely more expensive prices but you are now entering a market where there is low demand and little competition. Best thing to get is a dedicated link into either Auckland or Wellington's peering exchanges. If you are in Palmerston North talk to Inspire Net. In Wellington try CityLink.
Being based in Wanganui we have a fibre link via TCL direct to Auckland. It currently runs at 5mb/s u/d - we pay $3500 per month for unlimited international data. Our link can run at up to 1Gbps but I do not know what that would cost.



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Master Geek


  # 232153 7-Jul-2009 17:54
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michaeln: >my line rate is 17mbs as im 1km from the exchange, but thats only attainable for here and sydney servers, else where i be lucky to get anything over 5mbs anytime




Ah, in that case I believe that your problem is latency, not bandwidth.




I'm guessing that you are running Windows (but not Vista or Win/7) rather than Mac OS X, xBSD or Linux. In which case, you need to fix the RWIN setting. See http://www.dslreports.com/tweaks




Until you do that, no increase in bandwidth will do you any good whatsoever.




If you are running XP, the registry setting you need to edit is:







[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters]
"GlobalMaxTcpWindowSize"=dword:00039fbc



Hi Thanks for the info yes im on windows xp but i couldnt find that registry in my computer? should i have it or not? im not sure.
I dont think it is latency as i always geta good ping to los angeles of around 144ms but its just the download speed that changes
one month i be getting 10-12mbs download easy to los angeles on the off peak then next month be 1-3mbs
It must just be my provider and there international bandwitdh allowances.

but i did do the tweak test from that link on dsl reports and it came back as good results :)

I guess a dedicated circuit and SLA is out of my dollars and league and yes i am in auckland,
I guess we just have to live with it untill vdsl comes available.



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  # 232168 7-Jul-2009 18:54
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VDSL will still be a shared network service provisioned at something like 50:1 contention ratio

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  # 232178 7-Jul-2009 19:43
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rdjacobs: 
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters]
"GlobalMaxTcpWindowSize"=dword:00039fbc


Hi Thanks for the info yes im on windows xp but i couldnt find that registry in my computer? should i have it or not?

That key does not exist by default. You need to add it.


http://www.psc.edu/networking/projects/tcptune/OStune/winxp/winxp_stepbystep.html



143 posts

Master Geek


  # 232222 7-Jul-2009 22:15
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michaeln:
rdjacobs: 

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters]






"GlobalMaxTcpWindowSize"=dword:00039fbc


Hi Thanks for the info yes im on windows xp but i couldnt find that registry in my computer? should i have it or not?


That key does not exist by default. You need to add it.




http://www.psc.edu/networking/projects/tcptune/OStune/winxp/winxp_stepbystep.html


hi sorry my mistake i do have tcpwindowsize and globalmaxtcpwindowsize in there and both values
are set to 0x0006b0e8(438504) does that sound right?

heres my tweak results aswell they look good ?





















http://www.dslreports.com/tweakr/block:4824794?service=dsl&speed=17812&os=winXP&via=pppoA

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Master Geek
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  # 232279 8-Jul-2009 09:04
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rdjacobs:

hi sorry my mistake i do have tcpwindowsize and globalmaxtcpwindowsize in there and both values 

are set to 0x0006b0e8(438504) does that sound right?





Yes, that should be fine. Variability in download speed must therefor be due to something else.

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