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Topic # 83007 8-May-2011 17:25
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If you look at the underlined connecton in the pic below, can anyone tell me if this is an official youtube cache in telstra clear's network?

It looks like it to me, but i thought orcon had the only official youtube CDN in NZ, and everyone elses were 3rd party cache appliances like bluecoat and others that are modified in a way to cache youtube.






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  Reply # 466817 8-May-2011 17:27
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Vodafone has one

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  Reply # 466826 8-May-2011 17:42
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TelstraClear has a Google cache server for months, after the long running discussion about YouTube performance back in 2008/2009.

Obviously you can only access it if you are using TelstraClear's own DNS otherwise name resolution will point to the wrong addresses.







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  Reply # 466833 8-May-2011 17:55
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Awesome.

I have just changed from a pay per GB DSL provider to a dedicated uplink from another local ISP for my own network, and noticed that through slingshot at home, it goes through orcons cache, but this new dedicated connection for my WISP network is pulling from telstra clear's :-)

I remember the discussion, and then a TCL employee mentioning that their cache was "arriving in a week" but i didnt know if it was an official youtube one, or a 3rd party one, or if it would only be avaliable to their direct retail customers. My upstream isp buys capacity from telstra clear, so it looks like we are getting access to the cache too.

Now im off to go setup squid as a transparent proxy to do local youtube caching so it doesnt slow down my uplink as much.




Ray Taylor
Taylor Broadband (rural hawkes bay)
www.ruralkiwi.com

There is no place like localhost
For my general guide to extending your wireless network Click Here




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  Reply # 466836 8-May-2011 18:03
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You only need a local cache if you have multiple users watching the same video, surely?

It's a Google cache, not third party.







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  Reply # 466871 8-May-2011 19:25
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Yeah exactly.
If multiple users in the same household are watching the same video on multiple computers (it happens in my house) then rather than download from youtube / tcl through the upstream connection, Id rather just serve it from my cache than have it use the upstream connection.




Ray Taylor
Taylor Broadband (rural hawkes bay)
www.ruralkiwi.com

There is no place like localhost
For my general guide to extending your wireless network Click Here




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  Reply # 466919 8-May-2011 21:43
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freitasm:

Obviously you can only access it if you are using TelstraClear's own DNS otherwise name resolution will point to the wrong addresses.



I'm pretty sure that it doesn't matter what DNS you use, the proxy does it's own lookup based on the URL contained in the request and will then hit the cache.

I'm always seeing responses that don't match the IP result, but do match the requested URL.




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  Reply # 466921 8-May-2011 21:46
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That's fine, if the proxy gets the same IP in some cases... For example try accessing Facebook with a non-TCL DNS, and the response will cause you trouble.





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