[LINK] Latency across Australia & to Europe....

Tue May 3 20:00:57 AEST 2011

I know of one large ISP that sources trans-pacific bandwidth on Southern
Cross and also Perth to Asia via SeaMeWe 3 or JASURAUS (apologies, can't
remember which). Curiously, I was advised the ex-Perth link was cheaper for
international transit, and some non-latency dependent consumer grade traffic
was routed that way, and they were supplying some very price sensitive
wholesale customers the ex-Perth option.
So cost is at least as big a determinant as optimum route.
Regards,
Michael Skeggs

On 3 May 2011 19:16, Martin Barry <marty at supine.com> wrote:

> $quoted_author = "Marghanita da Cruz" ;
> >
> > However, as Richard pointed out the routing plays a part and
>
> It does, however even in the suboptimal situation where your traffic was
> crossing from the mobile carriers network to the Internet in a single place
> in Australia (i.e. Sydney) it doesn't appear that it would make a lot of
> difference reaching international sites as a lot of the connectivity is
> from
> there even if you are in Perth. Accessing local sites on the other end
> would
> be a different story, especially if there is an extra Perth->Sydney->Perth
> in there.
>
>
> > If you are still in Europe, it would be interesting to know
> > what the hops are to uwa.edu.au or ecu.edu.au (assuming
> > these are hosted in Perth) vs syd.edu.au or uts.edu.au (assuming
> > these are hosted in Sydney) - or doesn't it matter because of
> > AARNET?
>
> AARNET appears to have connectivity to Singapore
> (http://www.aarnet.edu.au/aarnet3.aspx) but of all the Perth sites I've
> tested from here in Frankfurt all have gone via the USA and Sydney.
>
> e.g.
>
>  3. 62.96.203.153                               0.0%     5    2.6   2.6 0.4
>   6.2   2.4
>  4. 217.111.108.109                             0.0%     5    1.2   3.1 1.2
>   7.0   2.4
>  5. ge3-0-0-pr2.fra.router.colt.net             0.0%     5    9.0   7.5
> 5.3   9.0   1.8
>  6. xe-1-2-0.mpr1.fra4.de.above.net             0.0%     5    4.2  14.8
> 4.2  43.0  16.5
>  7. xe-0-0-0.mpr1.fra3.de.above.net             0.0%     5    2.5   8.2
> 2.5  23.7   8.8
>  8. xe-0-1-0.mpr1.cdg11.fr.above.net            0.0%     5   23.4  15.5
> 11.8  23.4   4.9
>  9. xe-3-1-0.mpr1.lhr2.uk.above.net             0.0%     5   23.2  20.6
> 18.4  23.2   2.2
>  10. so-1-1-0.mpr1.dca2.us.above.net             0.0%     5   90.8  91.2
> 90.8  91.8   0.4
>  11. xe-1-3-0.cr1.dca2.us.above.net              0.0%     5   94.1  92.9
> 91.5  94.5   1.4
>  12. xe-1-3-0.cr1.iah1.us.above.net              0.0%     5  148.4 134.1
> 118.7 148.4  12.5
>  13. xe-2-0-0.cr1.lax112.us.above.net            0.0%     5  151.0 161.0
> 150.5 195.9  19.5
>  14. xe-2-1-0.cr1.sjc2.us.above.net              0.0%     5  159.6 160.0
> 158.1 161.9   1.5
>  15. xe-0-1-0.er1.sjc2.us.above.net              0.0%     5  157.1 158.7
> 157.1 161.8   2.1
>  16. 64.125.193.134.i223.above.net               0.0%     5  303.2 303.2
> 302.4 304.7   0.9
>  17. ge-6-0-0.bb1.b.syd.aarnet.net.au            0.0%     5  302.8 303.8
> 302.6 306.5   1.6
>  18. so-2-0-0.bb1.a.mel.aarnet.net.au            0.0%     5  317.0 317.1
> 316.2 317.9   0.7
>  19. so-2-0-0.bb1.a.adl.aarnet.net.au            0.0%     5  323.6 325.2
> 323.6 328.3   2.1
>  20. so-0-1-0.bb1.a.per.aarnet.net.au            0.0%     5  350.9 352.7
> 350.9 354.4   1.9
>  21. gigabitethernet0.er1.uwa.cpe.aarnet.net.au  0.0%     5  356.0 359.4
> 351.3 375.1  10.6
>  22. gw1.er1.uwa.cpe.aarnet.net.au               0.0%     5  351.7 369.7
> 351.6 420.7  34.1
>  23. matrix.uwa.edu.au                           0.0%     5  351.4 353.1
> 351.4 355.0   1.9
>
>
> There may be a network who has a path to Europe via Asia and the Middle
> East
> and prefers it over the USA but I am yet to find an example of it.
>
> cheers
> Marty
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