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Topic # 111627 9-Nov-2012 14:29 Send private message

I guess Ms Curran's definition of catastrophic is slightly different from the general usage when a figure of eight cable has a single break and simply reroutes traffic via the rest of the ring.

Anyone lost any connectivity to OZ?

http://www.labour.org.nz/news/%E2%80%98catastrophic-failure%E2%80%99-hits-southern-cross-cable

A catastrophic failure has struck the Southern Cross international internet cable, says Labour’s Communications and IT spokesperson Clare Curran.

“Labour has learnt that a catastrophic failure at Southern Cross’s Alexandria landing station occurred this morning due to an unauthorised and un-notified software change to their wavelength switching platform at Alexandria, which blew up.

“We understand that partial service has been restored by reinstating old circuits via New Zealand. Full restoration is still being worked on.

“This shows the Government’s inaction and disregard for our international infrastructure could have equally catastrophic consequences for New Zealand.

“This is a crisis for New Zealand. Without international connectivity, our financial system and a large percentage of business would be severely affected.

“The Government must address the issue of international connectivity with urgency and provide a full assessment of the risks New Zealand faces through software failures and natural events on the single cable.

“Issues of capacity and affordability of data pale into insignificance when you consider the havoc that could be wrecked by a significant outage. This is a matter of grave importance for New Zealand.”

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  Reply # 715150 10-Nov-2012 14:23 Send private message

kyhwana2:
MattR:
kyhwana2:
Because the AU-NZ cable was down, so AU-NZ traffic over SXC was going NZ-hawaii-fiji-AU..


The cable wasn't down. It looks like they lost one wavelength on the SYD-AKL leg. Vocus and 3 other customers were using that wavelength. No idea who the other customers are, but either they're not making any noise, or they had capacity on other wavelengths which weren't affected.


ahh gotcha, so they were only upgrading gear that Vocus/etc were using and no one else? (Going off latency alone, i'd say KAREN was one of the customers that brought protected capacity)



well i think protected capacity is common, but it shouldn't have to go to the other side of the world unnecessarily?  can't there just be redundant waves straight to australia?  or was there but not enough to move over?

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