Undersea fiber cut after Taiwan earthquake - PCCW / Singtel / KT e tc connectivity disrupted
frank at dticonsulting.com
Thu Dec 28 22:45:21 UTC 2006
"Anderson, Matthew R [NTK] sent:
>That map is incorrect at least with respect to
>TAT-14. They depict it landing in New York City,
>though its two North American landing sites are
>actually well south of there in Manasquan and
Thanks for highlighting the mis-placements of some of the cables. Offices in NY
City serve as the International Transmission Maintenance Centers and Gateway
Offices of multiple carriers, if those latter designations are still relevant
today. There are some other generalizations made on the map, as well, but I think
the general concept of their being, along with their general utility in the
universe, comes across just the same. Unless, of course, one is organizing a
Kidding aside, these "errors" are actually intentional, and the publisher makes
no bones about it at the bottom of the page. See disclaimer under the South
"Cable Routes do not represent all subsea cable networks and do not reflect
actual location of cables"
On Thu Dec 28 15:37 , "Anderson, Matthew R [NTK]" sent:
>That map is incorrect at least with respect to TAT-14. They depict it landing
in New York City, though its two North American landing sites are actually well
south of there in Manasquan and Tuckerton, NJ.
>I know that several of the other transatlantic cables do not land in NYC, for
obvious diversity reasons, but this PDF shows them all landing there.
>From: owner-nanog at merit.edu
[owner-nanog at merit.edu','','','')">owner-nanog at merit.edu] On Behalf Of Frank Coluccio
>Sent: Thursday, December 28, 2006 12:58 AM
>To: Gaurab Raj Upadhaya; Jared Mauch
>Cc: nanog-post at rsuc.gweep.net; nanog at merit.edu
>Subject: Re: Undersea fiber cut after Taiwan earthquake - PCCW / Singtel / KT e
tc connectivity disrupted
>I would expect that some of the affected cables have lost dc power used to drive
>repeaters and amplifiers (10 kv d.c.) from their landing stations. Or that is at
>least the hope at this time. The WSJ today published a superb article along with
>a unusually detailed global route map. See intro along with some comments
>concerning the route map (tinyurl):
>Quake Damages Undersea Cables,
>Disrupting Internet Service in Asia
>By JASON DEAN
>December 27, 2006 2:36 p.m.
>[FAC: Assuming the link below works, the article below contains an excellent
>global view of what looks like most, if not all, of the major submarine cable
>routes around the world in use today. It's a keeper, IMO, so I suggest
>downloading it to your HD. Here's the pdf, which is probably subject to the same
>shelf life constraint: http://tinyurl.com/ya45oo ]
>BEIJING -- A big earthquake near Taiwan disrupted phone and Internet traffic
>across Asia Wednesday, highlighting the fragility of a global telecommunications
>system that still relies on vulnerable undersea cables to carry data.
>The magnitude 6.7 temblor that struck late Tuesday off Taiwan's southern coast
>cut several fiber-optic cables that carry communications traffic through a key
>nexus in Asia, connecting Hong Kong and Southeast Asia with Japan and,
>ultimately, North America.
>On Thu Dec 28 0:35 , Jared Mauch sent:
>>On Thu, Dec 28, 2006 at 04:55:25AM +0000, Gaurab Raj Upadhaya wrote:
>>> -----BEGIN PGP SIGNED MESSAGE-----
>>> Hash: SHA1
>>> Information seems to suggest that these all have one or other faults
>>> due to the earthquake. Some probably have more serious problems then
>>> SMW3 (Sea-me-we 3).
>>> FNAL and FEA (FLAG North Asia Loop) ;
>>> RNAL = Reach North Asia Loop
>>> APCN2 (Asia Pacific Network 2)
>>> C2C - Singtel's coast to coast
>>> EAC = East Asia Crossing (EAC)
>>> Traffic is gradually coming back through ad-hoc setups and re-routes,
>>> but cable providers are saying minimum 3 weeks for full recovery.
>> I've wondered how many boats/subs exist for these repairs
>>and if attempting to do them all in parallel is going to be a big
>>problem. With 6 systems having outages, it will be interesting to see
>>when various paths/systems come back online and if there is a gating
>>factor in underseas repair gear being available in the region.
>> - jared
>>Jared Mauch | pgp key available via finger from jared at puck.nether.net
>>clue++; | http://puck.nether.net/~jared/ My statements are only mine.
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