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Re: MERGED - Connection problems in Bromley
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https://www.tat-14.com/ |
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well done good luck in your new position :tu: :) |
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Promotion or new job ?
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promotion after 6 weeks :eek: to Team leader.
Thanks for the thanks :erm: |
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Oh look...another NTL DNS outage.....what a surprise!! :rolleyes:
How many more are we customers suppose to put up with?? This must be the third time within 3 months!!! I suppose you would get the typical response from NTL....these technical problems are beyond our control and we apologise for the inconvience....same old tiresome response! |
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It affected most of the uk ip traffic, ntl its seems are back up and running, no doubt due to the fact they may have routed traffic through thier own trans atlantic link only. If this is the case and tat-14 is still down expect at the bare minimum 2-4 weeks slowness. |
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Oops!!! Just seen earlier the status page and nothing said about a transatlantic outage.....stuck my big foot in it! :dozey: :D
Only got home from work at 1am and missed all the commotion. ;) |
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Still down in Stafford when I left for work this morning (8.00am)
Hope its fixed by the time I get home Andy |
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all up and running in worthing, i had to reboot the set top box this morning before it worked though... :dunce:
what would we do without this site? :shrug: |
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Its something to do with the transparent caches and DNS, not a fibre link! |
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Just my opinion Alan |
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well if anybody is interested in the tat-14 cable try here
http://www.ntt.com/NEWS_RELEASE_E/gl...98/980902.html |
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I was led to believe that if one or more parts of the internet infrastruscture fails then the traffic automatically gets rerouted elsewhere. This robustness was supposed to be a feature of the internet. Obviously not in the case of last night. The traffic must be being rerouted now as the main cable is still supposed to be knackered. Why did it take so long for the major ISPs to intervene and manually introduce a workaround? Who knows, but you can bet questions are being asked and hopefully they will have a better plan in future so that this sort of failure does not cause such a massive outage again (and pigs will fly over the NTL offices).
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apparently lightning does strike twice... As TAT-14 is a dual, bi-directional ring of cable, a single serious fault should not be enough to break it, as traffic would still be able to flow between the countries on the ring. Unfortunately, a part of the cable near the US coast had already suffered a technical fault earlier this month, which meant there was no built-in redundancy to cope with Tuesday's failure. According to BT, the US-side fault should be fixed by the end of this week, which will bring the cable network online again. |
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http://news.zdnet.co.uk/0,39020330,39118125,00.htm
""France Telecom will send a cable ship out to fix and repair the problem," said a BT spokesman, adding that the cause of the problem is not known. It's also not clear how long the fault will take to repair. " :erm: How far is it to America and how does the ship find the fault? I hope it doesn't have to examine every bit of the cable - could take months :) It'll be sharks - should kill more of them ;) Oddly enough, for me, everything is working faster than it's ever worked before :confused: |
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Doe's it have to be a French ship. Do they have any idea what there doing :erm: |
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http://www.globalmarinesystems.com/s...tion_tat14.htm
Hell of a long cable :Yikes: Surface Lay: 8,900 km by Global Marine System Total 15,203 km Burial: 3,438 km by Global Marine System Total 3,885 km |
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AHHHHHHHH the internet is breaking down - the time for mass panic has come
:p |
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/me slaps dq1
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"According to BT, a member of the consortium, the disruption occurred between France and the Netherlands and disrupted a range of telecommunication services. " Here's a map, http://www.ntt.com/NEWS_RELEASE_E/gl...ges/980902.gif They don't have to go trawing across the atlantic, just up the north sea... |
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Must take some interesting skill sets to repair it. Do you pull it off the ground to examine it, or send a submersible to look at it. Do you send divers down to repair it? You can hardly spot weld it, or pull it up? It kinda makes sense that the break happened along a coastline, the water is shallower and more likely to shift at the bottom, the cable across the mid atlantic is probably exactly where it was first laid. |
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well nice to see that it wasn't just me who had problems yesterday...our BB was completely down last night...and speaking to someone i work to today heres was also (she lives in the same village)....she's having some problems with her phoneline etc, so have directed her to this site :D
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My BB connection has stopped working again :( Too fed up to investigate further. My Pipex Dial account is working though. Good thing i'm going out shortly.
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a map of cyber space
Half way down you will see the map which shows TAT-13 coming off the point in Brittany near Brest |
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They lift the cable from the bottom and look at it. That must mean an awful lot of slack in the cable though, which will make it tricky to find the cable and/or the broken bit. Not sure how they find it - maybe sonar or the radiation given off by the cable. If it's just off the coast the authorities might want to check Ebay for cheap lengths of very thick cable :rofl: |
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One would imagine that the fibre could be located by gps very easily, they lift the fibre and split it and they run tests back to the base station to identifiy if they have a the right bit. I also think they can light the fibre in such away that gives them a rough idea where the fault is.
This is all highly interesting stuff, I'm learning heaps about the internet. :geek: |
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right who wants a point? incog. |
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Usually cables are buried there are tools avaiable during laying that dig cables into the sea bed. Out sheaths are usually armoured so would withstand damage link |
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I'm not sure how accurate GPS is. I remember reading about it being out by a few meters, which is fine when you have line of sight but not when the thing you want is 100's of feet under water! Agree - interesting stuff <adjusts glasses> :) |
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Cable Repair vessel Here (they 'recover' - drag up - the cable)
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