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24,500 mile long cable breaks, disrupting Internet for millions

by Parm Mann on 31 January 2008, 10:53

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70 percent of Egypt's Internet network down

A fault in underwater cables is being blamed for the disruption of Internet connectivity for millions of users in the Middle East and India.

"This cut has affected Internet services in Egypt with a partial disruption of 70 percent of the network nationwide," the Egyptian ministry said in a statement.

Speaking to Reuters, Rajesh Chharia, president of the Internet Service Providers' Association of India, said: "There has been a 50 to 60 percent cut in bandwidth."

Though Internet Service Providers in the affected regions are trying to counter the problem by rerouting to other cables, experts estimate a further week of congestion and limited connectivity until the cables are repaired and normal service is resumed.

Businesses in Egypt, including the Central Bank, have voiced disappointment in the way Internet traffic is routed through a limited number of underwater cables.

Though no official explanation for the disruption has been given, reports suggest that a ship's anchor near the port of Alexandria in Egypt could be the reason for mass disruption and potential repercussions to many businesses.



HEXUS Forums :: 7 Comments

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ouch…im hoping they can pinpoint where the exact fault is….cos if theyve gotta examine the cable inch by inch…. !
I wonder if they have certain points, like boosters or relays or something every so often (like every 10 miles or something), or if it is indeed one very long cable?
Does anyone know how many undersea cables like this there, and how much fault tolerance we have? Obviously we haven't lost our conection to Australia & Japan so there are other cables.
Think of all the outsourced call centers that won't be able to take your call!
With fiber cables, any break in the cable can be found by bouncing light through it and seeing how long it takes to come back. Then by deviding by two and knowing the speed of light in glass you can work out how far along the cable the break is.

Actually, I think you can do something similar with copper, but i don't know how that one works. Something to do with atenuation or something.

Suffice to say, they don't have to check every inch :)
MSIC
I wonder if they have certain points, like boosters or relays or something every so often (like every 10 miles or something), or if it is indeed one very long cable?
Does anyone know how many undersea cables like this there, and how much fault tolerance we have? Obviously we haven't lost our conection to Australia & Japan so there are other cables.

There have to be relays. It is not possible to send stuff down a 24,500 mile cable (whatever type it is) in one go.