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I thought the internet was designed by the military to be able to survive large scale disruption due to nuclear war etc.  Is there really so little redundancy in the system?

PS  Was there life before the internet?  My kids want to know.  I remember we used to talk to people off-line and play with analogue cards etc.

"It's a mystery to me - the game commences, For the usual fee - plus expenses, Confidential information - it's in my diary..."

by Frank Schnittger (mail Frankschnittger at hot dotty communists) on Fri Feb 1st, 2008 at 02:55:59 PM EST
I'm sure DARPA retains its redundancy, but do you expect Cisco to lay two backbones if they can get away with one?

We have met the enemy, and he is us — Pogo
by Migeru (migeru at eurotrib dot com) on Fri Feb 1st, 2008 at 02:59:51 PM EST
[ Parent ]
Cisco is not the one laying fiber for the backbones, but they're selling the BFR's (big f'ing routers) to connect the segments.

Actually, they would be quite happy if the telcos were adding more redundancy to their networks: this would be even more business to them.

Europeans think a hundred miles is a long way. Americans think a hundred years is a long time.

by Bernard on Sat Feb 2nd, 2008 at 05:47:19 AM EST
[ Parent ]
The Internet you're talking about is the DARPA network circa 1985, linking the US military sites in the known universe (the 48 contiguous states, plus Alaska and maybe Hawaii & Guam). This one was implemented on landlines and has plenty of redundancy.

This is till true today for the Internet connections within the same landmass. The trouble, as we all noted, is for the links between the different continents: these are few and far between, except maybe for North America - Western Europe.

Oh yes, the military have their own satellites for overseas communication; they don't depend on underseas cable mishaps, thank you very much.

Europeans think a hundred miles is a long way. Americans think a hundred years is a long time.

by Bernard on Sat Feb 2nd, 2008 at 06:08:42 AM EST
[ Parent ]
The trouble, as we all noted, is for the links between the different continents: these are few and far between, except maybe for North America - Western Europe.

And a disturbing number of the trans-atlantic cables seem to come to shore at the same place. The maps not clear where it is, but I bet it'd take somebody with malign intent no time to find out.

As somebody pointed out, this has been way too expensive for it to be allowed to recurr. There will be redundancy and alternate routes in the next 10 years. I bet russia does one overland and gets everyone else to pay for it.


keep to the Fen Causeway

by Helen (lareinagal at yahoo dot co dot uk) on Sat Feb 2nd, 2008 at 08:29:07 AM EST
[ Parent ]
From 2003

Cable failure hits UK Internet traffic - ZDNet UK

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.

Tuesday's failure affected BT's voice calls, rather than its data services, but it is understood that a number of Internet service providers experienced faults.

Vanessa Evans, of LINX, the London Internet Exchange, which carries nearly all UK Internet traffic and over half of Europe's Internet traffic, said she saw a drop in traffic of around two gigabits per second. At its peak, LINX sees 32 gigabits of data every second. She added that the Internet was not broken, as traffic was rerouted through other networks.

And for historical plans of international connections (Unfortunately rather uk/us centric)see Here

Life should consist in at least fifty percent pure waste of time, and the rest doing what you please.

by ceebs (bunchofwankers (at) gmail (dot) com) on Sat Feb 2nd, 2008 at 08:43:18 AM EST
[ Parent ]

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