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9/11: Attack on the Wires: Track 1

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What happens when one of the worst terrorist attacks in history strikes the densest cluster of networks on the planet? How did the largest communications provider in the United States handle the surge in demand? Despite surviving earthquakes, hurricanes and other man-made and natural disasters, the staff at AT and T struggled to cope with the flood of calls that followed the tragic events of September 11th. Over the course of the day they handled in excess of 400 million calls as people in America, and all over the world tried to contact friends and family in New York. This collection gives a snapshot of how the communications company dealt with the unprecedented technological challenges by using techniques such as call gapping to help free up other services.

By: The OpenLearn team (The Open University,)

  • Duration 10 mins
  • Updated Wednesday 7th September 2011
  • Introductory level
  • Posted under Computing & ICT
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Track 1: The AT and T Network

How AT and T handled the unprecedented rise in phone calls.


© The Open University 2011


Tracks in this podcast:

Track   Title Description
1 The AT and T Network    How AT and T handled the unprecedented rise in phone calls. Play now The AT and T Network
2 Call Gapping    A way in the network distributed calls to avoid an overload. Play now Call Gapping
3 Statistical Spikes    AT and T completed a record 430 million call completions on 9/11. Play now Statistical Spikes