Phil Howison S8 Resilience
What is resilience? General:   The ability to recover  from a shock.
What is resilience? Networks:   The ability to provide  an acceptable level  of service in the face  of faults and  challe...
What is resilience? Ecology:   The rate at which a  system returns to a  single steady or cyclic  state following a system...
What is resilience? Psychology:   The capacity of  people to cope  with stress or  catastrophe.
What is resilience? The resilience of a society encompasses all that and more.
Hurricane Jeanne Fatalities United States: 5  Puerto Rico: 7 Dominican Republic:    18 Haiti:   3006+
Hurricane Katrina 1836+ killed 700+ still missing $81.2 billion damage
Hurricane Katrina <ul><li>No power </li></ul><ul><li>No clean water </li></ul><ul><li>Fuel shortages </li></ul><ul><li>No ...
September 11 attacks <ul><li>Immediate effects: </li></ul><ul><li>Nearly 3000 killed. </li></ul><ul><li>Two subway station...
September 11 attacks  <ul><li>Follow-on effects: </li></ul><ul><li>Number of tourists to New York and the US plummeted. </...
Cascading failure
Networks vs. Hierarchy
What went right?
<ul><ul><li>Social networks .   We need to strengthen social networks, and rely less on hierarchy.  Speed and flexibility....
Wellington's infrastructure
Wellington's infrastructure
Wellington's infrastructure
Wellington's infrastructure
Resilience and sustainability
Resilience Rapid change makes resilience even more important.  It isn't just about being prepared, its about being flexibl...
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Resilience

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Short presentation for Toastmasters. Describes and defines the concept of resilience, looks at some case studies, and also discusses social networks, cascading failure and the vulnerability of Wellington's infrastructure

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Resilience

  1. 1. Phil Howison S8 Resilience
  2. 2. What is resilience? General: The ability to recover from a shock.
  3. 3. What is resilience? Networks: The ability to provide an acceptable level of service in the face of faults and challenges to normal operation.
  4. 4. What is resilience? Ecology: The rate at which a system returns to a single steady or cyclic state following a system perturbation.
  5. 5. What is resilience? Psychology: The capacity of people to cope with stress or catastrophe.
  6. 6. What is resilience? The resilience of a society encompasses all that and more.
  7. 7. Hurricane Jeanne Fatalities United States: 5 Puerto Rico: 7 Dominican Republic: 18 Haiti: 3006+
  8. 8. Hurricane Katrina 1836+ killed 700+ still missing $81.2 billion damage
  9. 9. Hurricane Katrina <ul><li>No power </li></ul><ul><li>No clean water </li></ul><ul><li>Fuel shortages </li></ul><ul><li>No telephone (landline or cellphone) </li></ul><ul><li>No internet access </li></ul><ul><li>Most TV off-air </li></ul><ul><li>Coastal highways damaged or destroyed </li></ul><ul><li>30 oil platforms and 9 refineries damaged or destroyed </li></ul><ul><li>Grain exports interrupted </li></ul><ul><li>Forests destroyed </li></ul>
  10. 10. September 11 attacks <ul><li>Immediate effects: </li></ul><ul><li>Nearly 3000 killed. </li></ul><ul><li>Two subway stations destroyed – subway system paralysed. </li></ul><ul><li>7 buildings destroyed, 25 damaged. </li></ul><ul><li>Stock exchange shut down. </li></ul><ul><li>Radio and TV antennas destroyed. </li></ul><ul><li>All airliners in the US grounded for four days, tens of thousands of passengers stranded. </li></ul>
  11. 11. September 11 attacks <ul><li>Follow-on effects: </li></ul><ul><li>Number of tourists to New York and the US plummeted. </li></ul><ul><li>Several airlines went under, with massive job losses. </li></ul><ul><li>Homeland Security created, PATRIOT Act passed. </li></ul><ul><li>“ War on Terror” began. </li></ul>
  12. 12. Cascading failure
  13. 13. Networks vs. Hierarchy
  14. 14. What went right?
  15. 15. <ul><ul><li>Social networks . We need to strengthen social networks, and rely less on hierarchy. Speed and flexibility. Strengthen communications. networks. </li></ul></ul>What can we learn from this? <ul><ul><li>Infrastructure . Our way of life depends on physical infrastructure, but it is vulnerable to cascading failure if disaster strikes. </li></ul></ul>
  16. 16. Wellington's infrastructure
  17. 17. Wellington's infrastructure
  18. 18. Wellington's infrastructure
  19. 19. Wellington's infrastructure
  20. 20. Resilience and sustainability
  21. 21. Resilience Rapid change makes resilience even more important. It isn't just about being prepared, its about being flexible and adaptable enough to cope with change of any kind.

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