Resilience

Phil Howison S8Phil Howison S8

ResilienceResilience

What is resilience?What is resilience?

General:General: The ability to recover The ability to recover from a shock.from a shock.


Networks:Networks: The ability to provide The ability to provide an acceptable level an acceptable level of service in the face of service in the face of faults and of faults and challenges to normal challenges to normal operation.operation.


Ecology:Ecology: The rate at which a The rate at which a system returns to a system returns to a single steady or cyclic single steady or cyclic state following a system state following a system perturbation.perturbation.


Psychology:Psychology: The capacity of The capacity of people to cope people to cope with stress or with stress or catastrophe.catastrophe.


The resilience of a society The resilience of a society encompasses all that and more.encompasses all that and more.

Hurricane JeanneHurricane Jeanne

Fatalities

United States: 5 Puerto Rico: 7Dominican Republic: 18Haiti: 3006+

Hurricane KatrinaHurricane Katrina

1836+ killed700+ still missing$81.2 billion damage

Hurricane KatrinaHurricane Katrina No powerNo power No clean waterNo clean water Fuel shortagesFuel shortages No telephone (landline or cellphone)No telephone (landline or cellphone) No internet accessNo internet access Most TV off-airMost TV off-air Coastal highways damaged or destroyedCoastal highways damaged or destroyed 30 oil platforms and 9 refineries damaged or destroyed30 oil platforms and 9 refineries damaged or destroyed Grain exports interruptedGrain exports interrupted Forests destroyedForests destroyed

September 11 attacksSeptember 11 attacks Immediate effects:

Nearly 3000 killed.

Two subway stations destroyed – subway system paralysed.

7 buildings destroyed, 25 damaged.

Stock exchange shut down.

Radio and TV antennas destroyed.

All airliners in the US grounded for four days, tens of thousands of passengers stranded.

September 11 attacks September 11 attacks Follow-on effects:

Number of tourists to New York and the US plummeted.

Several airlines went under, with massive job losses.

Homeland Security created, PATRIOT Act passed.

“War on Terror” began.

Cascading failureCascading failure

Networks vs. HierarchyNetworks vs. Hierarchy

What went right?What went right?

Social networksSocial networks.. We need to strengthen We need to strengthen social networks, and rely less on hierarchy. Speed social networks, and rely less on hierarchy. Speed and flexibility. Strengthen communications. and flexibility. Strengthen communications. networks.networks.

What can we learn from this?What can we learn from this?

InfrastructureInfrastructure.. Our way of life depends Our way of life depends on physical infrastructure, but it is vulnerable to on physical infrastructure, but it is vulnerable to

cascading failure if disaster strikes.cascading failure if disaster strikes.

Wellington's infrastructureWellington's infrastructure

Resilience and sustainabilityResilience and sustainability

ResilienceResilience

Rapid change makes resilience even more Rapid change makes resilience even more important. It isn't just about being prepared, important. It isn't just about being prepared,

its about being flexible and adaptable its about being flexible and adaptable enough to cope with change of any kind.enough to cope with change of any kind.

Resilience

Technology

Transcript of Resilience