Network Reliability and Resilience Mark S. Daskin Dept. of IE/MS - - PowerPoint PPT Presentation
Network Reliability and Resilience Mark S. Daskin Dept. of IE/MS Northwestern University Reliability and Resilience Reliability Resilience Low probability of Consequences of failure failure are designed to be small
R&D/options Inv./options Forecasting Fortification Inventory Multi-sourcing
Supplier reliability Supplier yield Labor disruptions Weather Natural disasters Energy availability New entrants products Terrorism Demand uncertainty Environmental concerns Government regulation Intellectual property
R&D/new prod. Market res. Purchase options Contracts/flex. Regulation/other Lobbying
Fortification/ Intelligence/ Detection Inventory
Supplier yield Terrorism
Yield – high frequency, short duration, low consequence, unpredictable Supplier reliability – lower frequency, longer duration, moderate consequence, may be targeted Terrorism – very low frequency, long duration, high consequence, targeted
Multi-sourcing
Supplier reliability
Fortification Inducements Recovery plans
Overbooking Terrorism
Overbooking – high frequency, few flights impacted, low consequence, somewhat unpredictable Weather delay – lower frequency, longer duration, moderate to high network consequences, may be foreseen Terrorism – very low frequency, very long duration, high consequence, targeted at vulnerable facilities
Weather delay
Pre-event Post event Durin g event
problems early
disruption due to weather
(reroute aircraft, call in backup crews)
passengers
hotels
response
monitoring key suppliers
severity (total, partial)
(draw on safety stock, invoke contracts)
with plants, suppliers, and customers
across system
to reposition aircraft and crews
network, routes, aircraft assignments, response system
not be applicable in weather case except in the extreme
get production back and marketing to recover market share
chain to mitigate future shortages (improve forecasting, safety stock, multi-source)
chain and replenish safety stocks