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Every published pattern study, system study, bulletin and research note in one place. Search by word, or narrow the list by format, pattern or system.
Common starting points
I'm trying to understand a dependency pattern →The six foundational pattern studies.I work with a particular critical system →Choose a system below to see its study and the patterns it shows.I want the latest bulletin →Issue 04 · October 2026.9 of 20 items
- System study
Electrical Grids →
Continuous balancing of generation, transmission, and demand across interconnected networks that tolerate almost no interruption.
Patterns: Dependency Concentration, Fragile Redundancy, Governance Lag, Deferred Maintenance, Operational Complexity, Incident Memory
- System study
Water Infrastructure →
Treatment, distribution, and wastewater systems whose continuous operation is a precondition for public health and urban life.
Patterns: Dependency Concentration, Fragile Redundancy, Governance Lag, Deferred Maintenance, Operational Complexity, Incident Memory
- System study
Rail Networks →
Long-lived physical and signalling assets that move people and freight at scales no alternative mode can absorb quickly.
Patterns: Dependency Concentration, Fragile Redundancy, Governance Lag, Deferred Maintenance, Operational Complexity, Incident Memory
- System study
Payment Infrastructure →
Clearing, settlement, and card networks that quietly underwrite the daily functioning of commerce and household life.
Patterns: Dependency Concentration, Fragile Redundancy, Governance Lag, Operational Complexity, Incident Memory
- System study
Air Traffic Control →
Coordinated airspace management where reliability, redundancy, and human judgement are tightly interwoven and consequential.
Patterns: Fragile Redundancy, Governance Lag, Operational Complexity, Incident Memory
- System study
Internet Backbone →
The aggregation, routing, and interconnection layer beneath nearly every digital service used by governments, firms, and individuals.
Patterns: Dependency Concentration, Fragile Redundancy, Governance Lag, Operational Complexity, Incident Memory
- System study
Submarine Cables →
The physical fibre running across oceans that carries the overwhelming majority of intercontinental data traffic.
Patterns: Dependency Concentration, Fragile Redundancy, Governance Lag, Deferred Maintenance, Incident Memory
- System study
Telecommunications Networks →
Fixed and mobile networks that act as the connective tissue for emergency response, commerce, and civic participation.
Patterns: Dependency Concentration, Fragile Redundancy, Governance Lag, Deferred Maintenance, Operational Complexity, Incident Memory
- System study
Ports and Logistics Systems →
Maritime gateways and inland distribution networks whose throughput determines the resilience of supply across entire regions.
Patterns: Dependency Concentration, Fragile Redundancy, Governance Lag, Deferred Maintenance, Operational Complexity, Incident Memory