• Polly concept and architecture
• The Polly concept
• The Polly architecture
• Implementation of a specific policy type
• All policies operate across two key dimensions
• Abstract base classes common to all policy types
• Generic and non-generic, separate class hierarchies
• Interfaces
• Class, base-class and interface relationships
• Interacting with policy operation
• Delegate hooks
• Properties
• Methods
• Other supporting classes
• Fluent-builder syntax
• Reactive policies
• Preemptive and proactive policies
• Execution context
• Passing execution results to delegate hooks and ExecuteAndCapture
• Other points of interest
• SystemClock
• TimedLock
• Unit tests