• Retry
• Syntax
• How Polly Retry works
• Overall number of attempts
• Configurable policy delegates
• onRetry / onRetryAsync
• int retryCount
• Exception or DelegateResult<TResult>
• TimeSpan
• Context
• sleepDurationProvider
• Exponential backoff
• Jitter
• Dynamically adjusting delay-before-retry at runtime
• RetryAfter: When the response specifies how long to wait
• Retry to refresh authorization
• Thread-safety