Description: A retry policy defines the conditions under which a request should be retried after a failure. This concept is crucial in the realm of distributed systems and network communication, where requests to external services may fail for various reasons, such as network issues, server overload, or temporary errors. Implementing a retry policy allows developers to set specific rules that determine when and how these retries should occur. Key features of a retry policy include the maximum number of attempts, the interval between attempts, and the conditions that must be met for a failure to be considered. For example, a policy may specify that a request should be retried up to three times, with a 2-second interval between each attempt, and only if the error is a temporary failure, such as a 503 (Service Unavailable) error. The relevance of these policies lies in their ability to enhance application resilience, ensuring that temporary disruptions do not affect user experience or system functionality. By implementing appropriate retry policies, organizations can minimize the impact of failures in communication with external services, resulting in more robust and reliable applications.
