feat: add back-off request #6
Description
add module to support back-off request
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Initial Retry: When a request fails, the client initiates a retry immediately or after a short delay.
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Exponential Increase: If the retry fails again, the client increases the waiting time before the next retry exponentially. For example, the client might wait 1 second after the first failure, then 2 seconds after the second failure, 4 seconds after the third failure, and so on.
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Maximum Backoff Time: There is usually a maximum limit to the backoff time. After reaching this limit, subsequent retries may use the maximum backoff time.
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Jitter: Some implementations also include jitter to add a random factor to the waiting time, which helps avoid synchronization effects when multiple clients are retrying simultaneously.