US Patent 10503609 Replication link smoothing using historical data

A computer program product, system, and method for determining a number of chunks written to a storage volume during a first replication cycle; determining a host write rate based on the number of chunks written to the storage volume during the first replication cycle; estimating a number of chunks written during a second replication cycle; determining a target rate based on the estimated number of chunks written during the second replication cycle; and transmitting chunks written during the second replication cycle at the target rate.