A communication method executed by an information processing apparatus capable of transmitting data to another information processing apparatus, the method includes: setting a first threshold as an amount of data capable of being transmitted without waiting for a reply from the another information processing apparatus; transmitting a first data having a data amount less than or equal to the first threshold to the another information processing apparatus; acquiring from the another information processing apparatus processing time information taken to process the first data by the another information processing apparatus; and changing the first threshold concerning the data amount into a second threshold based on the processing time information.