It is provided a communication system comprising: at least one IoT terminal; a base station apparatus to which the IoT terminal is to be coupled; an edge server selectively receives user plane packets transmitted and received by the base station apparatus; and a cloud server selectively receives user plane packets transmitted and received by one of the base station apparatus and the edge server, wherein at least one of the IoT terminal, the edge server, or the cloud server has arranged therein a first middleware formed of software, and wherein the first middleware receives an instruction on a policy which is set based on a result of analyzing traffic of packets transported in the communication system; receives by proxy an instruction to transmit packets from an application; adjusts timings to transmit the packets in accordance with the instructed policy; and relays a transmission instruction to a communication module.