Patent ID: 8693359

Claim:
A communication control device that connects a first network to a second network, the communication control device comprising: a first processor; a first memory connected to the first processor; and a first network interface connected to the first processor; wherein the first network is connected to a delivery server that includes a second processor, a second memory connected to the second processor, and a second network interface connected to the second processor, and delivers data packets containing plural pieces of content; wherein the second network is connected to a plurality of computers that each include a third processor, a third memory connected to the third processor, and a third network interface connected to the third processor, and acquire the data packets from the delivery server; and wherein the communication control device acquires control information, which is to be transmitted to the delivery server in order to let the computers acquire the data packets from the delivery server, extracts computer identification information, which identifies the computers targeted for measuring the delivery quality of the data packets to be transmitted, and data packet identification information, which identifies the data packets to be measured and transmitted to the identified computers, from the acquired control information, and measures the delivery quality of the data packets targeted for measurement, which are to be transmitted to the identified computers, in accordance with the extracted computer identification information and the extracted data packet identification information.