Patent ID: 9331934
Filing Date: 2016-05-03
CPC Classification: H04L

Claim Text:
1. A packet distribution system comprising: a first gateway that transfers a packet, and is placed on a boundary of a core network and first and second mobile type terminal devices, each of the first and the second mobile type terminal devices transmitting a distribution request packet which requests a distribution of a same content; a second gateway that transfers a packet, and is placed on a boundary of the core network a content server, the content server distributing a first content packet relating to content to any one of the first and the second mobile type terminal devices which has transmitted the distribution request packet, according to the distribution request packet transmitted from any one of the first and the second mobile type terminal devices; a control server that controls operation of the first and the second gateways; the control server including: an abandon controller that, when the first content packet is distributed to one of the first and the second mobile type terminal devices, the distribution request packet is transmitted from another one of the first and the second mobile type terminal devices, and a second content packet newly distributed from the content server to the another one of the first and the second mobile type terminal devices is detected by the second gateway, causes the second gateway to abandon the second content packet based on control information included in the detected second content packet; and a copy controller that causes the first gateway to copy the first content packet distributed to one of the first and the second mobile type terminal devices and to transfer the copied first content packet to the another one of the first and the second mobile type terminal devices.