RELAY MANAGEMENT DEVICE, RELAY MANAGEMENT METHOD, PROGRAM, AND RELAY MANAGEMENT SYSTEM

摘要

A relay management device comprising: a session management unit that records session information, separately, as transmission device-side information and reception device-side information, said session information being about multicast transmission of a data stream that occurs via a relay link for a relay device, between at least one transmission device and at least one reception device; and a band reservation unit that reserves band in the relay link on the transmission device side or reserves band in the relay link on the reception device side, on the basis of the session information records for the transmission device side or the reception device side by the session management unit.