SYSTEM FOR MULTICASTING MULTIMEDIA CONTENTS

摘要

A multimedia contents multicasting system is provided to prevent that a plurality of data are congested in the Internet in IPv6(Internet Protocol version 6) environment by transmitting multicast packets transmitted to a router of an access network by a multicast scheme to a multimedia device of each home. A channel information receiving unit(11) receives channel information from a user. A channel information packet transmitting unit(12) transmits a channel information packet including a source address field, a destination address field and a channel information field to a certain home gateway. An address of a certain multimedia device is recorded in the source address field. An address of the home gateway is recorded in the destination address field. Channel information received in the channel information receiving unit(11) is recorded in the channel information field. A multicast packet receiving unit(14) receives a multicast packet including a source address field, a destination address field and a multimedia contents field from the home gateway which receives the channel information packet transmitted from the channel information packet transmitting unit(12). The address of the home gateway is recorded in the source address field. The address of the multimedia device is recorded in the destination address field. Multimedia contents provided from a channel indicated by channel information are recorded in the multimedia contents field. A multimedia contents reproducing unit(15) reproduces the multimedia contents recorded in the multimedia contents field received from the multicast packet receiving unit(14).