Differentiated services multicast system and method using encapsulation and unicast

摘要

A DiffServ multicast system and method includes: searching a routing table according to information of a header of a multicast packet to determine the number of routers capable of transmitting the multicast packet upon the multicast packet being received; copying the multicast packet to correspond to the number of routers determined to be capable of transmitting the multicast packet upon the multicast packet being received; and checking an entry connected to the next router through the routing table, setting a flag of each entry stored in the header of the multicast packet, and transmitting the multicast packet.