A MULTICASTING METHOD, SYSTEM AND DEVICE

摘要

A multicasting method, system and device. The method includes: an access device sending multicasting request to t a upper layer device according to an intelligent control rule; the upper layer device sending the request to the access device according to the multicasting request, and holding it; when the user terminal sending a multicasting access request to the access device, the access device making the user terminal join a multicasting group if the access device has held the multicasting channel.