However,The IP multicast network security with unicast network security has the similar request,such as User authentication,data uniformity inspection,data encryption, and user authorization.

• 然而,IP组播面临的安全问题既有与单播安全类似的问题,比如用户认证,数据一致性检查,数据加密,用户授权等,也有自身特有的难题。