公开(公告)号：US08813115B2

公开(公告)日：2014-08-19

申请号：US13626689

申请日：2012-09-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Cong Tu ,  Yu Qin ,  Junjun Song ,  Hancheng Ding ,  Yan Zheng ,  Yinhe Wang

IPC: H04N7/16 ,  G06F3/00

CPC classification number: H04L63/101 ,  H04L12/185 ,  H04L63/0236 ,  H04L63/1441 ,  H04N21/25816 ,  H04N21/6405 ,  H04N21/64322

Abstract: The present invention provides a service access method, device, and system, and relates to the field of television services, to guarantee multicast security of a network device. The method includes: obtaining an authorized multicast address list according to program channel list information provided by a server; receiving an Internet Group Management Protocol IGMP packet request sent by a user terminal device, where the IGMP packet request carries a multicast address; verifying the multicast address in the IGMP packet request according to the multicast address list; and sending a media data stream corresponding to the verified multicast address to the user terminal device. The solutions of the present invention are suitable for realizing the security of multicast of network device.

Abstract translation: 本发明提供一种业务接入方法，设备和系统，涉及电视业务领域，以保证网络设备的组播安全。 该方法包括：根据由服务器提供的节目频道列表信息获得授权的多播地址列表; 接收由用户终端设备发送的IGMP分组请求所携带的组播地址; 根据组播地址列表验证IGMP报文请求中的组播地址; 以及向所述用户终端设备发送与所述经过验证的多播地址相对应的媒体数据流。 本发明的解决方案适用于实现网络设备组播的安全性。