Control method and code stream sending method of point-to-point (P2P) broadcast service, as well as device and system
A service control and P2P server technology, which is applied in the branch office to provide special service devices, transmission systems, data exchange details, etc., can solve the problem of unsolved access control of client nodes to live service content, and achieve the effect of effective control
Active Publication Date: 2012-08-22
CHINA UNITED NETWORK COMM GRP CO LTD
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However, in the P2P system, since each node can directly provide live service content, after the server disconnects the connection with the client node A, if the client node A does not disconnect the connection with other nodes, the In the case that other nodes have been accessing the live program, the client node A can still access the program
Although this access control method solves the access control of the live service to a certain extent, it does not solve the access control of the client node to the content of the live service
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[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0027] The present invention only controls the client in view of the existing technology, but does not fundamentally solve the defects such as the access control of the client to the content, and provides a solution, that is, the P2P system controls the transmission and access of the live content through the authorization code, and the P2P The sys...
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The invention discloses a control method and a code stream sending method of a point-to-point (P2P) broadcast service, as well as a device and a system. The control method comprises the following steps: a P2P server acquires segment interval information corresponding to a broadcast service code stream according to the code rate and size of slices of the broadcast service code stream correspondingto the current channel as well as preset control granularity, and respectively generates corresponding authorized codes for segments divided according to the segment interval information in the broadcast service code stream; and the P2P server sends the segment interval information of the current channel and the authorized code corresponding to the current segment to all currently authorized nodes, so as to enable the authorized nodes to apply the authorized codes to request to acquire the broadcast service code stream in the current segment. In the invention, the broadcast service code stream is divided into multiple segments, and a correspondingly unique authorized code is allocated for each segment, and the transmission and access of broadcast service contents are controlled by the waythat a system verifies the authorized codes, thus effectively controlling a client to access the broadcast service contents.
Description
technical field [0001] The present invention relates to P2P live broadcast service technology, in particular to a method, device and system for controlling P2P live broadcast service and code stream transmission thereof. Background technique [0002] With the rapid development of network technology, P2P (Pointer-to-Pointer) technology is widely used in live broadcast services. If a P2P live broadcast service is a paid program, the P2P system needs to perform access control on the live broadcast content. [0003] Access control methods for P2P live broadcast services in the prior art mainly include the following methods: one access control method is to authenticate user identities, and the P2P live broadcast services can be used after user identity authentication is passed. This method only performs authentication when the user accesses, and cannot implement effective control in the future. Another access control method is to monitor the status of the user. For example, the...
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IPC IPC(8): H04L12/18H04L29/08H04L29/06
Inventor 马少红刘红旗张伦泳王子奇刘辛炎
Owner CHINA UNITED NETWORK COMM GRP CO LTD